Bolthole Index

Alpine County, California

Building permits, zoning and land rules in Alpine County, California

31Index Score / 100
#43 of 58 in California

Alpine County, California requires permits for new homes and most construction, and the county enforces zoning through Title 18.12 Building Safety reviews plans and performs inspections, while Environmental Health permits residential septic systems.34

At a glance

Building permit
Required for a new home and most construction1
Zoning
County zoning applies; standards vary by district25
Septic
Environmental Health approval is required before building permits6
RV living
Temporary private-site occupancy is limited to 16 days per calendar year without an occupancy permit extension7
Owner-builder
Allowed subject to residence, work and resale conditions8
Water well
A county permit is required for construction, deepening, repair or destruction9

Who to call

Building permits

Alpine County Building Safety Division

Building permits, plan checks, inspections and county building requirements

530-694-2140

50 Diamond Valley Rd, Markleeville, CA 96120

Online permits →

Planning & zoning

Alpine County Planning Division

Zoning, development review, maps, special-event permits and code enforcement

530-694-2140

50 Diamond Valley Rd, Markleeville, CA 96120

Online permits →

Septic permits

Alpine County Health Department, Environmental Health

Residential septic-system permitting and installation inspections

530.694.2235

Health and Human Services, 75 A Diamond Valley Rd, Markleeville, CA 96120

Roads & driveways

Alpine County Engineering Department

County-road encroachment permits, including driveway access

530-694-2140

50 Diamond Valley Rd, Markleeville, CA 96120

Online permits →

Contact details are copied from each office’s official page and were checked against it on September 27, 2026.

Do you need a building permit in Alpine County, California?

Yes. Alpine County requires a separate permit for new homes and generally requires permits for construction, alteration, repair, movement, improvement, removal, conversion or demolition.1 A one-story detached tool shed, storage shed, playhouse or similar accessory structure may be exempt when its floor area does not exceed 120 square feet, but exempt work still must comply with applicable codes and ordinances.1

The county uses plan check and jobsite inspections to enforce building standards.3 Alpine County also allows an owner-builder permit pathway, but the owner assumes responsibility for the work and worker safety; the county places conditions on who performs the work, principal-residence occupancy and later sales.8 Owner-builder status is not a waiver of the building permit itself.8

Who issues Alpine County building permits, and how do you apply?

The Alpine County Building Safety Division issues building permits, performs plan checks and conducts building inspections.3 The office is at 50 Diamond Valley Rd in Markleeville and can be reached at 530-694-2140.3 Applications must be submitted through the county's online portal with complete, scaled PDF plans signed by the responsible preparer or design professional.10

The applicant must route plans to applicable agencies, obtain their approvals and pay their fees before Building Safety will issue the permit.10 Alpine County publishes valuation-based permit fees and a plan-review deposit estimated at $1.00 per square foot up to $2,500.00, subject to the Building Official's determination; other inspection, utility, fire, school and location-specific charges may apply.11

Does Alpine County have zoning?

Alpine County has countywide zoning under Title 18, with allowed uses, setbacks, parking requirements and height limits varying by zoning district.2 For the creation of new residential lots, published minimum lot sizes range from 1,500 square feet to 5.0 acres, while Planned Development standards may be modified through site-specific review.5

A parcel's zoning matters more than a countywide shorthand. In the AG Agriculture Zone, the standard front, side and rear yards are each 30 feet unless changed for a conditional use.12 The Planning Division handles the General Plan, zoning ordinance, maps, development review and code enforcement.13 Alpine County's minimum dwelling-size rule and a specific local occupancy rule for tiny homes could not be confirmed; ask Planning and Building Safety about the parcel and proposed unit before purchase.

How do septic permits work in Alpine County?

Alpine County Health Department Environmental Health permits residential septic systems and inspects their installation.4 For construction needing a new or replacement onsite wastewater treatment system, submit a permit application and scaled plot plan to Environmental Health; that approval must come before Building Safety can issue its permit.6

Site feasibility deserves early attention: only 0.4% of mapped county soils are rated without severe limitations for a conventional septic drain field.14 That soil statistic does not decide an individual parcel, but it makes a parcel-specific evaluation especially important. Alternative or supplemental systems require annual inspection, and service inspections trigger written reporting requirements.15 Cesspools, surface effluent discharge and systems dedicated to substantial RV holding-tank waste are not authorized.16

Can you live in an RV or tiny home in Alpine County?

Alpine County permits temporary RV occupancy on a private site owned by the user, or used with the owner's written consent, for no more than 16 days in a calendar year unless the Planning Commission approves an occupancy-permit extension.7 Living or sleeping in an RV is also allowed in an approved public or private recreational trailer park or camping area equipped and operated for that use.7

Storage is different from occupancy: the county's storage exception covers one mobile home or RV only when it is never occupied, has no utility connections and avoids required yard and sight-distance areas.7 We could not confirm Alpine County's specific occupancy standard for a tiny home, so take the proposed design and parcel number to Planning and Building Safety before treating a small dwelling as legal housing. Manufactured homes have separate zoning, foundation, engineering and compatibility conditions.17

Building a home in Alpine County: what are the steps?

  1. Ask the Planning Division to confirm the parcel's zoning, allowed residential use, setbacks and any site-specific review.18
  2. Confirm legal access; a driveway or other work in a county road right-of-way requires an encroachment permit from Engineering.19
  3. Resolve water and wastewater early. A new or replacement septic system needs Environmental Health approval before a building permit, and well construction requires a county permit.69
  4. Submit the complete building application and scaled PDF plans through the online portal, then route them for required agency sign-offs.10
  5. Pay final permit fees after the drawings and supporting documents are approved, then schedule the required construction inspections with Building Safety.113

What should you check before buying land in Alpine County?

Start with buildability, not acreage alone. Only 8.2% of Alpine County land has a slope of 15% or less, and 0.4% of mapped soils avoid a severe conventional-drain-field limitation.2014 Ask Planning for the parcel's zoning and development standards, Environmental Health about septic and well feasibility, and Engineering about driveway access before making the purchase contingent-free.132122

Utility requirements depend on location. Projects in the Bear Valley, Kirkwood and Markleeville service areas need the applicable water or sewer provider's documented approval before building-permit issuance.23 Floodplain development requirements could not be confirmed, so ask Planning whether the parcel lies in a mapped hazard area and what current review applies. Budget beyond the land price: the typical home-insurance premium is $3,122 per year and the median property-tax bill is $3,190 per year.2425

Watch-outs

  • A small accessory building may be permit-exempt, but Alpine County still requires applicable setbacks and other code standards.1
  • Private-site RV occupancy is not open-ended; the county limit is 16 days per calendar year unless the Planning Commission approves an occupancy permit extension.7
  • Environmental Health must approve a required new or replacement septic system before Building Safety can issue the building permit.6
  • A driveway connection involving a county road right-of-way requires an Alpine County encroachment permit.19

Sources

  1. Building Safety Division | Alpine County, CA, quoted and re-checked
  2. General Plan Housing Element Update Draft, quoted and re-checked
  3. Alpine County Building Safety Division (alpinecountyca.gov)
  4. Liquid Waste, quoted and re-checked
  5. General Plan Housing Element Update Draft, quoted and re-checked
  6. Local Area Management Program (LAMP), quoted and re-checked
  7. Planning Commission Camping on Private Property Discussion, quoted and re-checked
  8. Building Safety Division | Alpine County, CA, quoted and re-checked
  9. Well Permits, quoted and re-checked
  10. Building Permit Information Guide, March 2022, quoted and re-checked
  11. Building Permit Information Guide, March 2022, quoted and re-checked
  12. Chapter 18.16 AG Agriculture Zone, quoted and re-checked
  13. Alpine County Planning Division (alpinecountyca.gov)
  14. Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
  15. Local Area Management Program (LAMP), quoted and re-checked
  16. Local Area Management Program (LAMP), quoted and re-checked
  17. Alpine County Housing Element, quoted and re-checked
  18. Alpine County 6th Cycle Housing Element, quoted and re-checked
  19. Building Permit Information Guide, March 2022, quoted and re-checked
  20. Share of land at 15% slope or less: Bolthole Index county data
  21. Alpine County Health Department, Environmental Health (alpinecountyca.gov)
  22. Alpine County Engineering Department (alpinecountyca.gov)
  23. Alpine County Building Permit Information Guide, quoted and re-checked
  24. Typical home insurance premium: Bolthole Index county data
  25. Median property tax bill: Bolthole Index county data

Written September 27, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

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County locator

Alpine County in California

31
County map
Alpine County highlighted among the California counties · colored by Index score

How Alpine County scores

Seclusion74100% ev.
Self-Sufficiency13100% ev.
Admin Boringness41100% ev.
Durability23100% ev.
Property Autonomy56100% ev.
Carry Cost64100% ev.

Evidence strength: 100%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$516kTypical home
0.7%Property tax
$4,950Land / acre
36"Annual rain
37.2% of yrsSevere drought
0.1 / yr (+0.1)Mid-century 100°F days
37.6 daysMid-century dry spell
3.3" (+5.7%)Mid-century 1-day rain
1.08×Wildfire change factor
100%Forward climate coverage
$3,122Home insurance / yr
5.3% / yrInsurance growth
3.89%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
664,104People within 2 hr
26,585Radius comparison (15 mi)
1.5People / sq mi
93%Federal land
8.2%Land at 15% slope or less
0.4%Septic soil without severe limits
1,905 acWorkable land screen
63.1%Wooded land
48.2 tonsBiomass / forest ac
44.4°FAvg temp

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Answers from the rulebook for Alpine County

What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.

Alpine County rules

  • Building permitRequired

    Construction, alteration, repair, movement, improvement, removal, conversion, or demolition of buildings and structures in Alpine County.

    • Exemptions from permitting are allowed for certain work and vary by jurisdiction.
    • The county lists one-story detached accessory structures used as tool and storage sheds, playhouses, and similar uses as exempt when the floor area does not exceed 120 square feet.
    • Other listed exemptions include fences not over 7 feet high and retaining walls not over 4 feet high unless supporting a surcharge or impounding Class I, II, or IIIA liquids.
    • All exempt work remains subject to applicable code and ordinance requirements.

    detached accessory structure exemption floor area: <= 120 square feet (One-story detached accessory structures used as tool and storage sheds, playhouses, and similar uses.)

    “In general, improvements, replacements, and repairs require permits.”
  • Owner-builder exemptionConditional

    Owner-builder building permits for property owners undertaking construction in Alpine County.

    • Only licensed contractors and property owners acting as Owner/Builder may be issued building permits.
    • Owner/Builders assume full responsibility for the work and workers' safety and are assumed to have the same knowledge of codes and construction methods as licensed contractors.
    • The work may only be done on the Owner/Builder's principal place of residence occupied for 12 months or more before completion of the work.
    • Owner/Builders cannot sell more than two properties for which they were issued a building permit during any three-year period.
    • Owner/Builders must do the work themselves or with immediate family, employees, or licensed subcontractors.

    prior principal-residence occupancy: >= 12 months (Must be occupied before completion of the work.) · properties sold under owner-builder permits: <= 2 properties (During any three-year period.)

    “Only licensed contractors and property owners (Owner/Builder) may be issued building permits.”
  • Certificate of occupancyLimited

    Temporary certificate of occupancy for a portion of work covered by an Alpine County building permit before the entire permitted work is complete.

    • The building official may issue a temporary certificate of occupancy before completion of the entire work covered by the permit.
    • The portion or portions occupied must be occupied safely.
    • The building official sets the validity period.
    • Temporary occupancy is limited to 90 days.
    • Any extension request must be made in writing and show that circumstances beyond the applicant's control prevented action from being taken.
    • A fee for additional extensions may be applicable.

    temporary occupancy validity period: <= 90 days

    “The building official is authorized to issue a temporary certificate of occupancy [...] The time period of temporary occupancy is limited to 90 days.”
  • County-wide zoningPresent (with conditions)

    Alpine County zoning regulations and development standards administered under Title 18 of the County Code.

    • Title 18 regulates allowable land uses and development standards through different zoning districts.
    • The cited source identifies zoning as one tool implementing the General Plan.
    “Alpine County’s zoning regulations are contained in Title 18 of County Code and are one of several tools to implement the General Plan. Title 18 specifies allowable land uses and development standards such as setbacks, parking requirements, and height limits for different zoning districts.”
  • Local zoningVaries (with conditions)

    Local zoning across Alpine County, aggregated across the County's zoning districts and site-specific development standards.

    • Title 18 contains different zoning districts with differing allowable land uses and development standards.
    • Residential zoning districts identified by the County include Agriculture, Agriculture Preserve, Residential Estates, Residential Neighborhood, Neighborhood Commercial, Commercial, Institutional, and Planned Development.
    • For new residential lots, minimum lot sizes range from 1,500 square feet to 5.0 acres in the residential zones.
    • The Planned Development zone allows minimum parcel size, lot width, and other standards to be modified through site-specific evaluation.

    minimum residential lot size range: 1,500 square feet to 5.0 acres

    “Table II-4 shows the allowed densities, lot sizes, and lot widths of the various zoning districts within the County that allow residential uses. For the creation of new lots, minimum lot sizes range from 1,500 square feet to 5.0 acres in the residential zones.”
  • Zoning districtsPublished

    County zoning districts and development standards for unincorporated Alpine County.

    • Title 18 contains the County zoning regulations; district-specific uses and standards may vary.
    • The County Housing Element identifies residential zoning districts including AG, AP, RE-1, RE-5, RN, and PD, and notes that NC, C, IND, and INS classifications may be applied subject to General Plan map conformance.
    • The Planned Development district permits site-specific modification of minimum parcel size, lot width, and other standards.

    minimum residential lot-size range: 1,500 square feet to 5.0 acres (for creation of new lots in residential zones; Planned Development standards may be modified through site-specific evaluation)

    “Alpine County’s zoning regulations are contained in Title 18 of County Code and are one of several tools to implement the General Plan. Title 18 specifies allowable land uses and development standards such as setbacks, parking requirements, and height limits for different zoning districts.”
  • SetbacksDistrict specific (with conditions)

    Required yards/setbacks for parcels in Alpine County's AG Agriculture Zone.

    • The requirements apply in the AG zone.
    • The code states that the minimum requirements apply except where changed for conditional uses.

    front yard: >= 30 feet (Except where changed for conditional uses.) · side yard: >= 30 feet (Except where changed for conditional uses.) · rear yard: >= 30 feet (Except where changed for conditional uses.)

    “C. Front yard: thirty feet; D. Side yard: thirty feet; E. Rear yard: thirty feet.”
  • Building heightSpecified

    Buildings in Alpine County zoning districts, subject to the exclusions and slope-based East Slope and West Slope standards in Title 18.

    • The height regulations apply to all buildings except those constructed in commercial, industrial, or institutional zones and except those established for commercial, industrial, or institutional uses pursuant to an approved planned development.
    • East Slope main-building limits vary by building-envelope slope: 34 feet at 10 percent or less, 35 feet at more than 10 percent through 20 percent, and 36 feet above 20 percent.
    • West Slope main-building limits vary by building-envelope slope: 36 feet at 10 percent or less, 38 feet at more than 10 percent through 20 percent, and 40 feet above 20 percent.
    • Accessory buildings on the East or West Slope may not exceed 25 feet.
    • A variance may exceed the limits only if granted under Chapter 18.80 and required front, rear, and side setbacks are increased one foot for each one foot of additional height.
    • Public or private utility water tanks, radio aerials, television antennae, and similar structures may exceed the height limit by up to 25 feet only with a conditional use permit; public utility transmission towers and pole lines are not subject to the height limitations.
    • Chimneys and vent pipes may exceed applicable height limits by not more than three feet, subject to the stated plan-area and dimension limits.

    East Slope main building height, building-envelope slope <=10%: <= 34 feet · East Slope main building height, building-envelope slope >10% and <=20%: <= 35 feet · East Slope main building height, building-envelope slope >20%: <= 36 feet · West Slope main building height, building-envelope slope <=10%: <= 36 feet · West Slope main building height, building-envelope slope >10% and <=20%: <= 38 feet · West Slope main building height, building-envelope slope >20%: <= 40 feet · accessory building height: <= 25 feet

    “The following height regulations shall apply to all buildings except those constructed in commercial, industrial or institutional zones”
  • Living in an RVTemporary only (with conditions)

    Living or sleeping in a recreational vehicle on private property or in a camping area in Alpine County.

    • Occupancy is allowed within an approved and authorized public or private recreational trailer park or camping area equipped and operated for that use.
    • Temporary use and occupancy on a private site owned by the user, or with written consent of the site owner, may not exceed 16 days in any calendar year unless extended by Planning Commission approval of an occupancy permit.
    • Applicable federal and state law, local codes, health regulations, the County General Plan, and Title 13 also apply.
    • A storage-only exception permits one mobile home or recreational vehicle on the owner's property only if it is never occupied for living or sleeping, is not connected to water, power, sewerage, or other utilities, and does not occupy a required front or street-side yard or sight-distance area.

    private-site temporary occupancy limit: <= 16 days per calendar year (May be extended by Planning Commission approval of an occupancy permit.)

    “Temporary use and occupancy for such purposes is permitted on a private site owned by the use occupant, or with the written consent of the site owner, for a period not to exceed sixteen days in any calendar year. Such period may be extended by planning commission approval of an occupancy permit.”
  • Camping on your landLimited

    Temporary camping on a private site in Alpine County.

    • The site must be owned by the user or used with the written consent of the site owner.
    • Camping may not exceed 16 days in any calendar year without Planning Commission approval of an occupancy permit.
    • An extended permit may impose additional conditions, including advance notification, sanitary-waste dump receipts, Environmental Health approval, a one-RV limit, and no fireworks or pyrotechnics.

    temporary private-site camping limit: <= 16 days per calendar year (May be extended by Planning Commission approval of an occupancy permit.)

    “Applicant shall provide Community Development notification of camping date exceeding 16-day limit in advance. Applicant shall provide Community Development and Environmental Health sanitary waste dump receipts. Only one recreational vehicle (RV) is allowed, pursuant to regulations. The permittee shall obtain all necessary Alpine County Environmental Health approval. No fireworks or pyrotechnics.”
  • Manufactured homesLimited

    Occupancy and installation of a single manufactured home as a single-family residence in Alpine County zoning districts.

    • A single manufactured home may be treated as a single-family residence only in the AG, AP, RE, and RN zones with approval of a certificate of compatibility under the cited County Zoning Code summary.
    • The unit may only be occupied as a single-family residence.
    • Installation must comply with all provisions applicable to the zone.
    • The unit must be installed on a foundation and meet applicable federal or state construction standards and the County Building Ordinance.
    • The owner must provide licensed civil-engineer certification addressing applicable snow, wind, and seismic loads.
    • Exterior covering, roof-overhang, and roofing-material requirements apply.
    • Multiple mobile homes and mobile-home parks require an approved conditional use permit in the RN zone.
    • The Housing Element states that certificate-of-compatibility requirements exceeding state law are not enforced to the extent inconsistent with state law.

    permitted zoning districts for a single manufactured home: AG, AP, RE, RN (With approval of a certificate of compatibility, subject to cited conditions.) · minimum roof eave and gable overhang: >= 1 foot

    “According to the Zoning Code, a single mobile home or manufactured home may be treated as a single-family residence and is allowed in the AG, AP, RE, and RN zones with approval of a certificate of compatibility.”
  • Accessory dwellingsAllowed (with conditions)

    Accessory dwelling units and junior accessory dwelling units in the listed Alpine County zoning districts.

    • Alpine County states that Chapter 18.69 does not comply with new state-law requirements and that the County must follow state law until a new ordinance is adopted.
    • Building permit applications must be submitted to the Building Safety Division.
    • Well, water-system, and onsite-wastewater capacity verification may be required.
    • For a complete application where an existing primary dwelling is already present, the County has up to 60 days to approve; the application is deemed approved if not acted upon within 60 days. This deemed-approval rule does not apply to a new single-family dwelling submitted with an ADU.
    • New detached ADUs require at least 4-foot rear and side setbacks and may not exceed 1,200 square feet.
    • New attached ADUs are limited to 50 percent of the principal dwelling's floor area or 800 square feet, whichever is more.
    • Conversions of existing accessory structures or portions of an existing primary dwelling have no maximum size requirement.
    • ADUs may not be used as short-term rentals and must be rented for more than 30 days.
    • Parking is one space per unit or one space per bedroom, whichever is less, except the parking standards do not apply within the Markleeville Historic District.
    • ADUs are permitted in AG, AP, LP, TP, RE, RN, NC, C, INS, and qualifying PD areas.

    application deemed-approval period: 60 days (Does not apply to a new single-family dwelling with an ADU.) · new detached ADU maximum floor area: <= 1200 square feet · new attached ADU maximum floor area: 50% of principal dwelling floor area or 800 square feet, whichever is more · new ADU rear and side setback: >= 4 feet (No setback is required for an existing living area or existing accessory structure converted to an ADU.)

    “Accessory dwelling units shall be permitted in the following zoning districts: Agricultural (AG), Agricultural Preserve (AP), Land Preserve (LP), Timber Preserve (TP), Residential Estates (RE), Residential Neighborhood (RN), Neighborhood Commercial (NC), commercial (C), Institutional (INS), and Planned Development (PD) (for PD, areas that allow single family development, multi-family development) .”
  • Who permits septicCounty

    Residential septic-system permitting and inspection in Alpine County.

    • Septic-system design must comply with the Uniform Plumbing Code and the California Regional Water Quality Control Board, Lahontan Basin Plan.
    “Alpine County Health Department is responsible for permitting and inspecting the installation of residential septic systems.”
  • Septic permitRequired

    Construction requiring installation of a new or replacement onsite wastewater treatment system in Alpine County.

    • A completed permit application including a scaled plot plan must be submitted to Environmental Health.
    • The Environmental Health Department must approve the permit application before the County Building Department may issue building permits.
    • New or replacement onsite wastewater systems are subject to Alpine County LAMP siting and design requirements.
    • A waiver of sewer connection may be considered when the stated distance, sewer-district, cost, and OWTS requirements are met.
    “A completed permit application, including a scaled plot-plan, must be submitted to EHD for any construction that requires the installation of a new, or the replacement of an existing OWTS. Only after the EHD has approved a permit application can the County’s Building Department issue any permits.”
  • Septic inspectionLimited

    Onsite wastewater treatment systems in Alpine County, including systems serviced, repaired, or operated as alternative or supplemental systems.

    • Whenever an OWTS is serviced, a Qualified Inspector must examine the tank and submit a written report within 30 days.
    • If an inspection finds failure or reasonable potential to fail, the report must be submitted within 24 hours.
    • Alternative or supplemental OWTS require an annual inspection by a Qualified Inspector or trained manufacturer representative, with the report submitted to Environmental Health within 30 days.
    • A follow-up inspection is required after repair of a failing system.

    annual inspection interval for alternative or supplemental OWTS: 1 year · inspection report deadline: 30 days (24 hours when failure or reasonable potential to fail is found)

    “Whenever an OWTS is serviced (e.g. septic tank pumping, leach line endoscopy), a Qualified Inspector shall examine the tank to look for signs of deterioration, corrosion or evidence that the dispersal field has failed or is in the process of failing. [...] Operating permits will be required for Alternative or supplemental OWTS to ensure they are functioning properly and as designed. Permit conditions will require an annual inspection of the OWTS by a Qualified Inspector or a trained manufacturer’s representative.”
  • Off-grid sanitationLimited

    Onsite wastewater sanitation used instead of public sewer in Alpine County.

    • New or replacement OWTS require Environmental Health permitting and approval.
    • Cesspools of any kind or size are not allowed or authorized.
    • OWTS discharging effluent on or above the ground surface are not allowed or authorized.
    • OWTS dedicated to receiving significant amounts of waste from RV holding tanks are not allowed or authorized.
    • New or replacement OWTS are not allowed where public sewer is available, subject to the stated waiver conditions.
    “The following conditions are not allowed or authorized in this LAMP: 1. Cesspools of any kind or size. [...] 4. OWTS that discharge effluent on or above the ground surface such as sprinklers, exposed drip lines, free-surface wetlands, or a pond. [...] 7. OWTS dedicated to receiving significant amounts of wastes dumped from RV holding tanks, or RV holding tanks that accept waste combined with preservatives (i.e., formaldehyde). [...] 9. Installation of new or replacement OWTS where a public sewer is available.”
  • Well permitRequired

    Construction, destruction, deepening, or repair of public and private water wells in Alpine County.

    • Well drillers must follow California Water Well Standards Bulletin 74-81 and supplements.
    • A well completion report must be submitted within 60 days of completion.

    well completion report deadline: 60 days (after well completion)

    “Permits are required for the construction, destruction, deepening, and repair of a water well. Well drillers are required to follow the California Water Well Standards, Bulletin 74-81 and supplements, developed by the California Department of Water Resources. Well completion reports are required to be submitted within 60 days of well completion.”
  • Mandatory utility hookupConditional

    Water and sewer utility connections or documented utility approval for building projects in specified Alpine County service areas.

    • Bear Valley projects require will-serve letters from Bear Valley Water District and Lake Alpine Water Company before building-permit issuance.
    • Kirkwood projects require documented approval from Kirkwood Meadows Public Utility District before building-permit issuance.
    • Markleeville service-area projects require will-serve letters from Markleeville Public Utility District and Markleeville Water Company before building-permit issuance.
    • The Building Official will not issue a building permit until the Health Officer has signed a statement that water and sewage systems are installed and approved.
    “a. Bear Valley: Contact Bear Valley Water District at 209-753-2112 and Lake Alpine Water Company at 209-753-2409 for application process and fees. A copy of the will serve letters must be obtained prior to the issuance of a building permit. b. Kirkwood: Contact Kirkwood Meadows Public Utility District at 209-258-4444 for application process and fees. Documented approval must be obtained prior to the issuance of a building permit. c. Markleeville: For projects located in the Markleeville service area contact Markleeville Public Utility District at 530-694-2924 and Markleeville Water Company at 530-694-2924 for application process and fees. A copy of the will serve letters must be obtained prior to the issuance of a building permit.”
  • Driveway accessRequired

    Driveway construction and related work within an Alpine County road right-of-way.

    • An encroachment permit is required for construction activities within the County road right-of-way.
    • The guide identifies driveway construction as a typical activity requiring the encroachment permit.
    • The requirement applies to the County road right-of-way, not necessarily to driveway work wholly outside that right-of-way.
    • The County development standards apply to driveways and supplement, but do not replace, standards in County specific plans such as the Kirkwood Specific Plan.
    “An Encroachment Permit is required for all construction activities that take place within the County road right-of-way. These activities typically include fire access/turnaround & driveway construction, utility trench excavation, and landscaping projects.”
  • Permit feesPublished (with conditions)

    County building permit and plan-review fees for construction projects in Alpine County.

    • The plan review deposit is determined by staff at application submission.
    • The estimated plan review deposit is $1.00 per square foot up to $2,500.00, subject to Building Official determination.
    • Building permit fees are based on total valuation and the published fee table; additional fees may apply for inspections, re-inspections, plan revisions, state surcharges, utilities, fire impacts, school facilities, and location-specific impact fees.
    • Final fees are required at permit issuance after construction drawings and documentation are approved.
    • Electronic payment of an existing building permit has a separate 2.75% processing fee.

    plan review deposit: per 1 USD per square foot (up to $2,500.00; subject to Building Official determination) · building permit fee for valuation $1.00-$2,500.00: 226 USD · CBSC surcharge: per 4 USD per $100,000 valuation (not less than $1) · electronic payment processing fee: 2.75 percent

    “The estimated plan review deposit for a project is $1.00 per square foot up to $2500.00 *Subject to Building Official determination.”
  • Permit processPublished (with conditions)

    County building permit applications in Alpine County.

    • Applications must be submitted through the online portal.
    • The applicant must provide all information pertinent to the proposed construction project.
    • The applicant is responsible for routing plans to applicable agencies, obtaining approvals and sign-offs, and paying fees.
    • Plans must be complete, dimensioned, drawn to scale, submitted as PDF, and signed by the responsible preparer or licensed design professional.
    • Plan review is subject to expiration 180 days after submission unless extended in writing.
    • Building permits will not be issued until required agency approvals and fees are obtained or paid.

    plan review expiration: 180 days (extension may be granted upon written request)

    “Applications must be submitted through the online portal on the Community Development web page. All information pertinent to a proposed construction project should be provided to the Building Division when applying for a permit.”

California rules that apply here

  • Building code adoptedAdopted (with conditions)

    California Building Standards Code, California Code of Regulations, Title 24, including the 2025 California Building Code and related parts, for buildings and structures subject to the state code.

    • The 2025 California Building Standards Code applies to buildings and structures with a permit application date on or after January 1, 2026.
    • The applicable local building department or enforcing agency determines how the permit application date is established in a specific jurisdiction.
    • The code includes multiple parts, including the California Building Code, California Residential Code, Existing Building Code, Electrical Code, Mechanical Code, Plumbing Code, Energy Code, Wildland-Urban Interface Code, Fire Code, and Green Building Standards Code.

    effective date: 2026-01-01 · permit application date: >= 2026-01-01

    “The 2025 California Building Standards Code (CBSC), California Code of Regulations (CCR), title 24, will become effective on January 1, 2026, as a result of the 2024 Triennial Code Adoption Cycle. [...] The 2025 CBSC applies to all buildings and structures with a permit application date on or after January 1, 2026.”
    One more reviewed finding on this topic
    • Adopted — California statewide building standards, including residential construction subject to Title 24 of the California Code of Regulations.
      “Except as otherwise specifically provided by law, the building standards adopted and submitted by the department for approval [...] shall be adopted by reference”
  • InspectionsRequired

    Construction projects within HCAI jurisdiction involving California health facilities.

    • HCAI field personnel make periodic site visits.
    • The Inspector of Record is responsible for continuous inspection of the work.
    • The inspections address seismic, fire, life-safety, and other building-code requirements.
    “The approved IOR with the required personal knowledge performs only those duties associated with the required continuous inspections”
    One more reviewed finding on this topic
    • Required — California owner-builder projects addressed by the Contractors State License Board guidance.
      “Your project must pass codes and building inspections.”
  • Minimum dwelling sizeSpecified

    Efficiency units permitted by a California city, county, or city and county.

    • The local jurisdiction must adopt an ordinance permitting the efficiency unit.
    • Occupancy is limited to no more than two persons.
    • The unit may have partial kitchen or bathroom facilities as specified by the local ordinance.
    • All other applicable minimum standards under Health and Safety Code Part 1.5 continue to apply.

    minimum floor area: >= 150 square feet · maximum occupancy: <= 2 persons

    “Notwithstanding Sections 17922, 17958, and 17958.5, a city, county, or city and county may, by ordinance, permit efficiency units for occupancy by no more than two persons which have a minimum floor area of 150 square feet and which may also have partial kitchen or bathroom facilities, as specified by the ordinance.”
  • Tiny homesAllowed (with conditions)

    Occupancy of a structure marketed or described as a tiny home in California.

    • The tiny home must comply with applicable standards and be approved as a HUD-Code manufactured home, California Residential or Building Code home, factory-built housing, recreational vehicle, park trailer, or camping cabin.
    • The location must be approved for the applicable classification.
    • A tiny home that does not fit one of those classifications and does not comply with the California Building Standards Code is a noncomplying structure whose occupancy is illegal.
    • Approving and enforcing agencies vary depending on whether the unit is inside or outside a mobilehome or special occupancy park.

    park trailer or RV gross area limit: <= 400 square feet (Applicable classification-specific exclusions and standards apply.)

    “In order to be occupied, a tiny home must comply with the standards of, and be approved as one of the following types of structures: a HUD-Code manufactured home (MH), California Residential Code or California Building Code home, factory-built housing (FBH), recreational vehicle (RV), park trailer (PT) or camping cabin (CC).”
  • Subdividing landRegulated (with conditions)

    Division of land in California that falls within the statutory definition of subdivision, including division for sale, lease, or financing.

    • A parcel map is generally required unless a final or parcel map is otherwise required or the preparation is waived by local ordinance.
    • Local ordinances may require a tentative map and may establish additional area, improvement, design, drainage, road, sanitary-disposal, water-supply, environmental-protection, and related requirements.
    • Certain railroad-right-of-way and governmental or public-utility conveyances are excepted from the parcel-map requirement described in Government Code section 66428(a).
    “A parcel map shall be required for subdivisions as to which a final or parcel map is not otherwise required by this chapter, unless the preparation of the parcel map is waived by local ordinance as provided in this section.”
  • Campground & park staysLimited

    Occupancy and use of manufactured homes and mobilehomes in California mobilehome parks and other locations subject to HCD jurisdiction.

    • HCD administers titling and registration for manufactured homes and mobilehomes.
    • HCD-inspected mobilehome parks are subject to health and safety enforcement where local government has not assumed enforcement.
    • Manufactured/mobilehome park regulations address construction, use, maintenance, and occupancy.
    • Separate local land-use, building, fire, health, and utility requirements may apply.
    “MHs may be occupied outside or inside of mobilehome parks and installation and approval for occupancy is governed by the Mobilehome Parks Act (MPA), HSC Sections 18200, et seq., and Title 25, CCR Sections 1000, et seq.”
    2 more reviewed findings on this topic
    • Limited — RV and trailer camping at Silver Strand State Beach Campground in the San Diego Coast District.
      “Camping Stay Limits: Applies to persons, equipment, or vehicles and any combination thereof [...] Maximum stay of 30 days per calendar year [...] Maximum 7 consecutive days during peak season (May 15 – September 15) [...] Maximum 14 consecutive days during non-peak season”
    • Limited — Occupancy and use of recreational vehicles in California special occupancy parks and designated RV sections of mobilehome parks.
      “Unless otherwise allowed by a local ordinance, RVs generally may be occupied only in mobilehome parks or special occupancy parks governed by the Mobilehome Parks Act”
  • county zoning authorityGeneral

    California county legislative bodies' authority to adopt zoning ordinances regulating buildings, structures, land uses, lots, yards, open space, lot coverage, intensity of use, parking, loading, and setbacks within county jurisdiction, including unincorporated areas.

    • The authority is exercised pursuant to Government Code Chapter 4, Zoning Regulations.
    • The statute separately authorizes city legislative bodies; incorporated municipalities may exercise their own zoning authority.
    • Government Code Section 65850 also lists authority to regulate signs and billboards, building and structure location, height, bulk, number of stories, and size, lot and open-space size and use, lot coverage, intensity of land use, offstreet parking and loading, and building setback lines.
    • The cited section states it was amended by Stats. 2017, Ch. 376, Sec. 1, effective January 1, 2018.
    “The legislative body of any county or city may, pursuant to this chapter, adopt ordinances that do any of the following:”
  • county building authorityGeneral

    California counties administering and enforcing state building standards through county building departments, including residential construction in unincorporated areas.

    • Each county must maintain building standards and state building regulations in the office of the building official responsible for administration and enforcement of state building standards.
    • The statewide Title 24 standards apply subject to statutory exceptions and any authorized local amendments or local requirements.
    • The cited HCD bulletin concerns the 2019 California Building Standards Code and its July 1, 2021 supplement; later code editions may supersede those particular edition dates.
    “These codes shall be maintained in the office of the building official responsible for the administration and enforcement of state building standards”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission — ask the county directly.

  • Lot coverage — Lot coverage in unincorporated Alpine County.
  • Agricultural exemption — Agricultural exemptions from applicable Alpine County land-use, building, or permit requirements.
  • Building in a floodplain — Development in flood hazard areas in Alpine County.

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Living off-grid in Alpine County, California

Is Alpine County a good place to live off-grid or homestead?

Alpine County scores 31/100 on the Bolthole Index, a weak county profile. Its strengths: about 26,585 people within 15 miles and manageable long-term carry cost. Watch-outs: limited workable ground: 8.2% at 15% slope or less and 0.4% without a severe conventional-septic limitation and elevated current hazard exposure.

Do you need a building permit in Alpine County, California?

Alpine County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Alpine County Health Department, Environmental Health Division. Owner-builders may act as their own contractor to build their home. These answers are quoted from official sources and independently re-checked. Rules change and cities within the county differ — always confirm with the county before you buy or build.

Can you live in an RV or tiny home on your land in Alpine County?

Living in an RV on your own land in Alpine County is allowed on a temporary basis only: Living or sleeping in a recreational vehicle on private property or in a camping area in Alpine County. Occupancy is allowed within an approved and authorized public or private recreational trailer park or camping area equipped and operated for that use. Temporary use and occupancy on a private site owned by the user, or with written consent of the site owner, may not exceed 16 days in any calendar year unless extended by Planning Commission approval of an occupancy permit. A tiny home is allowed. Confirm with the county before relying on it.

How much does land cost in Alpine County, California?

Land in Alpine County runs about $4,950 per acre, based on the latest county data.

What is the water situation in Alpine County?

Alpine County gets about 36" of rain a year, with severe drought in roughly 37.2% of years.

How remote is Alpine County?

A typical private-land location has about 26,585 people within 15 miles and 3,015,968 within 100 miles. These radius catchments are the published fallback where road routing is unavailable.

Off-grid gear

Going off-grid in Alpine County means bringing your own water and power. The kit we’d start with:

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How Alpine compares in California

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