Bolthole Index

Phelps County, Missouri

Building permits, zoning and land rules in Phelps County, Missouri

79Index Score / 100
#10 of 115 in Missouri

Unincorporated Phelps County, Missouri does not require a county building permit for a home, and the County Commission has confirmed that county planning and zoning are not in effect12. Phelps County does not issue certificates of occupancy, but septic construction permits, floodplain permits and subdivision review can still apply3456.

At a glance

Building permit
Not required by the county for a home in unincorporated Phelps County1
County zoning
No county planning and zoning in unincorporated Phelps County; city rules are separate2
Septic permits
Missouri DHSS handles qualifying onsite systems after the county's permitting role ended7
Certificate of occupancy
Phelps County does not issue one3
RV or tiny-home living
Not confirmed; ask the County Commission before relying on long-term occupancy2
Owner-builder exemption
Not confirmed; ask the County Commission about the specific project8
Floodplain development
A floodplain development permit is required for development in a floodplain5
Septic soils
Only 4.7% of soils lack severe limits for a conventional drain field9

Who to call

Septic permits

Missouri DHSS Onsite Wastewater Treatment Program

Construction permits for qualifying onsite wastewater systems in Phelps County

573-751-6095

[email protected]

PO Box 570, Jefferson City, MO 65102-0570

Online permits →

Health department

Phelps/Maries County Health Department

Complaints concerning wastewater systems and other unsafe or unsanitary conditions

(573) 458-6010

200 N Main Street, Rolla, MO 65401

Also useful

Phelps County Commission

County-level questions where no building or planning department is listed, plus subdivision and county floodplain matters

(573)-458-6121

200 N. Main St., Suite 105, Rolla, MO 65401

Roads & driveways

Phelps County Road Department

County road specifications, subdivision road design and utility access to county right-of-way

(573)-426-3864

[email protected]

Contact details are copied from each office’s official page and were checked against it on September 28, 2026.

Do you need a building permit in Phelps County, Missouri?

An ordinary home in unincorporated Phelps County does not require a county building permit; Missouri's county-code dataset records no adopted county residential, commercial or energy code, and the county lists no building or planning department1. Phelps County also says it does not issue certificates of occupancy or use them as a basis for assessments3. That answer is limited to county-controlled land: an incorporated city can administer its own rules, and Rolla has zoning, subdivision and rezoning processes10. Missouri law also limits county building-code authority and requires voter approval in counties that had not adopted a code before the statutory cutoff11. An owner-builder exemption is not independently confirmed, so ask the Phelps County Commission about an unusual project rather than assuming a special exemption applies8.

Who handles Phelps County building permits and land questions?

Phelps County does not list a building or planning department for unincorporated construction1. Direct county-level questions about a parcel, an unusual structure or the absence of a building permit to the Phelps County Commission at (573)-458-6121, 200 N. Main St., Suite 105, Rolla, MO 6540112. The Phelps County Road Department handles county road specifications, subdivision-road design and utility access to county right-of-way; reach it at (573)-426-3864 or [email protected]13. A driveway built or modified within Missouri Department of Transportation right-of-way requires a MoDOT permit, while that rule does not establish a permit requirement away from MoDOT right-of-way14. For land inside an incorporated municipality, contact that city because the county's no-zoning finding does not displace municipal rules2.

Does Phelps County have zoning?

Unincorporated Phelps County has no county planning and zoning program; the County Commission's record says the commissioners signed a letter of no planning and zoning2. Incorporated places are different: Rolla administers zoning and requires its Planning and Zoning Commission and City Council to approve rezoning and subdivision requests10. St. James also has municipal zoning districts and a city rezoning process15. For unincorporated land, minimum home size, minimum lot size, setbacks, lot coverage and building height remain unconfirmed, so ask the County Commission if a purchase or site plan depends on one of those details2. Subdivision controls still matter without general zoning: final plats need county review and approval, and roads proposed for county maintenance require engineered drainage planning6.

How do septic permits work in Phelps County?

Missouri DHSS handles qualifying onsite wastewater treatment systems in Phelps County after the local health department stopped issuing construction permits on October 1, 20247. A construction permit is generally required before installing or repairing most systems, although certain residential properties may qualify for an exemption that DHSS should confirm before work begins4. Contact the Missouri DHSS Onsite Wastewater Treatment Program at 573-751-6095 or [email protected]16. Only 4.7% of Phelps County soils lack severe limits for a conventional drain field, so arrange the site and soil work early rather than treating septic as a routine final step9. DNR, not DHSS, regulates non-single-family lagoons, surface-water discharges, industrial wastewater and larger-flow systems, and DNR approval applies when subdivisions, mobile-home parks or campgrounds plan to use onsite systems17. The Phelps/Maries County Health Department still accepts wastewater-system complaints at (573) 458-60101819.

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

We could not confirm a Phelps County rule that directly permits or prohibits living long-term in an RV, occupying a tiny home, placing a manufactured home or camping temporarily on private land. The absence of county planning and zoning in unincorporated Phelps County does not by itself answer sanitation, floodplain, road-access or occupancy questions2. Ask the Phelps County Commission about the intended use and exact parcel before buying or moving a unit onto the land12. Any occupied dwelling still needs a lawful wastewater solution: DHSS generally requires approval before installation or repair of most qualifying onsite systems, and untreated wastewater may not be discharged onto the ground or into a road ditch20. Inside Rolla or St. James, municipal zoning applies instead of the county's rural no-zoning status1015.

Building a home in Phelps County: the steps, in order

  1. Confirm whether the parcel lies in unincorporated Phelps County or inside a municipality, because Rolla and St. James have municipal zoning processes2115.
  1. Ask the County Commission to confirm the parcel's county status and any unresolved setback, occupancy or floodplain questions12.
  1. Check the flood map before siting improvements, because development in a floodplain requires a permit and floodway work requires an engineering no-rise certificate5.
  1. Arrange septic evaluation early and obtain DHSS approval before work begins unless DHSS confirms an exemption7.
  1. Contact the Road Department about county-road access or subdivision-road work, and obtain a MoDOT permit for a driveway within state right-of-way1314.
  1. If dividing the tract, submit the final plat for county approval and follow the county's engineered drainage requirements for roads intended for county maintenance6.

What should you check before buying land in Phelps County?

Start with jurisdiction, legal access, floodplain status and septic feasibility rather than the absence of county zoning257. Conventional septic is a serious due-diligence item because only 4.7% of county soils lack severe drain-field limitations9. Phelps County is 70.4% wooded, while 71.5% of its land has a slope of 15% or less, so field-check clearing, driveway grade and usable building area on the actual parcel2223. The ordinary private-well permit question remains unconfirmed; the available rule establishes advance approval for public-system wells, not ordinary private wells, so ask the relevant Missouri DNR well program before drilling24. Development in a floodplain needs a permit even where no ordinary county building permit applies5. The effective property-tax rate is about 0.6%, and the median annual property-tax bill is about $1,2482526.

Watch-outs

  • Older instructions naming the Phelps/Maries County Health Department as the septic permitting office are outdated; qualifying new onsite-system work now goes through Missouri DHSS7.
  • No county zoning does not mean no parcel review: floodplain development, onsite wastewater, state-highway access and subdivision requirements can still apply57146.
  • RV living, tiny-home occupancy, manufactured-home placement, minimum dwelling size and setbacks remain unconfirmed for unincorporated Phelps County; ask the County Commission before relying on any of them12.

Sources

  1. State of Missouri Data Portal - County Building Codes for Missouri (2026 county census)
  2. Phelps County Commission Record — October 2017, quoted and re-checked
  3. Frequently Asked Questions, quoted and re-checked
  4. Phelps/Maries County Health Department OWTS permitting transition press release, quoted and re-checked
  5. Floodplain Forms, quoted and re-checked
  6. Phelps County Commission Record, June 2024, quoted and re-checked
  7. Phelps/Maries County Health Department OWTS transition notice, quoted and re-checked
  8. (2026 county census)
  9. Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
  10. Planning & Zoning - City of Rolla, quoted and re-checked
  11. RSMo § 64.170 — County commissions control construction and issue building permits (Missouri statewide rule), quoted and re-checked
  12. Phelps County Commission (phelpscounty.org)
  13. Phelps County Road Department (phelpscounty.org)
  14. Permits | Missouri Department of Transportation (Missouri statewide rule), quoted and re-checked
  15. City of St. James Change of Zoning Application, quoted and re-checked
  16. Missouri DHSS Onsite Wastewater Treatment Program (health.mo.gov)
  17. Phelps/Maries County Health Department OWTS transition notice, quoted and re-checked
  18. Phelps/Maries County Health Department (phelpscountyhealth.com)
  19. Phelps/Maries County Health Department OWTS permitting transition press release, quoted and re-checked
  20. Frequently Asked Questions (Missouri statewide rule), quoted and re-checked
  21. Phelps County Commission Record — October 2017, quoted and re-checked
  22. Wooded share of land: Bolthole Index county data
  23. Share of land at 15% slope or less: Bolthole Index county data
  24. Who Regulates Water Wells in Missouri? - PUB4001, quoted and re-checked
  25. Effective property tax rate: Bolthole Index county data
  26. Median property tax bill: Bolthole Index county data

Written September 28, 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

Phelps County in Missouri

79
County map
Phelps County highlighted among the Missouri counties · colored by Index score

How Phelps County scores

Seclusion69100% ev.
Self-Sufficiency58100% ev.
Admin Boringness8990% ev.
Durability63100% ev.
Property Autonomy47100% ev.
Carry Cost81100% ev.

Evidence strength: 98%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$237kTypical home
0.6%Property tax
$3,912Land / acre
44.2"Annual rain
4.8% of yrsSevere drought
12.7 / yr (+10.6)Mid-century 100°F days
16.7 daysMid-century dry spell
1.93" (+5.6%)Mid-century 1-day rain
1.81×Wildfire change factor
100%Forward climate coverage
$1,869Home insurance / yr
2.2% / yrInsurance growth
1.08%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
11,862People within 30 min
1,856,159People within 2 hr
46,931Radius comparison (15 mi)
67.4People / sq mi
15.1%Federal land
71.5%Land at 15% slope or less
4.7%Septic soil without severe limits
20,096 acWorkable land screen
70.4%Wooded land
41 tonsBiomass / forest ac
55.8°FAvg temp

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Answers from the rulebook for Phelps County

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

Phelps County rules

  • Certificate of occupancyNot required

    Certificates of occupancy issued by Phelps County.

    • The county statement does not address certificates issued by incorporated municipalities or other authorities.
    “Phelps County does not issue these or base assessments on zoning codes.”
    One more reviewed finding on this topic
  • County-wide zoningAbsent

    County-level planning and zoning authority in Phelps County; the source does not address zoning ordinances administered by incorporated municipalities.

    • The source is a May 20, 2021 county commission record and does not state an effective date.
    • This conclusion concerns county-level planning and zoning and should not be extended to incorporated municipalities.
    “The Commissioners signed a letter of no planning and zoning.”
    One more reviewed finding on this topic
    • Absent — County zoning and planning regulation in the unincorporated parts of Phelps County, Missouri.
      “Commission reviewed the updated letter stating Phelps County does not have any planning and zoning ordinances.”
  • Local zoningVaries (with conditions)

    Aggregate local zoning across Phelps County: the county has no planning and zoning in its unincorporated parts, while incorporated Rolla administers subdivision and rezoning approvals through its Planning & Zoning Commission and City Council.

    • The county-level no-zoning statement is limited to unincorporated parts of Phelps County.
    • Rolla-specific requirements apply within the City of Rolla and are administered by the city.
    • Other incorporated municipalities in Phelps County were not independently cataloged in this claim.
    “All requests for subdivision or rezoning require approval of both the Planning & Zoning Commission and the City Council.”
    One more reviewed finding on this topic
  • Septic inspectionLimited

    Complaint-based investigation of onsite sewage systems in Phelps County by the Phelps/Maries County Health Department.

    • The identified role is limited to communicable-disease investigations or complaints from an aggrieved party or adjacent landowner.
    • If a nuisance exists, the property owner must comply with state standards when repairing or replacing the onsite sewage disposal system.
    “will remain the agent in charge of investigating sewage complaints”
  • Subdividing landRegulated (with conditions)

    Subdivision plats and subdivision roads in unincorporated Phelps County, particularly development seeking County review, approval, recording, or acceptance of roads into the County maintenance program.

    • Final plats require County review and approval before recording.
    • The Final Plat should be submitted twenty (20) days before the County Commissioners meeting for County staff review.
    • The Final Plat must be in substantial conformance with the approved Preliminary Plat.
    • For subdivision roads proposed for County maintenance, a registered professional engineer must design the storm-water drainage plan.
    • The drainage system must accommodate the 10-year design storm and pass the 100-year design storm without damage; if subdivision runoff adversely impacts County drainage, retention or County drainage-system replacement may be required at the developers' expense.
    • Storm-water facilities within subdivision lots and common areas are maintained by the property owner or subdivision trustees and must be separate and independent of the sanitary sewer system.

    final-plat submission lead time: 20 days before County Commissioners meeting · storm-water design storm: 10 year · storm-water no-damage design storm: 100 year

    “Prior to acceptance of any subdivision roads for County maintenance, a storm water drainage plan for all subdivision runoff will be designed by a registered professional engineer. The storm water conveyance system shall be designed to accommodate flows from a 10-year design storm using the methods identified in Project Development Manual, latest edition published by the Missouri Department of Transportation.”
    One more reviewed finding on this topic
    • Regulated (with conditions) — Subdivision development and subdivision roads in unincorporated Phelps County
      “Prior to acceptance of any subdivision roads for County maintenance, a storm water drainage plan for all subdivision runoff will be designed by a registered professional engineer.”
  • Building permitNot required

    The State of Missouri county building-code dataset lists Phelps County (FIPS 161) with no adopted energy, residential, or commercial building code; the county has no building/planning department, consistent with Missouri non-charter counties being unable to require residential building permits in unincorporated areas. Corroborated by the state County Building Codes dataset (data.mo.gov iq7s-izvt, 2021): no county residential building code adopted.

    State of Missouri Data Portal - County Building Codes for Missouri ↗Scouted from the county site, not yet independently re-checked

Missouri rules that apply here

  • Building code adoptedPartial

    Missouri statewide legal framework for building-code adoption by counties and other communities; the statutes authorize local adoption rather than establishing one uniformly adopted statewide building code.

    • County authority under RSMo 64.170 applies to counties of the first and second classification.
    • A county that had not adopted a building code before August 28, 2001 must obtain voter approval before adopting under RSMo 64.170 to 64.200.
    • The adoption vote is limited to voters in the affected area; a code affecting a county is not voted on by citizens of incorporated territory.
    • A county adopting under RSMo 64.180 must use a current nationally recognized building code edition from calendar year 1999 or later, as amended.
    • A county building ordinance may not conflict with liquefied petroleum gas installation requirements governed by RSMo 323.020.
    • A community may incorporate a code by reference only if it otherwise has legal power to adopt the ordinance.
    • A code incorporated by reference must be filed with the community clerk and available for public inspection for 90 days before adoption.
    • An ordinance adopting a code by reference must state the penalty separately rather than incorporate the penalty by reference.
    • RSMo 67.280 defines community to include any county, fire protection district, or municipality, and municipality to include an incorporated city, town, or village.
    “Because fire and building codes are adopted at the local level in Missouri”
  • Who permits septicMixed

    Missouri wastewater treatment systems, including domestic onsite systems, larger-flow systems, direct discharges, lagoons, subdivisions, and industrial wastewater.

    • DNR regulates direct point-discharge or surface-land-application systems, non-individual lagoons, facilities exceeding 3,000 gallons per day, and industrial process waste.
    • DHSS or a local agency, typically the county health department, regulates single-family subsurface onsite systems, individual single-family lagoons, and qualifying systems at or below 3,000 gallons per day.
    • Local agencies may administer qualifying systems under local authority or ordinance.

    domestic wastewater flow threshold: <= 3000 gallons per day (DNR regulates facilities with domestic wastewater flow greater than 3,000 gallons per day)

    “In Missouri, different state and local agencies are responsible for regulating wastewater treatment systems.”
    One more reviewed finding on this topic
  • Septic permitRequired

    Installing or repairing most onsite wastewater treatment systems in Missouri, including residential systems subject to state permitting.

    • A construction permit is required before installing or repairing most OWTS.
    • Some single-family residential lots may be exempt.
    • For residential property less than three acres, a permit is required; the exemption does not apply in some counties, so the county authority must be checked.
    • Work should not begin until a permit is issued or an exemption is confirmed.
    • Effective August 28, 2026, application fees for onsite sewage disposal system construction, modifications, and repairs are temporarily suspended.

    residential lot threshold: < 3 acres (The exemption does not apply in some counties.) · temporary permit-fee suspension effective date: 2026-08-28 (Applies to application fees associated with onsite sewage disposal system construction, modifications, and repairs.)

    “A construction permit is required before installing or repairing most onsite wastewater treatment systems (OWTS). Some single family residential lots may be exempt from permitting.”
    One more reviewed finding on this topic
  • Off-grid sanitationLimited

    Off-grid onsite wastewater treatment systems in Phelps County that fall within Missouri DHSS jurisdiction, after Phelps County ceased issuing OWTS construction permits on October 1, 2024.

    • A construction permit is generally required before installing or repairing most OWTS.
    • Certain residential properties may be exempt from state permitting requirements.
    • DHSS regulations cover single-family residential systems, including lagoons.
    • DHSS regulations cover onsite or cluster systems treating domestic wastewater flows of 3,000 gallons per day or less and dispersing wastewater through soil treatment or absorption systems.
    • Work should not begin until a permit has been issued or an exemption to permitting has been confirmed by the appropriate permitting authority.
    • Application fees for on-site sewage disposal system construction, modifications, and repairs are temporarily suspended effective August 28, 2026.
    • Any person installing on-site sewage disposal systems must be registered with DHSS.
    • Phelps County's prior local OWTS ordinance was repealed effective October 1, 2024; active, complete local applications in place the day before that date remained under the local health department, while applications received on or after that date fall under DHSS.
    • State sanitary-disposal requirements remain applicable, including requirements preventing contamination of surface water or groundwater and nuisances or health hazards.

    maximum domestic wastewater flow: <= 3000 gallons per day (Systems above this threshold that disperse through soil treatment or absorption are regulated by DNR.) · local-to-state permit transition date in Phelps County: 2024-10-01 (Active, complete applications in place on 2024-09-30 remained under the Phelps/Maries County Health Department.) · application fee suspension effective date: 2026-08-28 (DHSS states the suspension is temporary pending new standards.)

    “The Phelps/Maries County Health Department will no longer be issuing on-site wastewater treatment system (OWTS) construction permits beginning October 1, 2024 in Phelps County and October 16, 2024 in Maries County. [...] Generally, a permit must be obtained before starting construction or repair work. However, certain residential properties may be exempt from state permitting requirements.”
    2 more reviewed findings on this topic
    • Limited — Off-grid wastewater systems in Phelps County that fall within Missouri Department of Natural Resources jurisdiction.
      “The Missouri Department of Natural Resources’ jurisdiction and responsibilities include: [...] All wastewater treatment systems with direct point source discharges and all surface land application systems regardless of maximum daily flows or type of waste treated. [...] All lagoons (earthen basins), other than an individual single family residence lagoon, regardless of maximum daily flows or type of waste treated. [...] Any facility that has a maximum daily flow of domestic wastewater greater than 3,000 gpd. [...] All wastewater not defined as domestic wastewater, such as stormwater and wastewater generated from nonresidential sources such as wineries, slaughterhouses, dog kennels and industrial manufacturing.”
    • Limited — Off-grid domestic wastewater treatment using onsite wastewater treatment systems where central sewer service is unavailable.
      “Onsite wastewater treatment systems are sometimes referred to as "septic systems." These systems treat and dispose of domestic sewage on the property where it is generated.”
  • Well permitLimited

    Public water-system wells in Missouri, including those in Phelps County.

    • The public-water-system definition includes a system with at least 15 service connections or regularly serving an average of at least 25 individuals daily at least 60 days per calendar year.
    • The cited source identifies charitable and benevolent organization exemptions under section 640.116, RSMo.
    • The source does not establish a preconstruction-permit rule for ordinary private wells.

    public-water-system-service-connections: >= 15 connections (Alternative public-water-system threshold is regular service to an average of 25 individuals daily at least 60 days per calendar year.) · public-water-system-individuals-served: >= 25 individuals daily (Must be regularly served at least 60 days per calendar year.)

    “must receive written approval from the PDWB before constructing or altering a public well”
  • Agricultural exemptionAvailable (with conditions)

    Erection, maintenance, repair, alteration, or extension of farm buildings or farm structures as against county fire-protection or fire-prevention ordinances.

    • The exemption applies to fire protection or fire prevention ordinances adopted by counties in Missouri.
    • The statutory text addresses farm buildings and farm structures; it does not establish a general exemption from every zoning, building-code, floodplain, septic, or other land-use requirement.
    • Effective August 28, 2025.

    effective date: 2025-08-28

    “Notwithstanding any provision of law to the contrary, no fire protection or fire prevention ordinance adopted by any county in this state shall be exercised so as to impose regulations or to require permits with respect to the erection, maintenance, repair, alteration, or extension of farm buildings or farm structures.”
    2 more reviewed findings on this topic
    • Available (with conditions) — Farm buildings and farm structures in Phelps County, to the extent a county fire-protection or fire-prevention ordinance would otherwise impose regulations or require permits
      “Farm buildings and farm structures, limitation on certain fire protection or fire prevention ordinances. — Notwithstanding any provision of law to the contrary, no fire protection or fire prevention ordinance adopted by any county in this state shall be exercised so as to impose regulations or to require permits with respect to the erection, maintenance, repair, alteration, or extension of farm buildings or farm structures.”
    • Available — Erection, maintenance, repair, alteration, or extension of farm buildings or farm structures in Missouri, including Phelps County.
      “Notwithstanding any provision of law to the contrary, no fire protection or fire prevention ordinance adopted by any county in this state shall be exercised so as to impose regulations or to require permits with respect to the erection, maintenance, repair, alteration, or extension of farm buildings or farm structures.”
  • Driveway accessRequired

    Construction or modification of driveways within MoDOT right-of-way statewide.

    • A permit is required for construction of driveways and modifications to existing driveways on MoDOT right-of-way.
    • An initial online request must be submitted for each planned listed activity.
    • Engineered plans, traffic studies, hydraulic analysis, traffic-control plans, surety deposits, or performance bonds may be required depending on the work.
    • The rule does not establish a permit requirement for driveways outside MoDOT right-of-way.
    “We require you to obtain a permit to work on MoDOT's Right of Way for: Construction of driveways”
  • Building in a floodplainLimited

    Projects including mining, dredging, building construction, and other dirt-moving activities in designated flood hazard areas within participating Missouri jurisdictions.

    • The source describes local county or city flood damage reduction ordinances rather than one uniform statewide ordinance.
    • The project must be within a participating jurisdiction.
    • The project must be within a designated flood hazard area.
    • The cited rule does not apply if either condition is absent.
    • Covered projects must not raise flood heights.
    “Some jurisdictions (for example, county, city) require any projects in certain floodplains do not raise flood heights.”
    One more reviewed finding on this topic
    • Required — All development in a Missouri floodplain, including development in Phelps County, subject to the applicable community floodplain-management process.
      “Regardless, some type of permit MUST be issued for ALL development in the floodplain. An Engineering “No-Rise” Certificate is required for all proposed development in the regulatory floodway, and must be obtained by the community before the floodplain development permit may be issued.”
  • Permit feesPublished (with conditions)

    Missouri Department of Natural Resources air construction permits statewide.

    • Fees apply to air construction permits, not to every Missouri building or land-use permit.
    • Construction permit fees include a filing fee and an hourly processing fee.
    • The filing fee depends on the type of construction permit.
    • The listed fees are effective January 1, 2026.
    • Fees applicable until December 31, 2025 are available on the Air Construction Permit Fees white sheet.
    • A convenience fee is charged for electronic payment.

    portable source relocation filing fee: 300 USD · minor permit filing fee: 300 USD · minor permit processing fee: per 100 USD (hour) · general permit filing fee: 700 USD · new source review filing fee: 6000 USD (plus $100 per hour processing fee) · prevention of significant deterioration filing fee: 6000 USD (plus $100 per hour processing fee) · hazardous air pollutant filing fee: 6000 USD (plus $100 per hour processing fee) · temporary or pilot filing fee: 250 USD (plus $100 per hour processing fee)

    “Construction permit fees include a filing fee and an hourly processing fee. The filing fee is dependent on the type of construction permit.”
  • Permit processPublished (with conditions)

    Permit applications for work on Missouri Department of Transportation right-of-way statewide.

    • The process applies to MoDOT right-of-way work.
    • Applicants may apply online, contact the area Traffic Specialist, or submit a hard-copy application by mail.
    • Additional documentation may be required depending on the work, including site plans, performance bond, certificate of liability, traffic studies, or a meeting with MoDOT personnel.
    • After issuance, Missouri One Call, a Notice of Intent, permit and approved-plan retention, and Traffic Specialist contact requirements apply.
    • Lane closures require a request at least two working days in advance and authorization before closing lanes.
    • The Traffic Specialist must be contacted at least 48 hours before beginning work and for necessary inspections.

    lane-closure advance request: >= 2 working days (authorization from MoDOT is also required) · Traffic Specialist pre-work contact: >= 48 hours (before beginning work)

    “Contact the Traffic Specialist a minimum of 48 hours prior to beginning work and for all necessary inspections.”
  • county zoning authorityGeneral

    Missouri counties adopting zoning regulations for unincorporated territory.

    • First-class charter counties are empowered under RSMo § 64.090; that section excludes first-class counties without a charter form of government.
    • A first-class noncharter county or a county of the second, third, or fourth class may establish county zoning under RSMo §§ 64.845 to 64.880 only after the zoning question is submitted to county voters and a majority of votes cast favors county zoning.
    • The authority applies to unincorporated portions or territory and does not apply to incorporated portions under § 64.090.
    • Section 64.090 excludes specified agricultural activities and certain farm structures, underground mining, and protects existing lawful uses subject to gradual elimination of nonconforming uses.
    “If a majority of the votes cast is in favor of county zoning, the county commission shall proceed with a program of county zoning”
  • county building authorityLimited

    County regulation of construction and issuance of building permits for buildings, including residential construction, in Missouri counties, with the practical focus on county-controlled areas outside incorporated territory.

    • RSMo § 64.170 grants the authority to counties of the first and second classification only.
    • The authority is subject to subsections 2 and 3.
    • A county that had not adopted a building code before August 28, 2001, under §§ 64.170 to 64.200, lacks authority to adopt one under those sections unless voters approve it.
    • The building-code authority vote is limited to voters in the affected area; a code affecting a county may not be voted on by citizens of incorporated territory.
    • The statute authorizes building regulations, building permits, inspections, licensing rules, and permit, license, and inspection fees.
    “the county commission in all counties of the first and second classification [...] is for this purpose empowered [...] to adopt [...] regulations to control the construction”

Inside cities and towns in Phelps County

Municipal rules found while researching the county. They apply inside that city or town, not to unincorporated land.

  • Local zoningPresent (with conditions)

    Zoning and rezoning within the City of St. James, Phelps County, Missouri.

    • The city application identifies existing zoning districts R-1, R-2S, B-1, B-2, I-1, and I-2.
    • The application states that all property owners within 185 feet must be notified.
    • A $185 advertising and postage payment is required; PUD applications may require a $1,500 deposit or a non-refundable $350 review fee under the simplified procedure.
    • Approval of a change of zoning does not authorize development without review and approval of development plans and specifications or, in some instances, a subdivision plat.

    neighbor notification distance: 185 feet · advertising and postage payment: 185 USD · PUD deposit: 1500 USD (If not fully used, the remaining amount will be refunded.) · simplified PUD review fee: 350 USD (Non-refundable fee in lieu of the $1,500 deposit.)

    “It is understood, that all property owners within 185 feet of the property to be rezoned must be notified of this application. Attached is a check, made payable to the City of St. James, for advertising and postage in the amount of $185.00, and where applicable, any fees for PUD approval.”
    One more reviewed finding on this topic
    • Present (with conditions) — Zoning and rezoning within the City of Rolla, Phelps County, Missouri.
      “Link to Chapter 42 (Planning and Zoning) [...] Zoning Map [...] LAMA portal for online applications for rezoning, subdivisions, variances, etc.”

Still unanswered

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

  • Owner-builder exemption — Owner-builder exemptions from building-permit, inspection, or related construction requirements in unincorporated Phelps County.
  • Inspections — Building inspections for construction in unincorporated Phelps County.
  • Zoning districts — Countywide publication of zoning districts for Phelps County.
  • Minimum dwelling size — Minimum dwelling-size standards in unincorporated Phelps County
  • Minimum lot size — Minimum lot-size standards in unincorporated Phelps County
10 more unanswered
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Mandatory utility hookup
  • Short-term rentals

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 Phelps County, Missouri

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

Phelps County scores 79/100 on the Bolthole Index, a strong county profile. Its strengths: low administrative friction for a quiet rural property and manageable long-term carry cost.

Do you need a building permit in Phelps County, Missouri?

Phelps County does not require a county building permit for a home in unincorporated areas, and it has no county-wide zoning. Onsite septic is permitted by Missouri Department of Health and Senior Services (DHSS) - Onsite Wastewater Treatment Program. 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.

How much does land cost in Phelps County, Missouri?

Land in Phelps County runs about $3,912 per acre, based on the latest county data.

What is the water situation in Phelps County?

Phelps County gets about 44.2" of rain a year, with severe drought in roughly 4.8% of years.

How remote is Phelps County?

A representative private-land location has about 11,862 people within a 30-minute drive and 1,856,159 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.

Off-grid gear

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

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How Phelps compares in Missouri

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