Bolthole Index

San Benito County, California

Zoning, building permits and septic rules in San Juan Bautista, California

The City of San Juan Bautista, California adopts and administers its own zoning, with districts R-1, R-2, R-3, C, MU, I and PF set by city code rather than San Benito County1. Building permits inside city limits go through the city's Planning and Building staff; we could not confirm the city's building-permit rules online, so call before you design. Septic and well permits are county matters: San Benito County Environmental Health handles septic2.

At a glance

Zoning
City zoning code (Title 11), not the county's1
Minimum lot, R-1-7
7,000 sq ft and 50 ft wide3
Setbacks, R-1-7
Front 20 ft, side 5 ft, rear 20 ft4
Maximum height, R-1-7
2 stories / 30 ft5
RVs on vacant lots
Parking or storing a camper trailer or house trailer on a vacant lot is prohibited6
Sewer connection
Building sewer permit from the city manager7
Septic agency
San Benito County Environmental Health (county-wide program)2
Well permits
San Benito County Water District, within its jurisdiction8

Who to call

Zoning

City of San Juan Bautista Planning Division

Zoning questions and planning applications inside San Juan Bautista city limits

(831) 623-4661

[email protected]

Building permits

City of San Juan Bautista Building Department

Building permit applications and inspection scheduling inside San Juan Bautista city limits

(831) 623-4661

[email protected]

Septic permits

San Benito County Environmental Health

Septic (onsite wastewater) permits, site evaluations and inspections for San Benito County

(831) 636-4035

[email protected]

351 Tres Pinos Rd. C-1, Hollister, CA 95023

Well permits

San Benito County Water District

Well permits within the district's jurisdiction

(831) 637-8218

30 Mansfield Road, Hollister, CA 95023

Contact details are copied from each office’s official page and were checked against it on October 24, 2026.

Off-grid gear

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

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Does San Juan Bautista have zoning, and what does it mean for lot size and setbacks?

Yes. Inside San Juan Bautista city limits, the city adopts and administers its own zoning ordinance, and the districts and their development standards come from city code, not from San Benito County1. The county's zoning applies only to unincorporated land9.

In the R-1-7 single-family district, the minimum lot is 7,000 sq ft and 50 ft wide, and the planning commission can reduce the area based on topography and building layout3. Main-building setbacks in R-1-7 are 20 ft front, 5 ft side and 20 ft rear4, and height tops out at 2 stories or 30 ft5.

The planning commission can designate R-1-6 (6,000 sq ft, 45 ft wide) or R-1-5 (5,000 sq ft, 35 ft wide) case by case1011. R-1-5 has a 15 ft rear setback12.

Do you need a building permit in San Juan Bautista, and who issues it?

We could not confirm the city's building-permit and building-code rules from its online code, so treat the answer as a call to the city rather than a guess. The City of San Juan Bautista lists a Planning Division and a Building Department at the same city hall number, and the Building Department schedules inspections13. Use the city, not the county, for a lot inside city limits.

For land outside the city, San Benito County requires building permits in unincorporated areas14. That rule does not govern city lots.

California's statewide building code applies to buildings subject to it15. A state owner-builder exemption covers contractor licensing only; it is not stated as an exemption from permits or inspections16.

How do septic permits and sewer connections work in San Juan Bautista?

A new building sewer on a city lot needs a building sewer permit from the city manager, and the connection may be made only after inspection in the city manager's presence7. We could not confirm a rule requiring homes to connect to public sewer when it is available, or whether septic is allowed on a city lot, so ask the city before you assume either.

Septic permits in San Benito County come from County Environmental Health2. California requires a permit for every new or replacement septic system, from the local jurisdiction or the Central Coast Water Board17. The county's septic application lists a $855 fee for a new system and requires a plot plan showing a 100% expansion area18. Call19 to confirm whether it serves a lot inside city limits.

Can you live in an RV or tiny home in San Juan Bautista?

Not on a vacant lot. The city prohibits storing or parking a house trailer or camper trailer on vacant lots or vacant parcels, and that is a parking ban rather than a rule about living in an RV on a developed lot6. We could not confirm whether the city allows RV occupancy on a lot with a dwelling, or its tiny-home rules, so ask the Planning Division.

The county's tiny-home-on-wheels checklist covers unincorporated land outside Hollister, not San Juan Bautista city lots20.

Building a home in San Juan Bautista: the steps, in order

  1. Confirm the zoning district and its lot, setback and height standards with the Planning Division211.
  2. Ask the Building Department which permits and plan review a new home needs; we could not confirm this online13.
  3. Get a building sewer permit from the city manager before connecting7.
  4. If a well or septic system is being considered, call the water district and County Environmental Health first2219.
  5. Schedule inspections through the Building Department13.

What stays with San Benito County, and what to check before you buy

Septic oversight is county-wide through Environmental Health2, and wells within the San Benito County Water District's jurisdiction need a district permit8. Land outside city limits falls under the San Benito County page and its unincorporated rules.

County figures give context: typical home values run about $771,21023, and the county's effective property tax rate is 0.8%24. Annual precipitation is about 17.2 inches25. These are county-level numbers, not city-specific.

Watch-outs

  • Planning Commission discretion can change lot size in R-1 districts, so confirm which R-1 designation a specific parcel carries3.
  • Subdivisions of 20 or more single-family lots follow a separate lot mix, and we could not confirm the subdivision procedure; ask the Planning Division26.
  • We could not confirm the city's building permit, fee, floodplain or accessory dwelling rules; call the Building Department before buying13.

Sources

  1. Chapter 11-04 Article 1: Development Standards (eCode360) (San Juan Bautista), quoted and re-checked
  2. Environmental Health – San Benito County Health and Human Services Agency, quoted and re-checked
  3. Section 11-03-010 Development standards matrix (eCode360) (San Juan Bautista), quoted and re-checked
  4. Section 11-03-010 Development standards matrix (eCode360) (San Juan Bautista), quoted and re-checked
  5. Section 11-03-010 Development standards matrix (eCode360) (San Juan Bautista), quoted and re-checked
  6. ecode360.com (San Juan Bautista), quoted and re-checked
  7. Chapter 5-9 Article 3: Building Sewers and Connections (eCode360) (San Juan Bautista), quoted and re-checked
  8. San Benito County Drought Resilience Plan, quoted and re-checked
  9. 25.03: Zoning Map and Zoning Districts, quoted and re-checked
  10. Section 11-03-010 Development standards matrix (eCode360) (San Juan Bautista), quoted and re-checked
  11. Section 11-03-010 Development standards matrix (eCode360) (San Juan Bautista), quoted and re-checked
  12. Section 11-03-010 Development standards matrix (eCode360) (San Juan Bautista), quoted and re-checked
  13. City of San Juan Bautista Building Department (san-juan-bautista.ca.us)
  14. codelibrary.amlegal.com, quoted and re-checked
  15. Approved Building Standards (California statewide rule), quoted and re-checked
  16. California Business and Professions Code section 7044 (California statewide rule), quoted and re-checked
  17. 2023 OWTS Policy (California statewide rule), quoted and re-checked
  18. Sewage Disposal System Permit Application, quoted and re-checked
  19. San Benito County Environmental Health (hhsa.sanbenitocountyca.gov)
  20. Tiny Home on Wheels Permit Checklist, quoted and re-checked
  21. City of San Juan Bautista Planning Division (san-juan-bautista.ca.us)
  22. San Benito County Water District (sbcwd.com)
  23. Typical home value (Zillow): Bolthole Index county data
  24. Effective property tax rate: Bolthole Index county data
  25. Annual precipitation: Bolthole Index county data
  26. Chapter 11-04 Article 1: Development Standards (eCode360) (San Juan Bautista), quoted and re-checked

Written October 24, 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.

Answers from the rulebook for San Juan Bautista

San Juan Bautista’s own rules

  • Local zoningPresent (with conditions)

    All land inside San Juan Bautista city limits: the city adopts and administers its own zoning ordinance (Title 11 zoning, eCode360).

    • Zoning districts (R-1, R-2, R-3, C, MU, I, PF) and their development standards are set by the city code, not the county.
    • Use permission and permit steps under Title 11 chapters 11-18 through 11-20 were not opened and are not stated here.
    “the following table sets forth development standards for each zoning district.”
  • Minimum lot sizeSpecified

    Single-family lots in the R-1-7 district inside San Juan Bautista city limits

    • Footnote 2 is attached to the R-1-7 lot-area entry in the matrix; its text says the figure may be reduced by the planning commission based on site topography and building design layout.
    • Planning Commission may designate R-1-6 or R-1-5 on R-1 lots meeting § 11-04-010 criteria (matrix note 13).
    • Subdivisions of 20 or more single-family lots must keep at least 75% of lots at 7,000 sq ft (§ 11-04-010(d)(1)).

    minimum lot area (gross): >= 7000 sq ft (may be reduced by planning commission per matrix note 2) · minimum lot width: >= 50 ft

    “r-1-713 7,000 sq. ft. 2 50 ft. 0.50 – 5 0.45 0.45 2/30 f: 20 ft. 5 s: 5 ft. 7 r: 20 ft.”
    2 more reviewed findings on this topic
  • SetbacksSpecified

    Main-building setbacks in the R-1-7 district inside San Juan Bautista city limits

    • Matrix note 5: front setback is 25 ft for a detached garage; the front setback may be reduced to 15 ft to meet design guidelines when the Planning Commission approves a development of more than 20 homes.
    • Matrix note 7: 5 ft for detached garages and carports not exceeding 15 ft in height.

    front setback: >= 20 ft (25 ft for detached garage; 15 ft for approved developments of more than 20 homes (note 5)) · side setback: >= 5 ft (5 ft for detached garages/carports 15 ft or less in height (note 7)) · rear setback: >= 20 ft

    “r-1-713 7,000 sq. ft. 2 50 ft. 0.50 – 5 0.45 0.45 2/30 f: 20 ft. 5 s: 5 ft. 7 r: 20 ft.”
    2 more reviewed findings on this topic
  • Building heightSpecified

    Main buildings in the R-1-5 district inside San Juan Bautista city limits

    • Matrix column is labeled 'maximum height story/feet'; the R-1-5 entry is 2 stories / 30 feet.

    maximum height: <= 30 ft (also limited to 2 stories)

    “r-1-5 5,000 sq. ft. 35 ft. 0.50 – 7 0.48 0.50 2/30”
    2 more reviewed findings on this topic
  • Living in an RVProhibited

    Parking or storing a boat, house trailer, camper trailer or motor vehicle on vacant lots or vacant parcels in San Juan Bautista city. This is a storage/parking ban, not a rule on living in an RV on a developed lot.

    • Occupancy of an RV on a lot with a dwelling was not addressed in the opened pages; that rule is unknown (see followups).
    “(a) vacant parcels. no person shall store any commercial or construction equipment or materials or store or park any boat, house trailer, camper trailer, detached camper trailer, detached camper trailer top, motor vehicle, or dismantled motor vehicle on vacant lots or vacant parcels in any zoning district of the city.”
  • Mandatory utility hookupConditional

    New building sewer for a lot inside San Juan Bautista city limits connecting to the public sewer

    • § 5-9-305: a building sewer permit from the city manager is required before installing or connecting a building sewer to the public sewer.
    • § 5-9-345: the connection may be made only after inspection by, and in the presence of, the city manager.
    • The opened pages do not state a distance or availability rule that requires a home to connect to public sewer when available; that mandate was not located. Water connection rules were not located.
    “a separate and independent building sewer shall be provided for every lot; provided, however, at the discretion of the city manager, joint use of building sewers may be permitted”
  • Subdividing landRegulated (with conditions)

    Subdivisions of 20 or more lots for single-family residential development inside San Juan Bautista city limits

    • Lot mix: at least 75% of lots 7,000 sq ft; up to 20% at 6,000 sq ft; up to 10% at 5,000 sq ft (§ 11-04-010(d)(1)-(3)).
    • Front setbacks vary 15 to 25 ft and garage front setback is at least 25 ft (§ 11-04-010(d)(4)).
    • The subdivision procedure itself is in Title 10 (buildings and subdivisions), which was not opened.
    “(d) for any subdivision of twenty (20) lots or more for single-family residential development, the size and standards of lots within the development for single-family residential may be as follows:”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask San Juan Bautista or San Benito County directly.

  • Building permit — Building permit requirement for a new home inside San Juan Bautista city limits
  • Owner-builder exemption — Owner-builder permit exemption inside San Juan Bautista city limits
  • Building code adopted — Building code adoption inside San Juan Bautista city limits
  • Inspections — Building inspection requirement for new construction inside San Juan Bautista city limits
  • Certificate of occupancy — Certificate of occupancy for new homes inside San Juan Bautista city limits
17 more unanswered
  • Zoning districts
  • Minimum dwelling size
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Agricultural exemption
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees
  • Permit process

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.

Unanswered questions are usually a sign that San Juan Bautista publishes no rule on the point, not that none exists. San Benito County’s page lists the county offices to call.

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