Manhattan Beach, CA Zoning, Building Permits & Septic Rules

Manhattan Beach, California, in Los Angeles County, adopts and enforces its own zoning through Title 10 of its municipal code, with residential lots regulated by area district¹². The city's Community Development Department lists a Building and Safety line for permits³. We could not confirm the city's septic rules, so ask the city and the county health office before relying on a septic system. County rules for unincorporated land do not apply inside city limits.

At a glance

Zoning: City zoning (Title 10), not the county's¹
Minimum lot size: 7,500 sq ft in Area District I; 4,600 sq ft in Area District II⁴
Front setback: 20 ft in Area Districts I and II; 5 ft in III and IV⁵
Height limit: 26 ft for RS and RM, 30 ft for RH in Area Districts I and II⁶
Manufactured homes: Allowed in residential districts only with a Certificate of Compatibility⁷
Living in an RV: Banned on streets and public property 10 p.m. to 6 a.m.; private-lot rules not confirmed⁸
Owner-builder: State exemption exists; local permit and inspections still apply⁹¹⁰
Septic: County program covers unincorporated land; city limits not confirmed¹¹

Who to call

Building permits

City of Manhattan Beach Community Development Department, Building and Safety

The city's Building and Safety line, inside Manhattan Beach city limits; Community Development's main line is (310) 802-5500

(310) 802-5544

1400 Highland Avenue, Manhattan Beach, CA 90266

Contact details are copied from each office’s official page and were checked against it on October 16, 2026.

Off-grid gear

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

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Does Manhattan Beach, California have its own zoning?

Yes. Manhattan Beach zones land inside the city through its own municipal code, and the residential districts RS, RM, RH and RSC are set by the city zoning map and Title 10¹. The code divides the city into four area districts that carry different development rules². Los Angeles County's Title 22 zoning applies to unincorporated land, not automatically to incorporated cities¹².

That means a lot's area district matters before anything else. Look up the parcel on the city zoning map, then read the property development schedule for that district¹. Questions the city's code does not answer in our review, such as minimum dwelling size in the main residential districts, are worth putting to the city's Community Development Department³.

What are the lot size, setback and height rules in Manhattan Beach?

Minimum lot area in the RS, RM and RH districts is 7,500 sq ft in Area District I and 4,600 sq ft in Area District II; Area Districts III and IV are 2,700 sq ft⁴. The front setback is 20 ft in Area Districts I and II and 5 ft in III and IV, while side setbacks are 10% of lot width with a 3 ft minimum⁵.

Height limits in Area Districts I and II are 26 ft for RS and RM and 30 ft for RH, and 30 ft in Area Districts III and IV⁶. Rear and corner-side setbacks vary by district and exceptions, so read the schedule for your own district rather than relying on a summary⁵.

Do you need a building permit in Manhattan Beach, and who issues it?

We could not confirm the text of Manhattan Beach's building permit rules, so treat this as a call to make rather than a rule we can quote. The city's Community Development Department lists a Building and Safety line at (310) 802-5544 at City Hall, 1400 Highland Avenue³. California statewide adopts the 2025 California Building Standards Code for permit applications filed on or after January 1, 2026, and the local building department decides how the application date is set¹³.

The Los Angeles County Public Works building permit rules apply to unincorporated Los Angeles County¹⁴; Manhattan Beach is an incorporated city, so the county's permit counter is not the right office for a lot inside city limits. For land outside the city, see the Los Angeles County page.

Can you build your own home in Manhattan Beach as an owner-builder?

California exempts owners who build or improve structures on their own property from contractor licensing, under Business and Professions Code section 7044⁹. The exemption does not skip permits: an owner-builder who signs a building permit application takes responsibility for the project, which must pass applicable codes and building inspections, and local zoning, setbacks and yard requirements stay with the local jurisdiction¹⁰.

In Manhattan Beach that local jurisdiction is the city. We could not confirm the city's own owner-builder procedure, so ask Building and Safety³.

Can you live in an RV, camp or place a manufactured home in Manhattan Beach?

Using a vehicle for human habitation on any street, alley, park, beach, public parking lot or other public property in Manhattan Beach is unlawful between 10:00 p.m. and 6:00 a.m.⁸. The Police Chief may permit up to 72 hours for fully self-contained vehicles⁸. We did not locate the city's rule for an RV parked on a private lot, so ask the city before assuming it is allowed.

On private residential property, overnight camping by friends or family of the owner is limited to one consecutive night with the owner's consent¹⁵.

Manufactured homes are allowed in residential districts only with a Certificate of Compatibility valid 2 years and renewable, and are not allowed on substandard lots, as an additional unit, or on lots with average slope over 10%⁷. We found no tiny-home provision in the city code, so confirm with Community Development³.

How do septic permits work inside Manhattan Beach?

We could not confirm who issues septic permits inside Manhattan Beach city limits or whether onsite septic systems are allowed there. For unincorporated land, Los Angeles County Public Health's Environmental Health division approves septic systems under its Local Agency Management Program, and that program is scoped to unincorporated areas¹¹. Do not assume that rule extends inside the city.

Before you buy, ask the city's Building and Safety line about sewer service for the parcel³. The countywide soil rating is a poor guide for a city lot: only 6.6% of Los Angeles County soils are rated not limited for a conventional drain field¹⁶.

What should you check before buying land in Manhattan Beach?

Check flood zones first. New construction and substantial improvements in special flood hazard areas must raise the lowest floor to or above the design flood elevation in AE, AH and A zones, certified by a licensed engineer or surveyor, and a substantial improvement means a cost of 50 percent or more of the structure's market value¹⁷.

Next, price and taxes. Los Angeles County's typical home value is $888,426¹⁸, its effective property tax rate is 0.7%¹⁹, and its median property tax bill is $5,438 a year²⁰. Expect a typical home insurance premium of about $1,492 a year at the county level²¹. Finally, confirm the parcel's area district, any short-term rental limits and driveway access with the city; we did not locate those rules.

Watch-outs

The county's building, zoning and septic offices serve unincorporated land only; inside Manhattan Beach, start with the city's Community Development Department³.
We could not confirm the city's building permit requirements, fees or inspection process, so call Building and Safety before you plan work³.
Area districts change lot size and setbacks sharply: a 7,500 sq ft minimum in Area District I against 2,700 sq ft in Area Districts III and IV⁴.
Sleeping in a vehicle on a street or public lot is unlawful from 10:00 p.m. to 6:00 a.m.⁸.

Sources

Written October 16, 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.

Unanswered questions are usually a sign that Manhattan Beach publishes no rule on the point, not that none exists. Los Angeles County’s page lists the county offices to call.

Zoning, building permits and land rules in Manhattan Beach, California