What's Required in Los Angeles
- No building permit for masonry or concrete fences up to 3.5 ft or other fences up to 10 ft, except swimming pool barriers (LAMC 91.106.2 item 13)
- Masonry or concrete walls over 3.5 ft need an LADBS building permit; 6-ft block walls built to IB P/BC 2026-096 in residential zones qualify as express permits
- Zoning height limits apply to every fence: 3.5 ft front yard in R/RW zones (6 ft in A/RA), 8 ft side and rear on lots 40 ft or wider outside hillside areas, otherwise 6 ft
- Taller front-yard fences require Department of City Planning approval
- Pool barriers must be at least 5 ft high with self-closing, self-latching gates and need their own permit
- Permit fee is valuation-based with a plan check fee of 90% of the permit fee; masonry walls are valued at $10 per sq ft of wall, concrete at $14
- Permitted walls are inspected at footing and steel before pouring; request inspections a day ahead before 2 PM
- Contractors need a CSLB license for permitted work or any job of $1,000 or more
Do You Need a Permit to Build a Fence in Los Angeles?
For most fences, no. LAMC 91.106.2 of the 2026 Los Angeles Building Code exempts masonry or concrete fences not over 3-1/2 feet high and other fences, other than swimming pool barriers, not over 10 feet high. A wood, vinyl, chain-link or wrought-iron fence of ordinary height therefore needs no building permit from the Department of Building and Safety (LADBS). A block or concrete wall taller than 3.5 feet does, and so does any fence that serves as a pool barrier. LADBS Information Bulletin P/BC 2026-080 adds a middle path: a wall up to 6 feet with masonry pilasters no more than 1 foot 4 inches wide spaced at least 6 feet on center, masonry no higher than 3 feet 6 inches between them and open grillwork or wood above, needs no permit either. The catch is zoning. Whether or not a permit is required, every fence must meet the height limits in LAMC 12.22 C.20, and those are what usually trip people up.
Los Angeles Fence Rules by Scenario
| What you are doing | City filing | Rule |
|---|---|---|
| Wood, vinyl, chain-link or iron fence up to 10 ft | None | LAMC 91.106.2 item 13; zoning height limits still apply |
| Block or concrete wall 3.5 ft or lower | None | LAMC 91.106.2 item 13 |
| Block or concrete wall over 3.5 ft | Building permit with plan check | Valuation-based fee; 6-ft block walls built to IB P/BC 2026-096 can be express permits |
| Wall up to 6 ft with masonry pilasters and open infill | None if built to IB P/BC 2026-080 | Pilasters max 1 ft 4 in wide, 6 ft on center; masonry infill max 3 ft 6 in |
| Front-yard fence in an R zone | Zoning limit 3.5 ft (8 ft only with City Planning approval) | IB P/ZC 2023-002 |
| Side or rear fence on a lot 40 ft or wider, not hillside | Zoning limit 8 ft; 6 ft on narrower or hillside lots | IB P/ZC 2023-002 |
| Fence used as a swimming pool barrier | Building permit (express if free-standing, non-masonry) | Express Permits IB item 29; pool IB P/BC 2026-014 |
How Much Does a Fence Permit Cost in Los Angeles?
Nothing for an exempt fence. When a masonry wall does need a permit, LADBS charges a valuation-based permit fee and a plan check fee equal to 90 percent of the permit fee, plus surcharges. The city's Permit Fee Calculator returns a permit total of $200.65 and plan check of $136.85 for a $5,000 non-building structure, about $338 together, and $248.78 plus $214.19, about $463, for a $10,000 wall. The LADBS valuation table prices masonry retaining walls and fences at $10 per square foot of wall and concrete at $14, so a 60-foot run of 6-foot block wall is valued around $3,600 and lands at the minimum. A 6-foot block wall built to the city's standard detail (IB P/BC 2026-096) in a residential zone, not in the front yard, can be issued as an express permit with no plan check at all. Card payments add 2.7 percent.
Who Builds It and Who Signs the Permit?
A homeowner can build an exempt fence with no paperwork and can sign an owner-builder permit for a block wall. If you hire the work out, California requires a CSLB license for any job of $1,000 or more, or for any job that needs a permit; LADBS matches building permits to a B license. The inspector for a permitted wall checks footing excavation and steel before concrete and grout are placed, so call for inspection a day ahead, before 2 PM, at each stage.
Fence Heights, Property Lines and Sloping Lots
Do not assume the inside edge of the sidewalk is your property line; LADBS specifically warns against it. Front-yard fences in R and RW zones are capped at 3.5 feet (6 feet in A and RA zones), and a taller front fence requires Department of City Planning approval. Side and rear fences may reach 8 feet on lots 40 feet or wider outside hillside areas, otherwise 6 feet. On sloping ground the height is measured by the method in IB P/ZC 2023-002. Specific plans, historic overlays and hillside rules can lower those numbers, so look the lot up in ZIMAS first.
How to Get a Fence Permit in Los Angeles
Classify the fence
Non-masonry up to 10 ft or masonry up to 3.5 ft: no building permit. Masonry over 3.5 ft or any pool barrier: permit required.
Check the zoning height
Look up the lot in ZIMAS. Front yards in R zones cap at 3.5 ft; side and rear at 8 ft (6 ft on lots under 40 ft or in hillside areas).
Choose the permit path
A 6-ft block wall to city standard detail P/BC 2026-096 is an express permit online through PermitLA; other masonry walls go through Counter Plan Check with a plot plan and wall detail.
Pay the fee
About $338 in permit plus plan check for a $5,000 wall, about $463 for $10,000, per the LADBS calculator; 2.7 percent more by credit card.
Build and inspect
Call for inspection before concrete and grout are placed and at completion. Keep the permit and approved plans on site.