Fairfield · Building on your lot
Building on your lot in Fairfield
Fairfield sets its own limits on fences, accessory structures and home businesses. Fence height depends on the distance from the front property line and the zone, and accessory limits depend on size.
Key points
- Fence height: Fairfield limits fences at single-family homes and duplexes to 42 inches within 15 feet of the front property line and 7 feet beyond.
- Accessory structures: At single-family homes and duplexes, Fairfield limits small accessory structures (60 square feet or less) to 7 feet and large ones to 16 feet.
- Home businesses: Fairfield keeps home businesses inside the home, with resident workers only and up to 8 patron visits a day.
Each rule below is marked Fairfield code or CA state law and links to the section it comes from (checked October 2026). General information, not legal advice.
Fences and walls
| Corner visibility |
|
|---|---|
| Height anywhere on the lot |
|
| Front yard height |
|
| Side and rear yard height |
|
| Permit |
|
Sheds, garages and other accessory structures
| Maximum height |
|
|---|---|
| Size or lot coverage |
|
| Side and rear setback |
|
Running a business from home
| Space used |
|
|---|---|
| Customer visits |
|
| Employees |
|
| Permit |
|
| Businesses not allowed |
|
RV and boat parking
| Parking on the street |
|
|---|
Solar panels and EV chargers
| EV charger permit |
|
|---|---|
| Solar height and setbacks |
|
| Solar permit process |
|
Tree removal
| Permit to remove |
|
|---|---|
| Protected trees |
|
| Replacement trees |
|
| Penalty |
|
Swimming pools
Fairfield code The gap from the ground to the bottom of the enclosure is at most 2 inches. Gaps must not let a sphere 4 inches or wider pass through.
All 13 Fairfield rules on swimming pools, with the code text and the state law underneath →
Pets, chickens and bees
| Pet limit |
|
|---|
Other Fairfield rules on this
Fairfield's code also has these chapters. We have not summarized their values on this page yet; read them in the library.
- SB 9 lot splits and two-unit projects (§ 25.20.3.4)
Who this affects
Frequently asked questions
How tall can a fence be in Fairfield?
Fairfield limits fences at single-family homes and duplexes to 42 inches within 15 feet of the front property line and 7 feet beyond.
How big can a shed or accessory building be in Fairfield?
At single-family homes and duplexes, Fairfield limits small accessory structures (60 square feet or less) to 7 feet and large ones to 16 feet.
Can I run a business from my home in Fairfield?
Fairfield keeps home businesses inside the home, with resident workers only and up to 8 patron visits a day.
Can I park an RV or boat at my home in Fairfield?
Fairfield's code: No more than 72 hours. (Applies to any vehicle, boat or RV on any public right-of-way.) (§ 11.7.2); Overnight for no more than 72 hours in a row, twice in any 7-day period. (Applies to a homeowner's, tenant's or out-of-town visitor's boat or RV on the street next to the owner's home.) (§ 11.7.2).
Do I need a permit for solar panels or an EV charger in Fairfield?
Fairfield's code: Fast nondiscretionary permit, issued when the station meets all code rules; apply in person, by mail or electronically. (Applies to installing an electric vehicle charging station anywhere in the city.) (§ 5.1.4.10); Must not exceed the maximum legal building height. (Required to qualify as a small rooftop home solar system for fast review.) (§ 5.1.4.9).
Do I need a permit to remove a tree in Fairfield?
Fairfield's code: Yes, a Tree Removal Permit is required. (Applies to removing a protected tree outside a project reviewed by the Department, Commission or Council, and outside the Public Tree Conservation Policy.) (§ 25.36.5); All trees on public property. (§ 25.36.3).
Can I keep chickens or bees at my home in Fairfield?
Fairfield's code: No more than 3 dogs over 4 months old. (Applies in R-1, R-D, R-G garden apartment and R-E residential districts.) (§ 3.22); No more than 3 cats over 4 months old. (Applies in R-1, R-D, R-G garden apartment and R-E residential districts.) (§ 3.22).
General information, not legal advice.
Ask about a specific Fairfield property
Ask GoCodebook how these rules apply to your address and get an answer that cites the section.
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