The City of Fairfield Building Safety Division is in the Community Development lobby on the 2nd floor of City Hall, 1000 Webster Street, and reviews all new construction and alterations. Office hours are 8am to 12pm and 1pm to 5:30pm and counter hours 8am to 11:45am and 1pm to 5:30pm, Monday - Friday, closed every other Friday; the counter is also closed Wednesdays 8am to 9:30am. Questions go to building@fairfield.ca.gov. Census Vintage 2025 estimates put Fairfield at 122,489 residents.
This guide covers the City of Fairfield. The Building Safety Division’s phone number and the City’s building permit fees could not be checked, so ask the Division by email or at the counter.
Who handles permitting in Fairfield?
In most cases, properties in Fairfield are required by ordinance to connect to the municipal sewer system run by the Fairfield-Suisun Sewer District.
Short on time to read all of this?
Get a free quote →| Office | Handles | Contact |
|---|---|---|
| Building Safety Division | Review of all new construction and alterations; Community Development lobby, 2nd floor, City Hall | building@fairfield.ca.gov |
| Planning Division | Planning; the starting point for sewer district items on a project in the city; 1000 Webster St, 2nd Floor | 707-428-7461; planning@fairfield.ca.gov |
| Fairfield-Suisun Sewer District | Sewer for Fairfield, Suisun City and Travis Air Force Base; no permit counter of its own | Through the City |
| Solano County Environmental Health | Its own permits and inspections in Fairfield, including wells and onsite sewage disposal; 675 Texas St, Suite 5500 | (707) 784-6765 |
Not sure this scope needs a permit?
Get a free quote →How to get a building permit in Fairfield
Fairfield BUILD replaced the City’s former TRAKiT system. Applications and plans for Building, Planning, Fire and Public Works all go through it, and public kiosks are available in the Community Development lobby.
PDFs must not be secured or password protected.
The Fairfield-Suisun Sewer District issues no permits itself; the City issues them and collects the Sewer Capacity Charges, so work through the Planning Division.
Solano County Environmental Health handles its own permits and inspections in Fairfield, including wells and onsite sewage disposal.
Both are handled in Fairfield BUILD.
A building permit carries a validity period and can expire if work does not start or stalls between inspections; confirm the expiry with the Building Safety Division on phased or delayed work. Permit validity in California
Rather talk it over?
Call 1-855-478-4290 →Fairfield permit costs and fees
The City’s own building permit fees could not be checked for this guide. The Fairfield-Suisun Sewer District fee schedule effective July 1, 2026 sets the Sewer Capacity Charge at $8,030.00 per Equivalent Dwelling Unit (Resolution 2026-08); the amount varies by use and building square footage. Some areas add surcharges, such as Rancho Solano at $1,741.00.
Inspections in Fairfield
Inspections are requested in Fairfield BUILD and run Monday - Friday, excluding holidays. You can ask for a morning (8am to 12pm) or afternoon (12pm to 4pm) slot, but preferences are not guaranteed, so be available from 8am to 4pm.
Official Fairfield permitting resources
These are the primary sources behind this guide. Codes, fee schedules and procedures change — confirm the position for your filing date.
Rather not deal with the building department?
Get a free quote →- Fairfield Building Safety Division
- Fairfield BUILD portal
- Fairfield-Suisun Sewer District service area
- Sewer district charges and fees
- Sewer district fee schedule FY 2026-27 (PDF)
- Solano County Environmental Health
Frequently asked questions
Does Fairfield still use TRAKiT?
No. Fairfield BUILD replaced the former TRAKiT system for applications, plans, invoices and inspection requests.
Want this handled start to finish?
Get a free quote →Can I pick an inspection time in Fairfield?
You can ask for a morning or afternoon slot, but preferences are not guaranteed; be available from 8am to 4pm.
Who collects sewer charges for a Fairfield project?
The City. The Fairfield-Suisun Sewer District has no permit counter; permits are issued through the City, which collects the Sewer Capacity Charges.
Simplify Fairfield permitting with Alliance Permitting
- Find out which City divisions, districts and outside agencies need to sign off on the project
- Prepare the plans and application files in the format the City accepts
- Pay fees, answer plan review comments and request inspections on time
Inspections are where schedules slip.
Get a free quote →Alliance Permitting is a permit documentation and submission company in California. We prepare your paperwork, file it correctly and coordinate with the permitting authority through issuance. We are not a contractor and we do not perform licensed plan review or inspections; that work stays with your licensed team and the jurisdiction.
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More California permitting guides
This guide is provided by Alliance Permitting for general information about Fairfield permitting. Requirements, fees, and procedures change; confirm details with the permitting authority before relying on them.