Fairfax Building Permits & Property Data

Heads up: The public source includes contractor names on some current permit records, but coverage has not yet reached PermitGrab's market-level reporting threshold. This page focuses on permit records and property data; contractor names are shown where the public source publishes them.

877 indexed permits · Fairfax, California.

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Fairfax building permits — key stats
Active contractors 14
Newest permit 2026-11-01

PermitGrab tracks 877 building permits in Fairfax, CA as of 2026-11-01.

✓ Recent record dates

Record recency is based on available filing or issue dates; it does not verify publication time or collection delay.

Newest permit date:

PermitGrab Pro is a $149/mo subscription for current municipal permit, property, and code-violation records. Some contractor names are available from the official source, but coverage has not reached market-level reporting. This page focuses on the permit and property signals it does publish. 14-day Pro trial below — choose your market first, then card required at checkout · cancel anytime before day 14.

Filter Fairfax permits by trade: solar · roofing · HVAC · electrical · fire protection · new construction.

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One email a week with the newest Fairfax building permits — addresses, project details, and property activity where available. Free summary only — no credit card. Pro research tools require a separate 14-day trial with a card. Available fields vary by source. Unsubscribe anytime.

877
Indexed Permits
2026-11-02
Last Updated
Source date: 2026-11-01

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New permits and property activity sent when new public records are available.

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Published permit & code records

Permit data through 2026-11-01

877 permits sorted by date

⇄ Swipe or scroll to see address & contractor

Date Type Value Address Details Contractor / Status Save
2026-09-17 Plumbing
Source type: Commercial Plumbing
— 9571 FAIRFAX BLVD Sewer Lateral Install and water service extension with new meter crock, yoke, an… line work New installation —
2026-09-17 General Construction
Source type: Residential Alteration
— 4199 UNIVERSITY DR Fix the leak in basement in the front part of the house and black mold remediati… residential —
2026-09-17 Interior Renovation
Source type: Residential Alteration
— 10226 ANTIETAM AVE KITCHEN REMODELING PROJECT THAT INCLUDES NEW CABINET ANDF COUNTERTOP INSTALLATIO… —
2026-09-16 Plumbing
Source type: Residential Plumbing
— 3859 FARRCROFT DR kitchen remodel pull/replace, no gas replacement —
2026-09-16 Electrical
Source type: Residential Electrical
— 10843 WARWICK AVE New electrical work for the new house addition. residential New installation New construction —
2026-09-16 Demolition
Source type: Commercial Alteration/Interior Demo
— 10306 EATON PL Furnish and install 1 traction elevator —
2026-09-16 HVAC
Source type: Commercial Mechanical
— 10300 EATON PL Mechanical for interior alteration - VAV box, ductwork and diffusers —
2026-09-16 Demolition
Source type: Commercial Alteration/Interior Demo
— 9642 MAIN ST TENANT FIT OUT OF AN EXISTING TENANT SPACE FOR NEW KILWINS. INTERIOR DEMOLITION … —
2026-09-16 General Construction
Source type: Residential Gas
— 3508 SPRING LAKE TER gas water heater replacement residential —
2026-09-16 Plumbing
Source type: Residential Plumbing
— 3983 BALLYNAHOWN CIR Installation of a new lawn irrigation system with back-flow device to be install… —
2026-09-16 General Construction
Source type: Residential Gas
— 4194 LORD CULPEPER LN replace existing gas water heater without modification using existing piping – l… residential —
2026-09-15 Electrical
Source type: Residential Electrical
— 3801 CAROLYN AVE The replacement of a 200 amp electrical service panel with a 200 amp electrical … 200A service panel replacement Panel service —
2026-09-15 Electrical
Source type: Residential Electrical
— 3135 FAIR WOODS PKWY panel replacement 200 to 200amps 200A replacement —
2026-09-15 General Construction
Source type: Residential Gas
— 4118 CHESTNUT ST Replacement of direct vent gas freestanding stove. residential —
2026-09-15 General Construction
Source type: Amendments
— 9903 BARBARA ANN LN No change from the original scope of work —
2026-09-15 Roofing
Source type: Residential Alteration
— 3512 PINEHURST AVE remove and replace roof replacement —
2026-09-15 General Construction
Source type: Amendments
— 10420 MAIN ST Add fire retardant treated plywood inside some interior partitions. Sheets revis… —
2026-09-15 HVAC
Source type: Residential Mechanical
— 3948 BRADWATER ST Heat pump and air handler replacement heat pump replacement HVAC replacement —
2026-09-15 General Construction
Source type: Residential Gas
— 3242 SHERMAN ST Gas lines installation for 2 fireplaces and 1 gas grill. residential —
2026-09-15 Demolition
Source type: Commercial Structure Demo
— 3790 PICKETT RD Scope of Work: Removal of all meters and control valves on the lines from all 3 … —
2026-09-15 Electrical
Source type: Commercial Electrical
— 10015 MAIN ST 38 new ooutlets 87 new 2x2 lights 19 4ft linear lights 55 suspended lights 20 le… 200A New installation —
2026-09-15 HVAC
Source type: Residential Mechanical
— 3848 FARR OAK CIR Replacement of existing HVAC equipment replacement HVAC replacement —
2026-09-15 Landscaping & Exterior
Source type: Amendments
— 9910 MAIN ST The proposed work will include removal and replacement of the existing concrete … —
2026-09-14 Electrical
Source type: Residential Electrical
— 3716 FARR AVE replace 200 amp panel 200A replacement —
2026-09-14 Electrical
Source type: Commercial Electrical
— 10384 FAIRFAX BLVD Fit Body Boot Camp Tenant Exterior Signage, Install a circuit to exterior sign c… —
2026-09-14 Electrical
Source type: Commercial Electrical
— 10258 MAIN ST Commercial Electrical —
2026-09-14 Demolition
Source type: Commercial Alteration/Interior Demo
— 9854 MAIN ST interior tenant improvement of an existing dental office. work includes demoliti… —
2026-09-14 Plumbing
Source type: Commercial Plumbing
— 3750 BLENHEIM BLVD Provide temporary water service for construction site entrance. Roughly 200 LF f… line work —
2026-09-14 General Construction
Source type: Residential Alteration
— 10835 WOODHAVEN DR Installation of 14 LNFT Supplemental S4 Beam, 4 IntelliJacks, and 40 LNFT Floor … residential —
2026-09-14 General Construction $2,500 42 BAYWOOD CANYON RD, FAIRFAX, CA 94930 — residential TESLA ENERGY OPERATIONS INC
2026-09-14 Electrical
Source type: Commercial Electrical
— 3159 DRAPER DR Installation of CCTV and Access Control System —
2026-09-12 Demolition
Source type: Commercial Alteration/Interior Demo
— 9854 MAIN ST Commercial Alteration/Interior Demo —
2026-09-11 General Construction $3,500 26 MANOR VIEW, FAIRFAX, CA 94930 — residential THOMPSON ELECTRIC
2026-09-11 General Construction
Source type: Residential Gas
— 4314 CHAIN BRIDGE RD Replace gas cooktop residential —
2026-09-11 General Construction
Source type: Residential Alteration
— 4141 EVERGREEN DR Tub to shower Conversion. Only Wet Area. No structural Change. The plumbing supp… residential —
2026-09-11 Electrical
Source type: Residential Electrical
— 10303 SHILOH ST new deck and sun room electrical work: 3 new circuits 1 ceiling fan 4 recessed l… 3 circuits New installation —
2026-09-11 General Construction
Source type: Residential Gas
— 10007 BLUE COAT DR Exact replacement of 50K BTU gas Water Heater residential —
2026-09-11 General Construction
Source type: Residential Alteration
— 3813 TEDRICH BLVD 25' LF of waterguard & cleanspace. Supersump Plus w/ iceguard, 25' LF exterior d… residential —
2026-09-11 Electrical
Source type: Residential Electrical
— 10918 MILBURN ST Installation of solar panels on existing residential roof. 15.84 kW. Addition of… 60A solar New installation —
2026-09-11 HVAC
Source type: Commercial Mechanical
— 10340 DEMOCRACY LN Relocate 2 supply registers and add 2 new return grilles New installation HVAC installation —
2026-09-11 Electrical
Source type: Residential Electrical
— 4132 ROBERTS RD To Install 4 Outlets 1 Circuit for Microwave 7 Recessed Lights 1 Under Cabinet L… 1 circuits New installation —
2026-09-11 General Construction
Source type: Commercial Gas
— 10015 MAIN ST Run new gas line to connect (3) gas heating equipment and (2) gas hot water heat… commercial —
2026-09-11 Plumbing
Source type: Residential Plumbing
— 4132 ROBERTS RD To Relocate 1 Water Line for refrigerator To Disconnect and Reconnect 1 Kitchen … line work —
2026-09-11 Electrical
Source type: Commercial Electrical
— 9600 MAIN ST, G 2- A/C power connection. —
2026-09-11 HVAC
Source type: Residential Mechanical
— 4132 ROBERTS RD To Install 1 Range Hood 1 Range Hood vent Out New installation HVAC installation —
2026-09-10 Plumbing
Source type: Commercial Plumbing
— 4315 CHAIN BRIDGE RD 6” Storm drain repair ×2 —
2026-09-10 Demolition
Source type: Residential Demolition
— 10606 OLIVER ST New SFH —
2026-09-10 General Construction
Source type: Residential Gas
— 3616 CORNELL RD Exact replacement gas water heater residential —
2026-09-10 General Construction
Source type: Residential Alteration
— 10566 ASSEMBLY DR Installation of 4 Push Piers, 34 LNFT Basement Gutter, and 1 Sump Pump w/backup. residential —
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Permit Types in Fairfax

The official source did not publish a permit type for 227 records; the chart reflects only source-classified permits.

Construction Activity in Fairfax

New building permits in Fairfax, California show where construction activity is occurring. Filter the public records by trade, date, address, and project value to research active projects and property activity. Contractor names are available on some current records; contact coverage varies by filing.

About Fairfax Building Permits

Fairfax, California processes building permits covering residential construction, commercial buildouts, renovations, and specialty trade work. PermitGrab tracks 877+ Fairfax building permits — newest permit date: 2026-11-01 from official city sources.

Each record can show the project address, scope, permit type, and value where the city publishes them. Some current permit records include source-published contractor names; coverage varies by filing. PermitGrab does not represent this as contractor-contact coverage. Where property-owner records are available, they are matched to permit addresses separately.

How to use Fairfax permit data

Filter the current records by trade, date, address, or project value to research construction activity. The most useful workflow in this market is verifying the project signal first, then using the property data that is actually available for that address.

PermitGrab methodology · Page data current as of · Source: Marin County Building Permits - Fairfax.

Who appears in Fairfax permit records?

PermitGrab indexes 877 building permits in Fairfax. New records appear as they are available from the source.

How fresh is Fairfax permit data?

The most recent permit indexed for Fairfax is dated 2026-11-01. Newest permit date: 2026-11-01. Permit records carry filing date, address, project value, and permit type, plus contractor name where the source publishes it. Use a recent published record for project research; it does not show bid availability or a request for service.

What construction appears in Fairfax permit records?

Fairfax permit activity covers 877 indexed permits. The records can cover new construction, residential renovations, mechanical/electrical/plumbing upgrades, roof replacements, demolitions, or tenant improvements. Their usefulness for a contractor or supplier depends on the published project details, timing, and service area.

How to look up Fairfax building permits

Search recent Fairfax, CA building permits by address, and permit type in the table above — pulled from the Fairfax building department's public permit records. New filings appear here as they are published. Filter by trade or search an address to look up a specific permit. For this week's filing volume, see the Fairfax Permit Pulse.

Nearby California Cities — explore building permits in other California cities

Monitor Fairfax permit & property activity

Email alerts when new public records are available for new permits and property activity. Contractor names are shown where the current public filing includes them; contact coverage varies by record. Owner information is shown only where it can be matched from available public records.

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Frequently Asked Questions about Fairfax Building Permits

How many building permits does PermitGrab track in Fairfax?

PermitGrab currently tracks 877 building permits in Fairfax, California. Data is pulled directly from the official municipal source on every collection cycle and includes permit number, address, permit type, status, estimated value, and contractor information where the source publishes it.

How fresh is the Fairfax permit data?

PermitGrab checks the official source on each collection cycle. The source date and its observed update cadence are shown above, so you can judge the data’s recency before acting on it.

How can contractors find construction leads in Fairfax?

Contractors can research Fairfax activity by filtering current permits by trade, location, and project type. Some current permit records include contractor names; use those source-published names alongside the project details. Property information is shown only where public records can be matched.

What’s included in the 14-day trial?

The 14-day trial includes full Pro access to Fairfax — CSV export, trade and value-tier filters, lead scoring, and violation cross-reference flags. Some current permit records include source-published contractor names; contact fields appear only where published or matched. Property information is available only where public records can be matched. Card required to start; cancel anytime before day 14.

Can I cancel anytime?

Yes. Cancel any time from your account page — no contracts, no cancellation fees. Your subscription stays active through the end of the current billing period.

Who buys this data?

Fairfax permit data, by use case

Same data, different angle. Pick the playbook that matches what you sell.

Home service companies
An addition or remodel can be useful project context for HVAC, plumbing, or warranty outreach. Review the project signal before outreach.
Solar installers
Roof permits and electrical upgrades in Fairfax provide project context for solar-market research. Filter by the current project signal and verify ownership separately.
Insurance agents
Fairfax renovations can identify properties for a policy-review workflow. Confirm coverage needs independently before contacting a property owner.
Material suppliers & manufacturer reps
Choose a product-line research workflow, then use published job type, description, and value fields where available for territory and demand research. A permit is not a materials order, purchase signal, or open bid.
Developers & new construction
Sort source-published new-construction records by project value and type to research active projects and property activity.
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