San Mateo County 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.

1,507 indexed permits · San Mateo County, California.

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San Mateo County building permits — key stats
Newest permit 2026-09-14

PermitGrab tracks 1,507 building permits in San Mateo County, CA as of 2026-09-14.

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 San Mateo County permits by trade: solar · roofing · HVAC · electrical · fire protection · new construction.

Free weekly permit summary for San Mateo County

One email a week with the newest San Mateo County 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.

1,507
Indexed Permits
Contractor count unavailable
Property Owners · count unavailable
2026-09-17
Last Updated
Updated recently · 2026-09-14

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Published permit & code records

Permit data through 2026-09-14
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1,507 permits sorted by date

Date Type Value Address Details Contractor / Status Save
2026-06-03 Fire Protection 2200 BROADWAY, REDWOOD CITY CA 94063-0000 Required fire alarm revision due to failed inspection w/ RWC Fire Dept Original … fire alarm
2026-06-03 Electrical 510 26TH AVE, SAN MATEO CA 94403 Electric Vehicle Charger EV charger
2026-06-02 Demolition 223 SAN CARLOS AVE, REDWOOD CITY CA 94061-0000 Demolish existing 1,331 sqft single family residence and detached garage. Relate… 1,331 roof sf New installation New roof
2026-06-02 Electrical 40 LOS ALTOS PL, SAN MATEO CA 94402-0000 Is this a residential or commercial project?: Residential Are you doing lighting… 300A service panel
2026-06-02 Electrical 1800 Carlos ST, CA 94038-0000 EV Chargers deferred submittal for the 71-unit affordable housing project Cypres…
2026-06-02 General Construction 2200 BROADWAY, REDWOOD CITY CA 94063 revisions to the initially approved FA drawings based on SMCFD site visits
2026-06-02 Solar 1760 MILTON ST, REDWOOD CITY CA 94061-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… 1 sq shingle
2026-06-02 Solar 265 CUESTA REAL, LA HONDA CA 94020-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… 1 sq shingle
2026-06-02 Temporary 223 SAN CARLOS AVE, REDWOOD CITY CA 94061-0000 Install 100 amp temporary power pole. Demo permit- BLD2026-01230 100A New installation
2026-06-02 General Construction 507 ENTRADA WAY, MENLO PARK CA 94025-0000 Confirmation
2026-06-02 Solar 3353 OAK KNOLL DR, REDWOOD CITY CA 94062-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… 1 sq
2026-06-02 General Construction 2200 BROADWAY, REDWOOD CITY CA 94063 revisions to the initially approved FA permit drawings based on SMCFD site visit…
2026-06-02 Pool/Spa 507 ENTRADA WAY, MENLO PARK CA 94025-0000 Renovation of primary bedroom, closet, and bathroom. Includes new sliding doors …
2026-06-02 Pool/Spa 507 ENTRADA WAY, MENLO PARK CA 94025-0000 Renovation of primary suite. Bedroom, Closet, and Bath New windows and sliding d…
2026-06-02 Roofing 240 DEDALERA Dr, Portola Valley CA 94028-0000 Revision to (BLD2026-03633) SYMBIUM-project Roof type is changed to Standing Sea… metal
2026-06-02 Solar 3961 JEFFERSON AVE, REDWOOD CITY CA 94062-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… 1 sq tile
2026-06-02 Electrical 3961 JEFFERSON AVE, REDWOOD CITY CA 94062-0000 Is this a residential or commercial project?: Residential Are you doing lighting… 300A service panel
2026-06-02 General Construction 424 6TH AVE, HALF MOON BAY CA 94019-0000 Like-for-like kitchen remodel like for like replacement HVAC changeout
2026-06-01 Electrical 360 DEVONSHIRE BLVD, SAN CARLOS CA 94070-0000 Is this a residential or commercial project?: Residential Are you doing lighting… 300A service panel
2026-06-01 HVAC/Mech CA 94038 Pre-manufactured stair, guardrail, and handrail deferred submittal for a 71-unit…
2026-06-01 Roofing 720 JACARANDA CIR, HILLSBOROUGH CA 94010 Re-Roof replacement
2026-06-01 HVAC/Mech 1354 ENCHANTED WAY, SAN MATEO CA 94402-0000 Commercial/Residential: Residential Heat Pump: CHECKED Zoning: R-1/S-8 What is t… heat pump replacement
2026-06-01 Plumbing 2047 ASHTON AVE, MENLO PARK CA 94025-0000 Is this a residential or commercial project?: Residential Sewer line: CHECKED Ar… line work replacement
2026-06-01 General Construction 244 EL REY RD, PORTOLA VALLEY CA 94028-0000 Install two lights in living room, Install new Sheetrock in the hallway and bedr…
2026-06-01 HVAC/Mech 72 FAY AVE, SAN CARLOS CA 94070-0000 1. KITCHEN REMODEL. 250.72 SQ. FT. 2. BATHROOM 1 REMODEL. 39.45 SQ. FT. 3. BATHR… 200A service panel replacement ×2
2026-06-01 Solar 121 CORONA Way, Portola Valley CA 94028-0000 SYMBIUM-project_9bcf66a5-e906-4e58-8e38-a5ab6a5f9abc:Install 52 PV modules (24.4… battery, solar New installation
2026-06-01 HVAC/Mech 1800 Carlos, CA 94038-0000 Pre-manufactured stair, guardrail, and handrail deferred submittal for a 71-unit…
2026-06-01 General Construction 72 FAY AVE, SAN CARLOS CA 94070-0000 Confirmation
2026-06-01 Electrical 102 CALIFORNIA AVE, EL GRANADA CA 94019-0000 Is this a residential or commercial project?: Residential Are you doing lighting… 300A service panel
2026-06-01 Electrical 1738 HULL AVE, REDWOOD CITY CA 94061 Electrical Service Upgrade service panel
2026-06-01 Solar 375 RADIO RD, BRISBANE CA 94005-0000 Is this a residential or commercial project?: Commercial Class of roof: Class A … 1 sq
2026-06-01 General Construction 1004 JENEVEIN AVE, SAN BRUNO CA 94066 Repair existing exterior stairway serving second floor apartment by replacing da…
2026-06-01 HVAC/Mech 24 WINDING WAY, SAN CARLOS CA 94070-0000 Adding 2 Pier Spacers. All other work remains the same.
2026-06-01 General Construction 85 JOAQUIN RD, PORTOLA VALLEY CA 94028-0000 Replacing existing driveway witht the same form and shape
2026-06-01 General Construction 438 S Sequoia Avenue AVE, UNIT, Redwood City United States Kitchen / Bath Remodel
2026-06-01 General Construction 264 DEVONSHIRE BLVD, SAN CARLOS CA 94070-0000 Convert existing detached structure info a detached ADU To replace cancelled per…
2026-06-01 Solar 400 WINDING WAY, SAN CARLOS CA 94070-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… 1 sq tile
2026-06-01 Electrical 1670 ASCENSION DR, SAN MATEO CA 94402-0000 Is this a residential or commercial project?: Residential Are you doing lighting… 300A service panel
2026-06-01 Solar 807 THE ALAMEDA, El Granada CA 94018-0000 SYMBIUM-project_39927de4-d0d8-483b-97e7-ecf03b252ecb:Install 17 PV modules (7.48… 7.48 kW battery solar
2026-06-01 Demolition 3961 JEFFERSON AVE, REDWOOD CITY CA 94062-0000 SWN2005-00026 Demolition of existing unpermitted deck located in rear and side y… 840 roof sf New installation New roof
2026-06-01 General Construction 264 DEVONSHIRE BLVD, SAN CARLOS CA 94070-0000 Confirmation
2026-05-31 Demolition 1367 BEL AIRE RD, SAN MATEO CA 94402-0000 Remove 443 SF garage 443 roof sf
2026-05-31 General Construction 1367 BEL AIRE RD, SAN MATEO CA 94402-0000 1051 SF 1-STORY ADDITION TO 1856 SF EXISTING SINGLE FAMILY HOUSE; 300 SF INTERIO… 1,051 roof sf New installation
2026-05-31 Electrical 531 MACARTHUR Dr, Colma CA 94015-0000 SYMBIUM-project_b9415aee-92ac-441f-a782-56cde45a5f87:Install 1 ESS unit, locatio… battery New installation
2026-05-31 General Construction 1367 BEL AIRE RD, SAN MATEO CA 94402-0000 Confirmation
2026-05-08 General Construction 1546 CLARET ST, BHAM AL 35214
Owner: CUR··· 🔒
NEW CONSTRUCTION HOUSE SINGLE FAMILY residential
2026-05-08 General Construction 2309 S 5TH AVE S, BHAM AL 35233 WORKSTATIONS/CUBICLES ELM ROOFING CONTRACTORS INC
📞 (•••) •••-••••
2026-05-08 Windows/Doors 1717 TIMBERCREST CIR, BHAM AL 35235
Owner: MON··· 🔒
Window Replacement RBAOFAL.COM INTEGRITY HOME SERVICES
📞 (•••) •••-••••
2026-05-07 Roofing 2000 N REV ABRAHAM WOODS JR BLVD N, BIRMINGHAM AL 35203 SCOPE: 1) Clean roof system of organic debris from all areas, around drains, & o… AC B ROOFING INC
📞 (•••) •••-••••
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Permit Types in San Mateo County
Construction Activity in San Mateo County

New building permits in San Mateo County, 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 San Mateo County Building Permits

San Mateo County, California processes building permits covering residential construction, commercial buildouts, renovations, and specialty trade work. PermitGrab tracks 1507+ San Mateo County building permits — newest permit date: 2026-09-16 from official city sources.

Each record can show the project address, scope, permit type, and value where the city publishes them. The source-published contractor records do not meet the coverage threshold for this city. 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 San Mateo County 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: Building Permits (Accela).

Who appears in San Mateo County permit records?

PermitGrab indexes 1,507 building permits in San Mateo County. New records appear as they are available from the source.

How fresh is San Mateo County permit data?

The most recent permit indexed for San Mateo County is dated 2026-09-14. Newest permit date: 2026-09-16. 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 San Mateo County permit records?

San Mateo County permit activity covers 1,507 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 San Mateo County building permits

Search recent San Mateo County, CA building permits by address, and permit type in the table above — pulled from the San Mateo County 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 San Mateo County Permit Pulse.

San Mateo County Field Reports & Contractor Guides

Source-dated research and practical resources for contractors working in San Mateo County

Historical analysis · 2026-06-20

San Mateo County Contractor List With Phone Numbers: Fresh Bay Area Permit Leads (2026)

Historical market analysis and methodology for San Mateo County. Current permit activity and available source fields are shown on this page.

Read guide →
Nearby California Cities — explore building permits in other California cities

Monitor San Mateo County 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 San Mateo County Building Permits

How many building permits does PermitGrab track in San Mateo County?

PermitGrab currently tracks 1507 building permits in San Mateo County, 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 San Mateo County 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 San Mateo County?

Contractors can research San Mateo County 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 San Mateo County — 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?

San Mateo County 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 San Mateo County provide project context for solar-market research. Filter by the current project signal and verify ownership separately.
Insurance agents
San Mateo County 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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