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
2026-06-08 General Construction 756 8TH AVE, REDWOOD CITY CA 94063-0000 Confirmation
2026-06-08 Electrical 1694 ASCENSION DR, SAN MATEO CA 94402-0000 Is this a residential or commercial project?: Residential Are you doing lighting… 300A service panel
2026-06-08 HVAC/Mech 1800 Carlos, CA 94038-0000 BUILDING 3 (Pages 18-23): Pre-manufactured stair, guardrail, and handrail deferr…
2026-06-07 Electrical 609 PALOMAR DR, REDWOOD CITY CA 94062-0000 Install a EV car charger EV charger New installation
2026-06-06 Plumbing 230 NAVARRA AVE, EL GRANADA CA 94019-0000 Is this a residential or commercial project?: Residential Sewer line: CHECKED Ar… line work replacement GEORGIO ATANA
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2026-06-06 Roofing 30 WHITE PLAINS CT, SAN MATEO CA 94402-0000 1. KITCHEN REMODEL. 209.12 SQ.FT. 2. BATH-1 REMODEL. 40.59 SQ.FT. 3. BATH-2 REMO… heat pump New installation
2026-06-06 Temporary 6650 GOLF COURSE DR, BURLINGAME CA 94010-0000 Car show on June 28th 2026. Setup will start on June 26th and go through Saturda…
2026-06-06 General Construction 30 WHITE PLAINS CT, SAN MATEO CA 94402-0000 Confirmation
2026-06-06 General Construction 847 SAN RAMON AVE, MOSS BEACH CA 94038 We are planning to use the same plan that was submitted by the contractor, but d…
2026-06-05 Solar 239 EL GRANADA BLVD, EL GRANADA CA 94019-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… 1 sq GOLDEN HEIGHTS REMODELING INC
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2026-06-05 Electrical 2275 ALLEGHENY WAY, SAN MATEO CA 94402-0000 Is this a residential or commercial project?: Residential Are you doing lighting… 300A service panel
2026-06-05 General Construction 109 LOS MONTES DR, BURLINGAME CA 94010-0000 Single family home remodel and addition Son, Inc
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2026-06-05 Roofing 110 SAN PEDRO RD, EL GRANADA CA 94019-0000 Damages due to tree impact. Scope of work includes: - R&R damaged roof framing a… replacement ICO INC
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2026-06-05 Solar 820 BUENA VISTA ST, MOSS BEACH CA 94038-0000 Is this a residential or commercial project?: Residential Class of roof: Class B… 1 sq KEVIN J PALMER
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2026-06-05 Solar 108 PECORA WAY, PORTOLA VALLEY CA 94028-0000 Class of roof: Class A Assembly Total Squares to be Replaced (1 square equals 10… 1 sq ELM ROOFING CONTRACTORS
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2026-06-05 HVAC/Mech 230 NAVARRA AVE, EL GRANADA CA 94019 Under floor Insulation Replacement replacement
2026-06-05 Roofing 151 ARBOR LN, MOSS BEACH CA 94038 Re-Roof replacement
2026-06-05 Electrical 609 PALOMAR DR, REDWOOD CITY CA 94062 Install a EV car charger EV charger New installation
2026-06-05 General Construction 445 UPTON ST, REDWOOD CITY CA 94062-0000 Unpermitted work; completely gutted interior of home. Bare down to studs
2026-06-05 HVAC/Mech 483 DENISE LN, REDWOOD CITY CA 94061-0000 • Added a new sump pump serving the new ADU. See Sheet C-4, Detail 4 on Sheet C-… New installation HVAC installation
2026-06-05 General Construction 109 LOS MONTES DR, BURLINGAME CA 94010-0000 Confirmation
2026-06-05 General Construction 110 SAN PEDRO RD, EL GRANADA CA 94019-0000 Confirmation
2026-06-04 Plumbing 3525 OAK KNOLL DR, REDWOOD CITY CA 94062-0000 Is this a residential or commercial project?: Residential Gas line: CHECKED Zoni… line work replacement JOHN A BOUDREAU PLUMBING
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2026-06-04 General Construction 308 SEQUOIA AVE, REDWOOD CITY CA 94061-0000 Is this a residential or commercial project?: Residential Color: Earthtone Manuf… like for like replacement HVAC changeout TAILOR - MAKE DEVELOPMENT INC
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2026-06-04 HVAC/Mech 1606 ASCENSION DR, SAN MATEO CA 94402-0000 Commercial/Residential: Residential AC: CHECKED Zoning: R-1/S-8 What is the valu… AC replacement Airstars Corp
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2026-06-04 Solar 308 SEQUOIA AVE, REDWOOD CITY CA 94061-0000 Is this a residential or commercial project?: Residential Class of roof: Class B… 1 sq TAILOR - MAKE DEVELOPMENT INC
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2026-06-04 HVAC/Mech 1744 LOUVAINE DR, DALY CITY CA 94015-0000 Commercial/Residential: Residential Boiler Installation: CHECKED Zoning: R-1/S-7… replacement AQUA HEATING SYSTEMS INC
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2026-06-04 Windows/Doors 819 THORNHILL DR, COLMA CA 94015-0000 Commercial/Residential: Residential Are the windows and doors being replaced siz… Cornerstone Construction
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2026-06-04 Solar 1474 PARROTT Dr, San Mateo CA 94402-0000 SYMBIUM-project_1c28f2b4-0eef-4e20-9a4b-d54551a94d86:2 x 200 A (split bus) panel… 200A service panel, solar New installation
2026-06-04 Plumbing 410 CONIL WAY, PORTOLA VALLEY CA 94028-0000 VIO2026-00096 Add half bath, recessed lighting, drywall to existing 1,280 SqFt b… tankless New installation
2026-06-04 Plumbing 1901 TERRY LN, REDWOOD CITY CA 94061-0000 Install a temporary power pole for new construction
2026-06-04 Solar 231 GRANADA Ave, El Granada CA 94018-0000 SYMBIUM-project_bb711498-f991-42ab-bae0-51560a8046af:Install 33 PV modules (14.5… 14.52 kW battery solar
2026-06-04 General Construction 704 8TH AVE, REDWOOD CITY CA 94063-0000 Confirmation
2026-06-04 HVAC/Mech 704 8TH AVE, REDWOOD CITY CA 94063-0000 - FULL DEMO OF EXISTING UN-PERMITTED STRUCTURES & MAIN HOUSE. - BUILD NEW SINGLE… furnace, heat pump New installation
2026-06-04 Fire Protection 915 CLOUD AVE, MENLO PARK CA 94025-0000 Fire Sprinkler system design and installation sprinkler
2026-06-04 HVAC/Mech 15 SIESTA CT, PORTOLA VALLEY CA 94028-0000 Commercial/Residential: Residential Furnace: CHECKED Heat Pump: CHECKED Zoning: … furnace, heat pump replacement
2026-06-04 Windows/Doors 110 N BALSAMINA WAY, PORTOLA VALLEY CA 94028-0000 Renovate existing attached ADU, renovate kitchen, bath, bedroom, add bathroom an…
2026-06-04 General Construction 823 FERDINAND AVE, EL GRANADA CA 94018-0000 Confirmation
2026-06-04 HVAC/Mech 1805 LOS ALTOS DR, SAN MATEO CA 94402-0000 Commercial/Residential: Residential Heat Pump: CHECKED Zoning: R-1/S-8 What is t… heat pump replacement
2026-06-04 Solar 1474 PARROTT DR, SAN MATEO CA 94402 This photovoltaic solar energy system project consists of 34 REC Alpha Pure-RX s… 15.64 kW battery solar
2026-06-04 General Construction 410 CONIL WAY, PORTOLA VALLEY CA 94028-0000 Confirmation
2026-06-04 General Construction 438 SEQUOIA AVE, REDWOOD CITY CA 94061-0000 kitchen remodel, update electrical
2026-06-04 General Construction 823 FERDINAND AVE, EL GRANADA CA 94018-0000 Seismic strengthening of underfloor area to reduce risk of damage per Plan set A
2026-06-03 General Construction 131 RAMONA RD, PORTOLA VALLEY CA 94028 Adding Junior ADU within the footprint of the existing foundation and outside wa…
2026-06-03 General Construction 410 BRIDGEPORT DR, EL GRANADA CA 94019-0000 Like for like deck replacement. Installation of two new footings like for like replacement HVAC changeout
2026-06-03 Electrical 510 26TH AVE, SAN MATEO CA 94403 Electric Vehicle Charger EV charger
2026-06-03 Roofing 239 SEQUOIA AVE, REDWOOD CITY CA 94061-0000 REPLACE/ADD PLYWOOD REINSTALL EXISTING WINDOWS (ADD WATER PROOFING) replacement
2026-06-03 Temporary 2051 OAKLEY AVE, MENLO PARK CA 94025-0000 Install 100 amp temporary power pole. 100A New installation
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 Fire Protection 2200 BROADWAY, REDWOOD CITY CA 94063 Fire alarm systems addition of 7 smoke detectors & 3 speakers/strobes for galler… fire alarm
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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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