San Mateo County Building Permits & Project Research

2,131 indexed permits · 363 contractor names in the last 90 days · San Mateo County, California.

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San Mateo County building permits — key stats
Active contractors 363
Newest permit 2026-11-02

PermitGrab tracks 2,131 building permits in San Mateo County, CA as of 2026-11-02, including 363 active contractors identified from filings in the last 90 days.

✓ 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:

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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 — contractors, addresses, and project values. 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.

2,131
Indexed Permits
363
Contractor names (90 days)
2026-11-02
Last Updated
Source date: 2026-11-02

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Published permit & code records

Permit data through 2026-11-02

2,131 permits sorted by date

⇄ Swipe or scroll to see address & contractor

Date Type Value Address Details Contractor / Status Save
2026-07-28 Electrical
Source type: Electric Vehicle Charger
— 25 MONTANA LN, MENLO PARK CA 94025-0000 Installation of level 2 EV charger in attached garage. EV charger New installation ELEX SOLUTIONS INC
2026-07-28 New Construction
Source type: Residential New Single Family / Multi Family / Manufactured / Detached ADU
— 1909 CAMINO DE LOS ROBLES, MENLO PARK CA 94025-0000 New/ Rebuilt single-story 1736 sf 3 bed 2 bath home with attached 370 sf ADU (be… 1,736 sf 1-story —
2026-07-28 Interior Renovation
Source type: Residential Addition / Alteration to Existing Residence
— 1392 BEL AIRE RD, SAN MATEO CA 94402 1. Relocate kitchen and remove the wall between the living room and dining room.… —
2026-07-28 Interior Renovation
Source type: Residential Addition / Alteration to Existing Residence
— 687 NORTH ST, PESCADERO CA 94060 Tearing down a room to create an open space living area and renovating the kitch… —
2026-07-28 Interior Renovation
Source type: Kitchen / Bath Remodel
— 13800 SKYLINE BLVD, WOODSIDE CA 94062-0000 Install new hood system. Deferred submittal for fire suppression system. fire suppression Mark Huckins
2026-07-28 Plumbing — 1819 PARROTT DR, SAN MATEO CA 94402-0000 Is this a residential or commercial project?: Residential Sewer line: CHECKED Ar… line work replacement PROMO PLUMBING INC
2026-07-28 Landscaping & Exterior
Source type: Deck / Patio / Porch
— 286 CORAL REEF AVE, EL GRANADA CA 94018 PROPOSED ROOF DECK OF APPROXIMATELY 369 SQ.FT WITH TREX DECKING AT REAR ELEVATIO… —
2026-07-28 Demolition
Source type: Demolition (Minor / Major / Pool)
— 915 CLOUD AVE, MENLO PARK CA 94025 Full demo of the existing home and carport —
2026-07-28 HVAC
Source type: HVAC, Furnace, Air Conditioning, and Heat Pump
— 1341 SHERMAN AVE, MENLO PARK CA 94025-0000 HVAC, Furnace, Air Conditioning, and Heat Pump furnace, heat pump —
2026-07-28 HVAC
Source type: HVAC, Furnace, Air Conditioning, and Heat Pump
— 41 INYO PL, REDWOOD CITY CA 94061-0000 Commercial/Residential: Residential Heat Pump: CHECKED Zoning: R-1/S-74 What is … heat pump replacement ARS AMERICAN RESIDENTIAL SERVICES OF CALIFORNIA INC
2026-07-28 Landscaping & Exterior
Source type: Landscaping / Retaining Wall
— 111 FEY DR, BURLINGAME CA 94010-0000 TO BUILD A NEW DRIVEWAY ON THE PROPERTY LOT. THIS IS IN RESPONSE TO VIO2025-0021… —
2026-07-28 General Construction
Source type: Residential Addition / Alteration to Existing Residence
— 544 87TH ST, COLMA CA 94015 replace in kind framing, siding two windows and sheet rock damage on car impact. replacement —
2026-07-28 Windows & Doors
Source type: Window or Door
— 731 CALIFORNIA WAY, REDWOOD CITY CA 94062-0000 Commercial/Residential: Residential Are the windows and doors being replaced siz… J J J & K INC
2026-07-28 Interior Renovation
Source type: Kitchen / Bath Remodel
— 2032 NEW BRUNSWICK DR, SAN MATEO CA 94402-0000 Remove and replace kitchen cabinets and appliances, new hardwood floor, replace … MITCHELL CONSTRUCTION
2026-07-28 Interior Renovation
Source type: Commercial Addition / Alteration / Tenant Improvement / Change of Occupancy or Use
— 208 COUNTRY CLUB DR, SOUTH SAN FRANCISCO CA 94080-0000 MODIFICATION TO AN EXISTING AT&T CELL SITE: REMOVE (6) EXISTING ANTENNAS, INSTAL… HIGH BAND CONSTRUCTION INC
2026-07-28 Electrical
Source type: Electrical Service Upgrade
— 1507 FORGE RD, SAN MATEO CA 94402-0000 Electrical Service Upgrade service panel —
2026-07-28 Addition
Source type: Residential Addition / Alteration to Existing Residence
— 172 GOULSON ST, PESCADERO CA 94060 Residential Addition / Alteration to Existing Residence —
2026-07-28 New Construction
Source type: Residential Detached Non-Habitable Accessory Structures
— 500 LE CONTE AVE, MONTARA CA 94037-0000 Add Partition within (E) 20x40 800sf Garage to create 2 separated non-conditione… 800 sf —
2026-07-28 Roofing
Source type: Re-Roof
— 55 MOUNTAIN VIEW PL, SAN MATEO CA 94402-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… solar Solar PV MOI CISNEROS ROOFING INC
2026-07-28 Landscaping & Exterior
Source type: Residential Detached Non-Habitable Accessory Structures
— 500 LE CONTE AVE, MONTARA CA 94037 Add Partition within (E) 20x40 800sf Garage to create 2 separated non-conditione… —
2026-07-28 Addition
Source type: Residential Addition / Alteration to Existing Residence
— 423 CREST DR, REDWOOD CITY CA 94062-0000 Amnesty Legalization of an Existing JADU under CA Gov Code Section 66323 (AB 253… —
2026-07-27 Roofing
Source type: Re-Roof
— 141 SHELDEN RD, LA HONDA CA 94020-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… solar Solar PV MACHU PICCHU ROOFING INC
2026-07-27 HVAC
Source type: Building Permit Revision
— 2673 ALPINE RD, PORTOLA VALLEY CA 94025-0000 GROUNDWORKS CALIFORNIA, LLC PROPOSES TO INSTALL NINE (9) CRAWLSPACE PUSH PIER AN… New installation HVAC installation GROUNDWORKS CALIFORNIA LLC
2026-07-27 Electrical
Source type: Electrical Service Upgrade
— 131 NEWTON DR, BURLINGAME CA 94010-0000 Is this a residential or commercial project?: Residential Are you doing lighting… 300A service panel WELLS ELECTRICAL INC
2026-07-27 HVAC
Source type: HVAC, Furnace, Air Conditioning, and Heat Pump
— 34 W SUMMIT DR, REDWOOD CITY CA 94062-0000 HVAC, Furnace, Air Conditioning, and Heat Pump furnace, heat pump —
2026-07-27 New Construction
Source type: Residential Addition / Alteration to Existing Residence
— 423 CREST DR, REDWOOD CITY CA 94062 Amnesty Legalization of an Existing JADU under CA Gov Code Section 66323 (AB 253… —
2026-07-27 Interior Renovation
Source type: Kitchen / Bath Remodel
— 2032 NEW BRUNSWICK DR, SAN MATEO CA 94402 Kitchen / Bath Remodel —
2026-07-27 Plumbing — 421 HILLCREST WAY, REDWOOD CITY CA 94062-0000 Is this a residential or commercial project?: Residential Sewer line: CHECKED Ar… line work replacement GENERAL DRAINWORKS INC
2026-07-27 New Construction
Source type: Residential New Single Family / Multi Family / Manufactured / Detached ADU
— 150 ARBOR LN, MOSS BEACH CA 94038 Residential New Single Family / Multi Family / Manufactured / Detached ADU residential —
2026-07-27 Interior Renovation
Source type: Kitchen / Bath Remodel
— 12 SEQUOIA CT, REDWOOD CITY CA 94061-0000 Like-for-like kitchen remodel. Replacement of cabinets, countertops, sink, and a… like for like replacement HVAC changeout BROTHER AND BROTHER BUILDERS
2026-07-27 Solar
Source type: PV Solar
— 500 BUENA VISTA AVE, REDWOOD CITY CA 94061 Removal and Reinstallation of 21 Existing Solar Panels due to Reroofing Process. solar —
2026-07-27 Windows & Doors
Source type: Window or Door
— United States Window or Door —
2026-07-27 New Construction
Source type: Residential New Single Family / Multi Family / Manufactured / Detached ADU
— 1163 NIMITZ DR, COLMA CA 94015 521 square feet addition to the second floor. Addition of two bedrooms and one f… 521 sf —
2026-07-27 Solar
Source type: Auto Issue Permit
$11,000 1336 AMERICAN Way, Menlo Park CA 94025-0000 SYMBIUM-project_0e9749fa-3be9-4405-961e-a9907591df1d:Install 9 PV modules (3.915… 3.915 kW solar LUNDY SOLAR AND ROOFING COMPANY
2026-07-27 Roofing
Source type: Re-Roof
— 55 MOUNTAIN VIEW PL, SAN MATEO CA 94402 Re-Roof replacement —
2026-07-27 General Construction
Source type: Residential Addition / Alteration to Existing Residence
— 1163 NIMITZ DR, COLMA CA 94015 521 square feet addition on second floor; addition of two bedrooms and one full … 521 sf —
2026-07-27 Roofing
Source type: Re-Roof
— 230 NIMITZ AVE, REDWOOD CITY CA 94061-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… solar Solar PV JIREH INC
2026-07-27 Plumbing
Source type: Building Permit Revision
— 3841 ALAMEDA DE LAS PULGAS, MENLO PARK CA 94025-0000 Only civil drainage review needed. The only change is pavers to concrete path as… —
2026-07-27 Solar
Source type: Auto Issue Permit
$14,000 2026 HULL Ave, Redwood City CA 94061-0000 SYMBIUM-project_fe2b21be-5361-4ef5-b9eb-575442ea319e:Install 17 PV modules (7.48… 7.48 kW battery solar SOLAR ENGINEERING LLC
2026-07-27 Landscaping & Exterior
Source type: Information Notice
— 107 VALDEFLORES DR, BURLINGAME CA 94010-0000 call came in about concerns of an addition to the home and a potential pool inst… —
2026-07-24 Plumbing — 1615 YORKTOWN RD, SAN MATEO CA 94402-0000 Is this a residential or commercial project?: Residential Sewer line: CHECKED Ar… line work replacement DISCOUNT PLUMBING ROOTER SERVICES LLC
2026-07-24 HVAC
Source type: HVAC, Furnace, Air Conditioning, and Heat Pump
— 123 PHILLIPS LN, WOODSIDE CA 94062-0000 Commercial/Residential: Residential Heat Pump: CHECKED Zoning: R-1/S-11 What is … heat pump replacement ALTERNATIVE HEATING AND AIR CONDITIONING SOLUTIONS INC
2026-07-24 Interior Renovation
Source type: Residential Addition / Alteration to Existing Residence
— 622 VISTA DR, REDWOOD CITY CA 94062 INTERIOR REMODEL TO TWO STORY, SINGLE FAMILY HOME WITH A DETACHED ONE CAR GARAGE —
2026-07-24 Landscaping & Exterior
Source type: Deck / Patio / Porch
— 899 ETHELDORE ST, MOSS BEACH CA 94038-0000 Repair existing 104.7 sq.ft. uncovered deck & stairs. Code violation case number… Alex Tzang
2026-07-24 New Construction
Source type: Residential New Single Family / Multi Family / Manufactured / Detached ADU
— 254 COUNTRY CLUB DR, SOUTH SAN FRANCISCO CA 94080-0000 Legalize unpermitted detached Accessory Dwelling Unit with 1 bathroom, kitchen, … residential —
2026-07-24 Roofing
Source type: Re-Roof
— 550 LANCASTER AVE, MOSS BEACH CA 94038-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… solar Solar PV Roofer
2026-07-24 HVAC
Source type: HVAC, Furnace, Air Conditioning, and Heat Pump
— 1216 BELLAIR WAY, MENLO PARK CA 94025-0000 HVAC, Furnace, Air Conditioning, and Heat Pump furnace, heat pump —
2026-07-24 Roofing
Source type: Re-Roof
— 2049 SANTA CRUZ AVE, MENLO PARK CA 94025-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… solar Solar PV SAN MATEO CAL - KIWI ROOFING INC
2026-07-24 Interior Renovation
Source type: Residential New Single Family / Multi Family / Manufactured / Detached ADU
— 2059 TICONDEROGA DR, SAN MATEO CA 94402-0000 1. New 188 SF Addition 2. Remodel 292 SF Kitchen & Dining George Wong
2026-07-24 Electrical
Source type: Water Heater
— 123 PHILLIPS LN, WOODSIDE CA 94062-0000 Is this a residential or commercial project?: Residential System Type: Heat Pump… 300A service panel replacement ALTERNATIVE HEATING AND AIR CONDITIONING SOLUTIONS 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 being recorded. Contractors can filter the available public records by trade, date, address, and project value to research projects and plan outreach using the fields the source publishes.

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 2,131+ San Mateo County building permits — newest permit date: 2026-11-02 from this listing's source.

Building permits in San Mateo County can document new construction, renovations, and specialty work. The fields in a public record vary by filing, but may include a project address, scope, estimated cost, or contractor name. Use the displayed source information to evaluate whether a record is useful for your market research.

How Contractors Use San Mateo County Permit Data

HVAC contractors, electricians, plumbers, and roofers can use San Mateo County building-permit records to research visible construction activity. A permit may signal a project that is relevant to a particular trade, but the source record does not establish that its owner is seeking a bid.

Use the published date, project details, and any named business contact to research a project before outreach. Public records are not exclusive, and outreach results depend on the market, project, and your own process.

Eligible subscribers can receive trade-filtered alerts when new records are collected. Alert timing and field coverage follow the underlying source rather than a universal schedule.

PermitGrab methodology · Page data current as of · Source: Building Permits (Accela).

Who appears in San Mateo County permit records?

PermitGrab indexes 2,131 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 2026-11-02. Newest permit date: 2026-11-02. 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 2,131 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.

1 workflow for San Mateo County research

Start with the published project record.

🕵️

The project-team lookup

Search a business name to review its recorded permit activity in San Mateo County and the project details the public source publishes. Use the scope, timing, and address to research complementary work; a record is not a request for bids.

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How to look up San Mateo County building permits

Search recent San Mateo County, CA building permits by address, contractor, 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 and the most active contractors, 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

Research San Mateo County project activity

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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 2,131 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 find leads in San Mateo County by filtering PermitGrab by trade and ZIP code, then researching the recorded contractor and project activity. Contact details appear only where a public record includes them; saved-search email alerts track new matching records as they are published.

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. Contractor phone and website reveals are included where source-published. Card required to start; cancel anytime before day 14.

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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.

Contractors & subs
Recent San Mateo County contractor activity is a signal for labor and material demand. Contact details appear only where the public source publishes them.
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, with contractor details where the record publishes them.
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