San Mateo County Building Permits & Project Research

2,131 indexed permits · 368 contractor names in the last 90 days · San Mateo County, California.

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San Mateo County building permits — key stats
Active contractors 368
Newest permit 2026-11-02

PermitGrab tracks 2,131 building permits in San Mateo County, CA as of 2026-11-02, including 368 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
368
Contractor names (90 days)
2026-11-02
Last Updated
Source date: 2026-11-02

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

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Published permit & code records

Permit data through 2026-11-02
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2,131 permits sorted by date

Project value is blank on every record displayed here, so the Value column is omitted.

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Date Type Address Details Contractor / Status Save
2026-10-16 Solar
Source type: PV Solar
48 Bel Aire LN, SAN MATEO CA 94402-0000 PHOTOVOLTAIC ROOF MOUNT SYSTEM 10 MODULES-ROOF MOUNTED - 4.400 kW DC, 7.600 KW A… 4.4 kW 10 panels solar Solar PV NEXT SOLAR INC
📞 (•••) •••-••••
2026-10-16 Fire Protection
Source type: Fire Systems
167 AVENUE PORTOLA, EL GRANADA CA 94018-0000 Installation of a new NFPA 13D Fire sprinkler system in a detached garage. sprinkler THORPE DESIGN INC
📞 (•••) •••-••••
2026-10-16 Electrical
Source type: Auto Issue Permit
670 10TH Ave, Menlo Park CA 94025-0000 SYMBIUM-project_15bac3c3-9284-4602-b011-523702a5be0d:Install 9 PV modules (3.915… solar New installation LUNDY SOLAR AND ROOFING COMPANY
📞 (•••) •••-••••
2026-10-16 Electrical
Source type: Electrical Service Upgrade
460 LA MESA DR, PORTOLA VALLEY CA 94028-0000 Is this a residential or commercial project?: Residential Are you doing lighting… 300A service panel Panel service BURINGRUD & REYES ELECTRIC INC
Contact details pending
2026-10-16 Solar
Source type: Auto Issue Permit
1740 CORDILLERAS Rd, Redwood City CA 94062-0000 SYMBIUM-project_0b477dec-d265-4f18-99b6-3ef6b463235d:Install 9 PV modules (3.96K… 3.96 kW solar Solar PV SOLEEVA ENERGY INC
📞 (•••) •••-••••
2026-10-16 Roofing
Source type: Re-Roof
2159 SANTA CRUZ AVE, MENLO PARK CA 94025-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… replacement JIREH INC
📞 (•••) •••-••••
2026-10-16 Addition
Source type: Commercial Addition / Alteration / Tenant Improvement / Change of Occupancy or Use
620 AIRPORT WAY, SUITE 7, SAN CARLOS CA 94070-0000 Combine existing 570 sqft office (Suite 7) with adjoining smaller 175 sqft offic… A M D GENERAL CONSTRUCTION INC
Contact details pending
2026-10-16 Windows & Doors
Source type: Window or Door
256 6TH ST, MONTARA CA 94037-0000 Commercial/Residential: Residential Are the windows and doors being replaced siz… JEMICO LLC
📞 (•••) •••-••••
2026-10-16 Windows & Doors
Source type: Window or Door
517 OAK PARK WAY, REDWOOD CITY CA 94062-0000 Commercial/Residential: Residential Are the windows and doors being replaced siz… CUSTOM EXTERIORS INC
📞 (•••) •••-••••
2026-10-16 Plumbing 2083 QUEENS LN, SAN MATEO CA 94402-0000 Is this a residential or commercial project?: Residential Sewer line: CHECKED Ar… line work replacement GENERAL DRAINWORKS INC
📞 (•••) •••-••••
2026-10-16 Electrical
Source type: Auto Issue Permit
496 5TH Ave, Redwood City CA 94025-0000 SYMBIUM-project_c658ac52-0fc1-4715-803d-df321ba45659:200 A panel upgrade; instal… 200A service panel, batter… New installation Panel service SUNRUN INSTALLATION SERVICES INC
📞 (•••) •••-••••
2026-10-16 Addition
Source type: Residential Addition / Alteration to Existing Residence
221 W FLORESTA WAY, PORTOLA VALLEY CA 94028-0000 Addition and alteration to existing single-family residence including 132 SF con… EAS SOLUTIONS INC
Contact details pending
2026-10-16 Solar
Source type: PV Solar
58 Bel Aire LN, SAN MATEO CA 94402-0000 PHOTOVOLTAIC ROOF MOUNT SYSTEM 10 MODULES-ROOF MOUNTED - 4.400 kW DC, 7.600 KW A… 4.4 kW 10 panels solar Solar PV NEXT SOLAR INC
📞 (•••) •••-••••
2026-10-16 Landscaping & Exterior
Source type: Deck / Patio / Porch
438 CREST DR, REDWOOD CITY CA 94062-0000 replace damaged deck same size and layout 470 sq.ft. FLYINGHAMMER INC
Contact details pending
2026-10-16 Landscaping & Exterior
Source type: Landscaping / Retaining Wall
221 W FLORESTA WAY, PORTOLA VALLEY CA 94028-0000 Modify existing residential driveway in conjunction with attached garage additio… ×2 —
2026-10-15 Roofing
Source type: Residential Addition / Alteration to Existing Residence
25 SEKI CT, REDWOOD CITY CA 94062-0000 ADDED SCOPE - SEPERATE INSULATION PERMIT Re-roof reference permit: #BLD2026-0229… 1,600 roof sf replacement Re-roof ELM ROOFING CONTRACTORS INC
📞 (•••) •••-••••
2026-10-15 Other
Source type: Building Permit Revision
167 AVENUE PORTOLA, EL GRANADA CA 94018-0000 Removed Detached Garage from Main system to its own system. THORPE DESIGN INC
📞 (•••) •••-••••
2026-10-15 Electrical
Source type: Auto Issue Permit
155 AVENUE GRANADA, El Granada CA 94018-0000 SYMBIUM-project_0a03d1e4-0bcd-41d6-a633-cae038a1ca90:225 A panel upgrade; instal… 225A service panel, solar New installation Panel service BETTER EARTH ELECTRIC INC
📞 (•••) •••-••••
2026-10-15 Roofing
Source type: Re-Roof
814 TIERRA ALTA ST, MOSS BEACH CA 94038-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… replacement HIGH POINT ROOFING SERVICES
📞 (•••) •••-••••
2026-10-15 Electrical
Source type: Electric Vehicle Charger
688 12TH AVE, MENLO PARK CA 94025-0000 48A EV outlet installation 48A EV charger New installation SUNVAULT
Contact details pending
2026-10-15 Roofing
Source type: Re-Roof
1890 CAMINO A LOS CERROS, MENLO PARK CA 94025-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… replacement SABER ROOFING INC
📞 (•••) •••-••••
2026-10-15 Temporary
Source type: Temporary Power Pole
215 SYLVAN WAY, REDWOOD CITY CA 94062-0000 temp power DRIVEN CONSTRUCTION LLC
Contact details pending
2026-10-15 Signage
Source type: Signs and Awnings Permit
2693 EL CAMINO REAL, REDWOOD CITY CA 94063-0000 install signage TRACY SIGN INC
Contact details pending
2026-10-15 Windows & Doors
Source type: Window or Door
3068 OAK KNOLL DR, REDWOOD CITY CA 94062-0000 Window or Door —
2026-10-15 Other
Source type: Building Permit Revision
1585 LEXINGTON AVE, SAN MATEO CA 94402-0000 As-built drainage installation as requested by inspector. ×2 —
2026-10-15 Addition
Source type: Commercial Addition / Alteration / Tenant Improvement / Change of Occupancy or Use
455 6TH AVE, MENLO PARK CA 94025 Work to be completed at 620 Airport Way, Suite 7, San Carlos CA 94070. Combine e… —
2026-10-15 Landscaping & Exterior
Source type: Landscaping / Retaining Wall
1909 CAMINO DE LOS ROBLES, MENLO PARK CA 94025-0000 New 1100 sf permeable concrete brick paver driveway. New 850 sf concrete steppin… —
2026-10-15 Demolition
Source type: Demolition (Minor / Major / Pool)
1909 CAMINO DE LOS ROBLES, MENLO PARK CA 94025-0000 Demolish existing home with attached ADU and free-standing accessory office shed… —
2026-10-15 Solar
Source type: PV Solar
1909 CAMINO DE LOS ROBLES, MENLO PARK CA 94025 Rooftop photovoltaic array of thirty 40" X 80" panels in three groupings (roughl… 40 kWh battery solar Solar PV —
2026-10-15 Signage
Source type: Signs and Awnings Permit
2693 EL CAMINO REAL, REDWOOD CITY CA 94063-0000 install signage —
2026-10-14 Interior Renovation
Source type: Residential Addition / Alteration to Existing Residence
3068 OAK KNOLL DR, REDWOOD CITY CA 94062-0000 Demolition of kitchen cabinets, replacement for kitchen cabinets like for like, … like for like replacement HVAC changeout PREMIER REMODELING CALI LLC
Contact details pending
2026-10-14 Demolition
Source type: Demolition (Minor / Major / Pool)
2160 AVY AVE, MENLO PARK CA 94025-0000 Demolition of Single family home. SAMARA LIVING INC
📞 (•••) •••-••••
2026-10-14 Electrical
Source type: Electric Vehicle Charger
40 W SUMMIT DR, REDWOOD CITY CA 94062-0000 From main panel 50amp breaker adding for EV charger installed next the main pane… 50A EV charger OZDEMIR BATILI YILDIZ
Contact details pending
2026-10-14 Landscaping & Exterior
Source type: Auto Issue Permit
1582 BRANDYWINE Rd, San Mateo CA 94402-0000 SYMBIUM-project_a13d841f-94d9-4642-8688-84d14d02cb79:Install 1 ESS unit, locatio… battery Battery storage TESLA ENERGY OPERATIONS INC
📞 (•••) •••-••••
2026-10-14 Roofing
Source type: Re-Roof
3249 ALPINE RD, PORTOLA VALLEY CA 94028-0000 Is this a residential or commercial project?: Commercial Class of roof: Class A … replacement MACHU PICCHU ROOFING INC
📞 (•••) •••-••••
2026-10-14 Electrical
Source type: Water Heater
1361 ORANGE AVE, MENLO PARK CA 94025-0000 Is this a residential or commercial project?: Residential System Type: Tankless … replacement MIKE COUNSIL PLUMBING LLC
📞 (•••) •••-••••
2026-10-14 HVAC
Source type: HVAC, Furnace, Air Conditioning, and Heat Pump
643 VISTA DR, REDWOOD CITY CA 94062-0000 Commercial/Residential: Residential Heat Pump: CHECKED Zoning: RH/DR What is the… furnace, heat pump replacement HVAC replacement All-Pro Heat Pump Solutions Inc.
Contact details pending
2026-10-14 Interior Renovation
Source type: Residential Addition / Alteration to Existing Residence
954 WILMINGTON WAY, REDWOOD CITY CA 94062-0000 Interior alteration/remodel of existing single-family residence including kitche… Toung Xuan Tran
Contact details pending
2026-10-14 Windows & Doors
Source type: Window or Door
596 FIFTH ST, MONTARA CA 94037-0000 Commercial/Residential: Residential Are the windows and doors being replaced siz… JEMICO LLC
📞 (•••) •••-••••
2026-10-14 Roofing
Source type: Re-Roof
770 SAN CARLOS AVE, EL GRANADA CA 94018-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… replacement KEVIN J PALMER
📞 (•••) •••-••••
2026-10-14 Roofing
Source type: Re-Roof
3249 ALPINE RD, PORTOLA VALLEY CA 94028-0000 Is this a residential or commercial project?: Commercial Class of roof: Class A … replacement Machu Picchu Roofing Inc.
Contact details pending
2026-10-14 Windows & Doors
Source type: Window or Door
1703 LEXINGTON AVE, SAN MATEO CA 94402-0000 Commercial/Residential: Residential Are the windows and doors being replaced siz… BROTHERS HOME IMPROVEMENT INC
Contact details pending
2026-10-14 Interior Renovation
Source type: Residential Addition / Alteration to Existing Residence
3760 BAY RD, MENLO PARK CA 94025-0000 INTERIOR RENOVATION AND ADDITION IN FRONT AND STREET SIDE YARD TO AN EXISTING ON… —
2026-10-14 Landscaping & Exterior
Source type: Siding and Stucco
250 LAKEVIEW WAY, REDWOOD CITY CA 94062-0000 Is this a residential or commercial project?: Residential Color: Cool Gray Manuf… like for like replacement HVAC changeout —
2026-10-14 Electrical
Source type: Electrical Service Upgrade
644 STANFORD AVE, REDWOOD CITY CA 94063-0000 ***CODE TO ACCOMPANY INSPECTIONS*** Is this a residential or commercial project?… 300A service panel Panel service —
2026-10-14 Landscaping & Exterior
Source type: Deck / Patio / Porch
CA 94025 Construction of a roofed open patio cover , a masonry BBQ and Bar , gas fire pit… —
2026-10-14 Landscaping & Exterior
Source type: Landscaping / Retaining Wall
1909 CAMINO DE LOS ROBLES, MENLO PARK CA 94025 New 1100 sf permeable concrete brick paver driveway. New 850 sf concrete steppin… —
2026-10-13 Other
Source type: Building Permit Revision
435 4TH St, Montara CA 94037-0000 Revision to Symbium permit BLD2026-02071 100/100A Backup Loads Panel has been ad… 100A HAVEN ENERGY SERVICES 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.

Research San Mateo County project activity — Pro $149/mo

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

Email alerts when new public records are available for newly published permits and recorded project-team activity. Contact details are shown only where the public source publishes them. 14-day Pro trial for alerts — card required; Pro $149/mo unlocks full available 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 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.

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.

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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