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
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2,131 permits sorted by date

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Date Type Value Address Details Contractor / Status Save
2026-08-10 Roofing
Source type: Re-Roof
— 17 STOWE LN, MENLO PARK CA 94025 Re-Roof replacement Re-roof —
2026-08-09 Interior Renovation
Source type: Kitchen / Bath Remodel
— 1571 FORGE RD, SAN MATEO CA 94402-0000 remodel 2 baths and legalize new (1) new bathroom increasing the bathroom amount… like for like replacement HVAC changeout —
2026-08-09 Addition
Source type: Residential Addition / Alteration to Existing Residence
— 260 S CASTANYA WAY, PORTOLA VALLEY CA 94028 Residential Addition / Alteration to Existing Residence —
2026-08-08 Interior Renovation
Source type: Residential Addition / Alteration to Existing Residence
— 1690 CORDILLERAS RD, REDWOOD CITY CA 94062-0000 NEW MASTER SUITE ADDITION AND EXPANSION OF EXISTING BATHROOM.  CONVERT EXISTING … 1,031 roof sf New installation New roof SANCHEZ CONSTRUCTION SERVICES
📞 (•••) •••-••••
2026-08-08 Demolition
Source type: Demolition (Minor / Major / Pool)
— 180 MARKHAM AVE, REDWOOD CITY CA 94063-0000 This is to be the demolition of an existing Single Family Residence. The tree li… ×2 —
2026-08-07 Solar
Source type: Auto Issue Permit
$29,732 140 CORAL REEF Ave, El Granada CA 94018-0000 SYMBIUM-project_7daef25d-d0f6-4c7d-bd33-2b922f4547d6:Install 13 PV modules (5.85… 5.85 kW battery solar Battery storage SUNRUN INSTALLATION SERVICES INC
📞 (•••) •••-••••
2026-08-07 Roofing
Source type: Commercial Addition / Alteration / Tenant Improvement / Change of Occupancy or Use
— 86 CANADA RD, WOODSIDE CA 94062-0000 MAINTENANCE AND REPAIRS TO THE HISTORIC CLOCKTOWER CUPOLA, A 140 SF ROOFTOP ELEM… 140 roof sf metal replacement Roof repair CELLO & MAUDRU CONSTRUCTION COMPANY INC
📞 (•••) •••-••••
2026-08-07 HVAC
Source type: HVAC, Furnace, Air Conditioning, and Heat Pump
— 715 FRANCISCO ST, EL GRANADA CA 94018-0000 Commercial/Residential: Residential Heat Pump: CHECKED Zoning: R-1/S-17/DR/CD Wh… AC, furnace, heat pump replacement HVAC replacement SUPER BROTHERS PLUMBING HEATING &…
📞 (•••) •••-••••
2026-08-07 Electrical
Source type: Electrical Service Upgrade
— 2004 NEW BRUNSWICK DR, SAN MATEO CA 94402-0000 Is this a residential or commercial project?: Residential Are you doing lighting… 300A service panel Panel service EMINENT ELECTRICAL INC
📞 (•••) •••-••••
2026-08-07 Roofing
Source type: Re-Roof
— 571 FRANCISCO ST, EL GRANADA CA 94018-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… replacement LIFETIME ROOFING & RENOVATION INC
📞 (•••) •••-••••
2026-08-07 Interior Renovation
Source type: Kitchen / Bath Remodel
— 1912 LOS ALTOS DR, SAN MATEO CA 94402-0000 Remodel existing bathroom with new vanity, shower, private toilet partition wall… KNB TILE AND STONE INC
📞 (•••) •••-••••
2026-08-07 Interior Renovation
Source type: Residential Addition / Alteration to Existing Residence
— 1312 PARROTT DR, SAN MATEO CA 94402-0000 PROJECT SCOPE: KITCHEN REMODEL/ADDITION MASTER BEDROOM REMODEL/ADDITION GUEST BE… SEA CONSTRUCTION INC
📞 (•••) •••-••••
2026-08-07 Roofing
Source type: Re-Roof
— 3 WILDWOOD LN, MENLO PARK CA 94025-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… replacement FIRST TIER EXTERIOR INC
📞 (•••) •••-••••
2026-08-07 Solar
Source type: Auto Issue Permit
$18,325 759 87TH St, Colma CA 94015-0000 SYMBIUM-project_8183d861-35e6-4b7d-98ba-43846e6506bd:Install 13 PV modules (5.33… 5.33 kW battery solar Battery storage BETTER EARTH ELECTRIC INC
📞 (•••) •••-••••
2026-08-07 Landscaping & Exterior
Source type: Landscaping / Retaining Wall
— 1523 FORGE RD, SAN MATEO CA 94402-0000 THE PROJECT CONSISTS OF A SUBSTANTIAL INTERIOR AND EXTERIOR REMODEL OF AN EXISTI… TED CONSTRUCTION LLC
📞 (•••) •••-••••
2026-08-07 Interior Renovation
Source type: Residential Addition / Alteration to Existing Residence
— 1199 DATE ST, MONTARA CA 94037 CONVERT APPROXIMATELY 840 SQ.FT OF EXISTING ATTIC SPACE TO SECOND FLOOR DWELLING… —
2026-08-07 Addition
Source type: Residential Addition / Alteration to Existing Residence
— 3071 GLENDALE AVE, REDWOOD CITY CA 94063 1- REMOVE EXISTING 558 SF PORCH TO ADD A 681 SF HOUSE ADDITION. 2- REMODEL EXIST… 558 roof sf New installation New roof —
2026-08-07 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… —
2026-08-07 Electrical
Source type: Electrical Service Upgrade
— 6 ROCKWOOD CT, SAN MATEO CA 94403 Electrical Service Upgrade service panel Panel service —
2026-08-07 Electrical
Source type: Electric Vehicle Charger
— 845 VIEWRIDGE DR, SAN MATEO CA 94403 Electric Vehicle Charger EV charger —
2026-08-07 Roofing
Source type: Re-Roof
— 105 SAN LUCAS AVE, MOSS BEACH CA 94038 Re-Roof replacement Re-roof —
2026-08-06 Roofing
Source type: Re-Roof
— 86 CANADA RD, WOODSIDE CA 94062-0000 Is this a residential or commercial project?: Commercial Class of roof: Class A … replacement CELLO & MAUDRU CONSTRUCTION COMPANY INC
📞 (•••) •••-••••
2026-08-06 Other
Source type: Building Permit Revision
— 605 2ND AVE, REDWOOD CITY CA 94063-0000 NFPA 13D fire sprinkler system. Two sprig ups added, Skylight added in the Livin… sprinkler THORPE DESIGN INC
📞 (•••) •••-••••
2026-08-06 Addition
Source type: Residential Addition / Alteration to Existing Residence
— 2035 QUEENS LN, SAN MATEO CA 94402-0000 Master Bathroom remodel including replacement of curbless shower and low-flow wa… Lippert & Lippert Design
📞 (•••) •••-••••
2026-08-06 Roofing
Source type: Re-Roof
— 919 FALLEN LEAF WAY, REDWOOD CITY CA 94062-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… replacement SABER ROOFING INC
📞 (•••) •••-••••
2026-08-06 Addition
Source type: Residential Addition / Alteration to Existing Residence
— 839 MARSH RD, MENLO PARK CA 94025-0000 install monitor to track electrical load for water heater/heat pump circuit, mon… OHMS ELECTRIC
📞 (•••) •••-••••
2026-08-06 Roofing
Source type: Re-Roof
— 481 MIRAMAR DR, HALF MOON BAY CA 94019-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… replacement STATEWIDE ROOFING LLC
📞 (•••) •••-••••
2026-08-06 Electrical
Source type: Electrical Service Upgrade
— 223 FERNDALE WAY, REDWOOD CITY CA 94062-0000 Is this a residential or commercial project?: Residential Are you doing lighting… 300A service panel replacement Panel service ADARY ELECTRIC INC
📞 (•••) •••-••••
2026-08-06 Addition
Source type: Residential Addition / Alteration to Existing Residence
— 172 GOULSON ST, PESCADERO CA 94060-0000 Install new foundation under existing home. Bay Area Custom Homes, Inc.
Contact details pending
2026-08-06 Electrical
Source type: Electrical Service Upgrade
— 755 GLENMERE WAY, REDWOOD CITY CA 94062-0000 Is this a residential or commercial project?: Residential Are you doing lighting… 300A service panel Panel service GOLDEN WIRE ELECTRIC INC
📞 (•••) •••-••••
2026-08-06 Solar
Source type: Auto Issue Permit
— 330 11TH St, Montara CA 94037-0000 SYMBIUM-project_1d626bb7-02f5-4a8c-823a-5585db9bf546:Install 20 PV modules (9KW)… 9 kW battery solar Battery storage SUNRUN INSTALLATION SERVICES INC
2026-08-06 Solar
Source type: PV Solar
— 567 5TH ST, MONTARA CA 94037 Install 1x ESS, MPU, & SOLAR battery solar Battery storage —
2026-08-06 Addition
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… —
2026-08-06 Interior Renovation
Source type: Kitchen / Bath Remodel
— 134 NIMITZ AVE, REDWOOD CITY CA 94061-0000 like for like kitchen and 2 bathroom remodel. 31 recess lights throughout. sub p… like for like replacement HVAC changeout —
2026-08-06 Electrical
Source type: Auto Issue Permit
— 567 5TH St, Montara CA 94037-0000 SYMBIUM-project_921c2859-d61d-4b10-b260-cf21d8226fcb:225 A panel upgrade; instal… 225A service panel, batter… New installation Panel service HAVEN ENERGY SERVICES INC
2026-08-06 Fire Protection
Source type: Fire Systems
— 3915 KINGRIDGE DR, SAN MATEO CA 94403 Fire Systems —
2026-08-05 Electrical
Source type: Water Heater
— 403 5TH ST, MONTARA CA 94037-0000 Is this a residential or commercial project?: Residential System Type: Heat Pump… 300A service panel replacement Panel service BUILDING EFFICIENCY INC
2026-08-05 Solar
Source type: Auto Issue Permit
— 849 CALIFORNIA Way, Redwood City CA 94062-0000 SYMBIUM-project_8c0998d1-e7dc-4a62-b5ed-293b40063364:Install 26 PV modules (11.9… 11.96 kW battery solar Battery storage N R G CLEAN POWER INC
2026-08-05 Landscaping & Exterior
Source type: Auto Issue Permit
— 30 BERNAL Ave, Moss Beach CA 94038-0000 SYMBIUM-project_f8c0ef0d-30f3-437f-95a5-786932ffba89:Install 2 ESS units, locati… battery Battery storage N R G CLEAN POWER INC
2026-08-05 HVAC
Source type: HVAC, Furnace, Air Conditioning, and Heat Pump
— 1697 ASCENSION DR, SAN MATEO CA 94402-0000 Commercial/Residential: Residential Heat Pump: CHECKED Zoning: R-1/S-8 What is t… furnace, heat pump replacement HVAC replacement FUSE SERVICE INC
2026-08-05 Solar
Source type: Auto Issue Permit
— 567 7TH Ave, Menlo Park CA 94025-0000 SYMBIUM-project_0daa7cb4-ef89-44cc-ab82-c5bda138a3b0:Install 8 PV modules (3.52K… 3.52 kW solar Solar PV ALL ON ELECTRIC INC
2026-08-05 Solar
Source type: Auto Issue Permit
— 717 ETHELDORE St, Moss Beach CA 94038-0000 SYMBIUM-project_b179877f-8f60-434a-89eb-8c13b1639956:Install 19 PV modules (8.07… 8.075 kW battery solar Battery storage ELITE ENERGY ELECTRIC LLC
2026-08-05 Interior Renovation
Source type: Kitchen / Bath Remodel
— 60 HOODS POINT WAY, SAN MATEO CA 94402-0000 Bathroom remodel including removal and replacement bathtub/shower, toilet, vanit… W L BUILDER CONSTRUCTION
2026-08-05 Plumbing — 38 BISHOP LN, MENLO PARK CA 94025-0000 Is this a residential or commercial project?: Residential Sewer line: CHECKED Ar… line work replacement MTC Xcavating LLC
2026-08-05 Electrical
Source type: Electrical Service Upgrade
— 37 MARKHAM AVE, REDWOOD CITY CA 94063-0000 Is this a residential or commercial project?: Residential Are you doing lighting… 300A service panel Panel service OAK ELECTRIC INC
2026-08-05 Temporary
Source type: Temporary Power Pole
— 360 DEVONSHIRE BLVD, SAN CARLOS CA 94070-0000 Set up a temporary power pole of 2 20 amp circuits totaling 40 amps. Linked to o… 20A —
2026-08-05 Solar
Source type: Auto Issue Permit
— 717 ETHELDORE St, Moss Beach CA 94038-0000 SYMBIUM-project_ecb71037-2125-44c9-acf8-906e9f84b989:Install 6 PV modules (2.55K… 2.55 kW solar Solar PV ELITE ENERGY ELECTRIC LLC
2026-08-05 Solar
Source type: Auto Issue Permit
— 563 7TH Ave, Menlo Park CA 94025-0000 SYMBIUM-project_9431ac59-de6c-437d-9f7a-72cb84de74a6:Install 8 PV modules (3.52K… 3.52 kW solar Solar PV ALL ON ELECTRIC INC
2026-08-05 Electrical
Source type: Electrical Service Upgrade
— 907 BRADLEY DR, COLMA CA 94015-0000 Electrical Service Upgrade service panel Panel service —
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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

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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