San Mateo County Building Permits & Contractor Leads

953 indexed permits · 79 active contractors · San Mateo County, California.

Not shared leads. Not a marketplace. Every record is a public permit filing you can verify yourself — your competitors aren't handed the same list. One closed job typically covers the whole year. Cancel anytime in one click — no retention call.

“We track 79 contractors on record in San Mateo County, matched against the public permit file — not a bought directory list.”
Wes Crainshaw, founder of PermitGrab
San Mateo County building permits — key stats
Permits (last 90 days) 953
Total permit value (90d) $1,121,496
Active contractors 79
Newest permit 2026-08-03

PermitGrab tracks 79 active contractors who pulled 953 building permits in San Mateo County, CA as of 2026-08-03. Permits updated daily.

Up to date · Updated daily • newest record from 1d ago

PermitGrab is a $149/mo subscription that surfaces every San Mateo County building permit, contractor record, and code violation from the official municipal feed within 12-24 hours of filing — used by solar installers, roofers, HVAC contractors, real-estate investors, and insurance restoration teams to acquire leads at the moment a homeowner commits to a project. 14-day free trial below — cancel anytime in one click.

Filter San Mateo County leads 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 — the contractors, addresses, and project values. No credit card, unsubscribe anytime.

San Mateo County building permit activity

Contractors pulled 418 building permits in San Mateo County over the last 30 days — down 9.3% from the prior 30 days, with $494,233 in declared project value across the 18 that report a cost. Over 90 days: 953 permits worth $1,121,496.

Most active contractors (last 6 months)

  1. SAMARA LIVING INC — 19 permits
  2. NORCAL HOME BUILDERS LLC — 15 permits
  3. SUNRUN INSTALLATION SERVICES INC — 9 permits
  4. TESLA ENERGY OPERATIONS INC — 6 permits
  5. HIGH POINT ROOFING SERVICES — 6 permits
  6. JAJ ROOFING — 5 permits
  7. GREG JONES ROOFING LLC — 5 permits
  8. FUSE SERVICE INC — 5 permits
  9. AEGIS ENTERPRISES INC — 4 permits
  10. MACHU PICCHU ROOFING INC — 4 permits
Biggest project this month
$69,999 · Auto Issue Permit · 1306 STOCKBRIDGE Ave, Redwood City CA 94061-0000 · CLEAN SOLAR INC
953
Indexed Permits
79
Active Contractors
79
Verified Phones
2026-08-04
Last Updated
Updated today · live from city records
San Mateo County had 418 new building permits filed in the last 30 days, led by 69 electrical, 57 roofing and 45 hvac. The average project value is $27,457.

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Recent hot leads

Freshly filed permits with named contractors — tap to call.

CHARLES ELECTRIC
2026-08-03
📍 750 AVENUE ALHAMBRA, EL GRANADA CA 94019-0000
Electrical
GRANITE ELECTRIC INC
2026-08-03
📍 732 ALTA VISTA RD, MONTARA CA 94037-0000
Electrical
GALLAHER COMPANY
2026-08-03
📍 2001 MIRAMONTES POINT RD, HALF MOON BAY CA 94019-0000
Plumbing

All permits

Permit data through 2026-08-03
🔎 See for yourself — free: click any Reveal button to unmask up to 10 real contractor phone numbers. No account needed.

953 records — permits and code violations sorted by date

Date Type Value Address Details Contractor / Status Save
2026-06-08 General Construction 756 8TH AVE, REDWOOD CITY CA 94063-0000 addition master bath and walk in closet
📞 (•••) •••-•••• 🔒 Reveal
2026-06-06 Plumbing 230 NAVARRA AVE, EL GRANADA CA 94019-0000 Is this a residential or commercial project?: Residential Sewer line: CHECKED Ar… GEORGIO ATANA
📞 (•••) •••-•••• 🔒 Reveal
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… ELM ROOFING CONTRACTORS
📞 (•••) •••-•••• 🔒 Reveal
2026-06-05 Electrical 2275 ALLEGHENY WAY, SAN MATEO CA 94402-0000 Is this a residential or commercial project?: Residential Are you doing lighting…
📞 (•••) •••-•••• 🔒 Reveal
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… KEVIN J PALMER
📞 (•••) •••-•••• 🔒 Reveal
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… ICO INC
📞 (•••) •••-•••• 🔒 Reveal
2026-06-05 General Construction 109 LOS MONTES DR, BURLINGAME CA 94010-0000 Single family home remodel and addition Son, Inc
📞 (•••) •••-•••• 🔒 Reveal
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… GOLDEN HEIGHTS REMODELING INC
📞 (•••) •••-•••• 🔒 Reveal
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… Airstars Corp
📞 (•••) •••-•••• 🔒 Reveal
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… JOHN A BOUDREAU PLUMBING
📞 (•••) •••-•••• 🔒 Reveal
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… TAILOR - MAKE DEVELOPMENT INC
📞 (•••) •••-•••• 🔒 Reveal
2026-06-04 General Construction 308 SEQUOIA AVE, REDWOOD CITY CA 94061-0000 Is this a residential or commercial project?: Residential Color: Earthtone Manuf… TAILOR - MAKE DEVELOPMENT INC
📞 (•••) •••-•••• 🔒 Reveal
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
📞 (•••) •••-•••• 🔒 Reveal
2026-06-04 HVAC/Mech 1744 LOUVAINE DR, DALY CITY CA 94015-0000 Commercial/Residential: Residential Boiler Installation: CHECKED Zoning: R-1/S-7… AQUA HEATING SYSTEMS INC
📞 (•••) •••-•••• 🔒 Reveal
2026-08-03 Windows/Doors 40 VALLEY VIEW CT, SAN MATEO CA 94402 Existing kitchen to be remodel. Existing hallway bath to be remodel. Existing ma…
2026-08-03 General Construction CA 94019 The scope of work consists of removal of a failing 52' long by 8' wide rail car …
2026-08-03 Electrical 79 NORTH ST, PESCADERO CA 94060 Electrical Service Upgrade
2026-08-03 HVAC/Mech 734 16TH AVE, MENLO PARK CA 94025-0000 HVAC, Furnace, Air Conditioning, and Heat Pump
2026-08-03 Commercial Shell 1670 ANNIE ST, COLMA CA 94015 Commercial Addition / Alteration / Tenant Improvement / Change of Occupancy or U…
2026-08-03 General Construction 2806 PURISIMA CREEK RD, HALF MOON BAY CA 94062 The scope of work consists of removal of a failing 41' long by 8' wide rail car …
2026-08-03 Electrical 750 AVENUE ALHAMBRA, EL GRANADA CA 94019-0000 Is this a residential or commercial project?: Commercial Are you doing lighting … CHARLES ELECTRIC
2026-08-03 General Construction 852 87TH ST, COLMA CA 94015-0000 Active construction late at night, no permits. All material out on the driveway
2026-08-03 Electrical 1969 PALO ALTO WAY, MENLO PARK CA 94025-0000 Subpanel installed and not at the proper load(40 amp with 100 amp load); all new…
2026-08-03 Electrical 732 ALTA VISTA RD, MONTARA CA 94037-0000 Install sub-panel in garage and 2 EV circuits. GRANITE ELECTRIC INC
2026-08-03 Windows/Doors 20 REINER ST, COLMA CA 94014-0000 Window or Door
2026-08-03 Plumbing 2001 MIRAMONTES POINT RD, HALF MOON BAY CA 94019-0000 Is this a residential or commercial project?: Commercial System Type: Convention… ×3 GALLAHER COMPANY
2026-08-03 Electrical 432 8TH AVE, MENLO PARK CA 94025-0000 Electrical Service Upgrade
2026-08-02 Roofing 571 FRANCISCO ST, EL GRANADA CA 94018 Re-Roof
2026-07-31 Pool/Spa 379 SUMMIT DR, REDWOOD CITY CA 94062-0000 The project involves an addition to an existing single family home for additiona…
2026-07-31 Solar 443 EL GRANADA BLVD, EL GRANADA CA 94019-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… ABOVE ALL ROOFING SOLUTIONS INC
2026-07-31 Solar 811 KAYNYNE ST, REDWOOD CITY CA 94063-0000 Is this a residential or commercial project?: Commercial Class of roof: Class A … BAY QUALITY ROOFING & BUILDING SERVICES INC
2026-07-31 Electrical 750 AVENUE ALHAMBRA, EL GRANADA CA 94019 Electrical Service Upgrade
2026-07-31 Solar $47,000 1837 CAMINO DE LOS ROBLES, Menlo Park CA 94025-0000 SYMBIUM-project_035f4bb6-b002-4eea-9c5d-cefdfe9a00d3:Install 27 PV modules (11.8… ALL BAY SOLAR CONSTRUCTION INC
2026-07-31 Windows/Doors 141 MIMOSA WAY, PORTOLA VALLEY CA 94028 Remove and replace (6) existing windows. Minor cut down for (3) window openings …
2026-07-31 Electrical 107 POSITANO CIR, REDWOOD CITY CA 94065 Electric Vehicle Charger
2026-07-31 Signage 121 DOLTON AVE, SAN CARLOS CA 94070-0000 Proposed Landscape Design to include 8192 sf of landscaped area, new outdoor kit… SCENIC SCAPES INC
2026-07-31 Windows/Doors 141 MIMOSA WAY, PORTOLA VALLEY CA 94028-0000 REMOVE AND REPLACE 6 EXISTING WINDOWS. MINOR CUT DOWN FOR 3 WINDOWS OPENING TO M… C C I CONSTRUCTION INC
2026-07-31 HVAC/Mech WOODSIDE CA 94062 Replacement of a hitting cage for practicing polo. Work will consist of the cons…
2026-07-31 Electrical 2065 KINGS LN, SAN MATEO CA 94402-0000 complaint came in from Code; there was active construction for a structure in fr…
2026-07-31 Demolition 521 3RD AVE, REDWOOD CITY CA 94063-0000 Building permit to demolish current sfh and build four townhomes - multifamily c… W Y DEVELOPER INC
2026-07-30 General Construction 58 LOYOLA AVE, MENLO PARK CA 94025-0000 Seismic Retrofit; Block and brace cripple walls and install shear clips througho… M G CONSTRUCTORS & ENGINEERS INC
2026-07-30 Windows/Doors 2780 WESTMORELAND AVE, REDWOOD CITY CA 94063-0000 Commercial/Residential: Residential Are the windows and doors being replaced siz…
2026-07-30 Plumbing 16 COUNTRY LN, REDWOOD CITY CA 94061-0000 Is this a residential or commercial project?: Residential Sewer line: CHECKED Ar… EJ PLUMBING LLC
2026-07-30 Solar 211 SCENIC DR, REDWOOD CITY CA 94062-0000 Is this a residential or commercial project?: Residential Class of roof: Class A… ZENITH ROOFERS LLC
2026-07-30 General Construction 599 ALTO AVE, HALF MOON BAY CA 94019-0000 Revised drainage plan per discussion with DPW
2026-07-30 Roofing 1523 FORGE RD, SAN MATEO CA 94402-0000 PROJECT SUMMARY EXISTING LIVING AREA: 1,779 SF PROPOSED LIVING AREA: 2,011 SF NE… TED CONSTRUCTION LLC
2026-07-30 Pool/Spa 687 NORTH ST, PESCADERO CA 94060-0000 Tearing down a room to create an open space living area and renovating the kitch… STAGE RANCH BUILDING
2026-07-30 HVAC/Mech 4 COLONIAL PL, REDWOOD CITY CA 94061-0000 Commercial/Residential: Residential Heat Pump: CHECKED Zoning: R-1/S-74 What is … BADGER HEATING & COOLING INC
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Top Contractors

Most active contractors by permit volume — last 90 days of activity shown in parentheses. 22 of 25 have verified phone numbers below.

🆕 New this week
Contractor Permits (90d) Trade Avg Value Contact
1. NORCAL HOME BUILDERS LLC 📞 🔥 10 permits/30d Active 24 (15) Demolition - 🔒 Reveal
2. SAMARA LIVING INC 📞 Active 19 (19) HVAC - 🔒 Reveal
3. SUNRUN INSTALLATION SERVICES INC 📞 6 permits/30d 10 (9) Electrical $32,506 🔒 Reveal
4. TESLA ENERGY OPERATIONS INC 📞 3 permits/30d 7 (6) HVAC $16,200 🔒 Reveal
5. HIGH POINT ROOFING SERVICES 📞 2 permits/30d 7 (6) Roofing - 🔒 Reveal
6. MACHU PICCHU ROOFING INC 📞 5 permits/30d 6 (5) Roofing - 🔒 Reveal
7. FUSE SERVICE INC 📞 3 permits/30d 6 (5) HVAC - 🔒 Reveal
8. GREG JONES ROOFING LLC 📞 3 permits/30d 6 (5) Roofing - 🔒 Reveal
9. JAJ ROOFING 📞 5 (5) Electrical $16,004 🔒 Reveal
10. DISCOUNT PLUMBING ROOTER SERVICES LLC 📞 4 permits/30d 5 (4) Plumbing - 🔒 Reveal
11. BETTER EARTH ELECTRIC INC 📞 1 permits/30d 5 (2) Electrical $14,516 🔒 Reveal
12. GROUNDWORKS CALIFORNIA LLC 📞 3 permits/30d 4 (4) HVAC - 🔒 Reveal
13. K G CONSTRUCTION 4 permits/30d 4 (4) Demolition - Verifying…
14. AEGIS ENTERPRISES INC 📞 4 (4) - 🔒 Reveal
15. ELM ROOFING CONTRACTORS INC 📞 1 permits/30d 4 (4) Roofing - 🔒 Reveal
16. JEMICO LLC 📞 1 permits/30d 4 (4) Windows & Doors - 🔒 Reveal
17. ALL BAY SOLAR CONSTRUCTION 📞 NEW 4 (1) Solar $47,000 🔒 Reveal
18. KEVIN J PALMER 📞 1 permits/30d 3 (3) Roofing - 🔒 Reveal
19. ALTERNATIVE HEATING AND AIR CONDITIONING SOLUTIONS INC 3 permits/30d 3 (3) HVAC - Verifying…
20. DHGJ ENTERPRISES INC 📞 2 permits/30d 3 (3) Roofing - 🔒 Reveal
21. RANE ELECTRIC 📞 3 (3) Electrical - 🔒 Reveal
22. SEMPER HOME 📞 1 permits/30d 3 (3) HVAC $10,245 🔒 Reveal
23. GALLAHER COMPANY NEW 3 (3) Electrical - Verifying…
24. VILLQUIN AIR SERVICES LLC 📞 1 permits/30d 3 (3) Electrical - 🔒 Reveal
25. BAYSHORE GENERAL ENGINEERING INC 📞 1 permits/30d 3 (3) Plumbing - 🔒 Reveal

Viewing 25 of 25 contractors in San Mateo County

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Permit Types in San Mateo County
Construction Activity in San Mateo County

New building permits in San Mateo County, California indicate upcoming construction projects. Contractors can identify subcontracting opportunities by monitoring recently issued permits for residential renovations, commercial buildouts, and new construction. Early outreach to permit holders often results in higher close rates before projects go to competitive bid.

About San Mateo County Building Permits

San Mateo County, California processes thousands of building permits covering residential construction, commercial buildouts, renovations, and specialty trade work. PermitGrab tracks 953+ San Mateo County building permits — updated daily from official city sources.

Every new construction project in San Mateo County requires a building permit before work can begin. These public records include the project address, scope of work, estimated cost, and often the general contractor's name — making them valuable leads for subcontractors looking for new projects in San Mateo County.

How Contractors Use San Mateo County Permit Data

HVAC contractors, electricians, plumbers, and roofers in San Mateo County use building permit data to find projects before they hit traditional lead services. When a new commercial buildout or residential renovation permit is filed, it signals upcoming work that needs subcontractors.

Instead of competing for shared leads on HomeAdvisor or Angi, contractors who monitor San Mateo County building permits can reach out to general contractors the day a permit is issued — before anyone else calls. This first-mover advantage leads to higher close rates and better project selection.

PermitGrab sends daily email alerts filtered by trade, so San Mateo County electrical contractors only see electrical permits, HVAC contractors only see mechanical permits, and so on.

Reviewed by Marcus Reeves · Page data current as of · Sources: official San Mateo County open data portal.

Who pulled permits in San Mateo County this week?

The most active contractors filing in San Mateo County right now include NORCAL HOME BUILDERS LLC, SAMARA LIVING INC, SUNRUN INSTALLATION SERVICES INC, TESLA ENERGY OPERATIONS INC and HIGH POINT ROOFING SERVICES. PermitGrab tracks 79 active contractors across the metro, with new filings indexed on every refresh.

How fresh is San Mateo County permit data?

The most recent permit indexed for San Mateo County is dated 2026-08-03. Updated daily • newest record from 1d ago. Permit records carry filing date, address, project value, contractor name (where the source publishes it), and permit type, so a fresh row means a fresh lead.

What construction is happening in San Mateo County right now?

In the last 30 days, San Mateo County permitting activity covers 418 new building permits. The mix spans new construction, residential renovations, mechanical/electrical/plumbing upgrades, roof replacements, demolitions, and tenant improvements — every record is a buying signal for a different contractor or supplier persona.

Three plays that win in San Mateo County

Lists are for mailing. Phones are for closing.

📞

The same-day call

Filter San Mateo County to your trade each morning. Every fresh permit shows the contractor with a verified phone — call the GC to sub, call the owner to upsell the next phase, while competitors are still printing postcards.

🕵️

The competitor watch

Search any competitor's name and see every job they pulled in San Mateo County — where they're working, what they're charging the city in declared value, and which neighborhoods they own. Pitch the follow-on work at each address.

🚨

The motivated-seller list

Code violations matched to property owners. An owner facing a citation is the warmest restoration, repair, or wholesale-offer lead there is — and no marketplace sells this list.

Run these plays in San Mateo County — $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 and updated as new filings post. 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 Contractor Guides

In-depth resources for contractors working in San Mateo County

2026-06-20

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

San Mateo County's unincorporated permit feed sits in the heart of the Bay Area peninsula. PermitGrab tracks 303 county permits filed i...

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

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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 953 building permits in San Mateo County, California. Data is pulled directly from the official municipal open-data source on every collection cycle and includes permit number, address, permit type, contractor, status, and estimated value where available.

How fresh is the San Mateo County permit data?

PermitGrab collects San Mateo County daily. New permits appear here within 1–3 days of the municipal source publishing them. The count above reflects the complete current record from that source.

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 contacting the permit applicant (owner or general contractor) directly. Pro subscribers get verified phone numbers and can set up saved-search email alerts so new matches land in their inbox the same day they’re filed.

What’s included in the 14-day trial?

The 14-day trial includes full Pro access to San Mateo County — unlimited phone and website reveals, CSV export, trade and value-tier filters, lead scoring, and violation cross-reference flags. 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 & owner data, by use case

Same data, different angle. Pick the playbook that matches what you sell.

Real estate investors
Code violations in San Mateo County = motivated sellers. Out-of-state landlord + active citation = top of the wholesale call list.
Contractors & subs
Every San Mateo County GC who pulled a permit this week is sourcing labor and materials right now. Phone numbers included.
Home service companies
A San Mateo County addition or remodel signals an HVAC, plumbing, or warranty upsell window. Reach owners while the project is fresh.
Solar installers
Roof permits and electrical upgrades in San Mateo County are the highest-intent solar lead signals. Owner-occupant filter built in.
Insurance agents
San Mateo County renovations trigger updated dwelling-coverage limits. Get the address-level signal before the renewal cycle does.
Material suppliers
Lumber, drywall, roofing, fixtures — every San Mateo County permit is a parts list. Build a route by job type and value tier.
Developers & new construction
Ground-up builds in San Mateo County mean a long runway of subcontractor and material orders. Sort new-construction permits by project value and reach the GC before the trades are locked.
Free resources

More on San Mateo County & U.S. construction activity

U.S. Construction Permit Pulse
Our 90-day data report: permit volume by metro, hottest trades, and average project values. Free to read and cite.
Free permit tools
Live permit checker, national pulse dashboard, and a free city-by-city volume lookup — no signup required.
Permit activity badge
Show clients you track live San Mateo County permit activity — copy one line of HTML for your website.

More California permit data

Sacramento permits Oakland permits San Bernardino County permits Moreno Valley permits Los Angeles permits Stockton permits Fremont permits Santa Clara County permits Livermore permits Santa Clara permits

Comparing permit-data tools? See BuildZoom vs Shovels vs PermitGrab (2026) — pricing, coverage, and which fits contractors, suppliers, and developers.

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