San Mateo County Building Permits & Contractor Leads

937 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) 935
Total permit value (90d) $1,121,496
Active contractors 79
Newest permit 2026-08-03

PermitGrab tracks 79 active contractors who pulled 937 building permits in San Mateo County, CA as of 2026-08-03. Permits updated daily.

Up to date · Updated daily • newest record from 19h 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 407 building permits in San Mateo County over the last 30 days — down 15.1% from the prior 30 days, with $494,233 in declared project value across the 18 that report a cost. Over 90 days: 935 permits worth $1,121,496.

Most active contractors (last 6 months)

  1. SAMARA LIVING INC — 19 permits
  2. NORCAL HOME BUILDERS LLC — 14 permits
  3. SUNRUN INSTALLATION SERVICES INC — 8 permits
  4. TESLA ENERGY OPERATIONS INC — 6 permits
  5. HIGH POINT ROOFING SERVICES — 6 permits
  6. GREG JONES ROOFING LLC — 5 permits
  7. FUSE SERVICE INC — 5 permits
  8. JAJ ROOFING — 5 permits
  9. GROUNDWORKS CALIFORNIA LLC — 4 permits
  10. AEGIS ENTERPRISES INC — 4 permits
Biggest project this month
$69,999 · Auto Issue Permit · 1306 STOCKBRIDGE Ave, Redwood City CA 94061-0000 · CLEAN SOLAR INC
937
Indexed Permits
79
Active Contractors
79
Verified Phones
2026-08-03
Last Updated
Updated today · live from city records
San Mateo County had 407 new building permits filed in the last 30 days, led by 64 electrical, 56 roofing and 44 hvac. The average project value is $27,457.

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All permits

Permit data through 2026-08-03
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937 records — permits and code violations sorted by date

Date Type Value Address Details Contractor / Status Save
2026-06-15 General Construction 629 LAKEVIEW WAY, REDWOOD CITY CA 94062-0000 Replace damaged deck guardrails from neighbor's tree falling on my property. I w…
2026-06-14 HVAC/Mech 828 11TH AVE, REDWOOD CITY CA 94063 172 sf Kitchen remodel Replace all fixtures Replace (1) window same size Close (…
2026-06-13 General Construction 26 BISHOP LN, MENLO PARK CA 94025-0000 Remodeling of the existing residence as necessary to remove the wall between the…
2026-06-12 Fire Protection 1500 FASHION ISLAND BLVD, SAN MATEO CA 94404-0000 ADDRESS 1500 FASHION ISLAND BUILDING SAN MATEO, CA 944044 THIS IS AN ADDITION TO…
2026-06-12 Solar 39 SEQUOIA DR, LA HONDA CA 94020-0000 Is this a residential or commercial project?: Residential Class of roof: Class A…
2026-06-12 General Construction 512 7TH AVE, MENLO PARK CA 94025-0000 Confirmation
2026-06-12 General Construction 347 SAN CARLOS AVE, REDWOOD CITY CA 94061-0000 Confirmation
2026-06-12 Roofing 1850 CORDILLERAS RD, REDWOOD CITY CA 94062 Re-Roof
2026-06-11 General Construction 15975 SKYLINE BLVD, WOODSIDE CA 94062 Kitchen / Bath Remodel
2026-06-11 General Construction 9555 CABRILLO HWY, MOSS BEACH CA 94038-0000 Confirmation
2026-06-11 General Construction 16 NINER CT, REDWOOD CITY CA 94062-0000 Confirmation
2026-06-11 Windows/Doors 9555 CABRILLO HWY, MOSS BEACH CA 94038-0000 Revert back the garage to original condition, legalized kitchen remodeling, bath…
2026-06-11 General Construction 84 EL VANADA RD, REDWOOD CITY CA 94070-0000 Confirmation
2026-06-11 General Construction 2060 TIMBERLANE WAY, SAN MATEO CA 94402-0000 Confirmation
2026-06-10 Electrical 120 HILDEBRAND Rd, La Honda CA 94062-0000 SYMBIUM-project_aee68e66-636c-433c-a790-a86635cd7226:Install 2 ESS units, locati…
2026-06-10 Signage 601 MENLO OAKS DR, MENLO PARK CA 94025-0000 As a result of field conditions encountered during construction, several modific…
2026-06-10 HVAC/Mech 10TH ST, MONTARA CA 94037-0000 Commercial/Residential: Residential Heat Pump: CHECKED Duct Work: CHECKED Will t…
2026-06-10 Temporary 86 CANADA RD, WOODSIDE CA 94062-0000 15'x30' white tent and 20'x20' white tent that will be used for catering
2026-06-10 Solar 590 LA MESA Dr, Portola Valley CA 94028-0000 SYMBIUM-project_118ee5e7-43ca-419d-aa0d-2ecdc3edeba3:Add 21 PV modules (9.87KW) …
2026-06-10 Solar 275 HUBBARD Ave, Redwood City CA 94062-0000 SYMBIUM-project_0d21fd1b-d955-4c76-bd78-74c35c192459:Install 8 PV modules (3.36K…
2026-06-10 HVAC/Mech 3961 JEFFERSON AVE, REDWOOD CITY CA 94062-0000 SWN2005-00026 Demolition of existing unpermitted deck located in rear and side y…
2026-06-10 Plumbing 1880 CAMINO A LOS CERROS, MENLO PARK CA 94025-0000 Is this a residential or commercial project?: Residential Sewer line: CHECKED Ar…
2026-06-10 General Construction 3961 JEFFERSON AVE, REDWOOD CITY CA 94062-0000 Confirmation
2026-06-10 Solar 214 SCENIC DR, REDWOOD CITY CA 94062-0000 Is this a residential or commercial project?: Residential Class of roof: Class A…
2026-06-10 Demolition 2739 MARLBOROUGH AVE, REDWOOD CITY CA 94063 MINOR DEMO of exiting Structure(Back Side) Related: VIO2026-00072
2026-06-10 Solar 1166 HILLSIDE BLVD, DALY CITY CA 94014-0000 Is this a residential or commercial project?: Commercial Class of roof: Class A …
2026-06-10 Electrical 616 DOUGLAS AVE, REDWOOD CITY CA 94063-0000 Is this a residential or commercial project?: Residential Are you doing lighting…
2026-06-10 Solar 812 11TH AVE, REDWOOD CITY CA 94063 Add two (2) solar/manual venting skylight units on roof over Living Room/Den are…
2026-06-10 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-…
2026-06-10 Solar 500 BUENA VISTA AVE, REDWOOD CITY CA 94061-0000 Is this a residential or commercial project?: Residential Class of roof: Class A…
2026-06-10 Solar 449 SANTA CLARA AVE, REDWOOD CITY CA 94061-0000 Is this a residential or commercial project?: Residential Class of roof: Class A…
2026-06-09 Fire Protection 5597 PESCADERO CREEK RD, PESCADERO CA 94060 INSTALL NEW 5000 GALLON WATER TANK AS REQUIRED FOR NEW BARN STRUCTURE UNDER PERM…
2026-06-09 Roofing 214 SCENIC DR, REDWOOD CITY CA 94062 Re-Roof
2026-06-09 Plumbing 439 SONORA AVE, EL GRANADA CA 94018 Plumbing
2026-06-09 General Construction 139 STARLITE DR, SAN MATEO CA 94402 2346sf detached house fire rebuild with remodel to the existing plans
2026-06-09 Roofing 449 SANTA CLARA AVE, REDWOOD CITY CA 94061 Re-Roof
2026-06-08 General Construction 831 VALENCIA AVE, EL GRANADA CA 94018-0000 Kitchen Remodel, As Is. Replace existing Kitchen Cabinets, Countertops, and Appl…
2026-06-08 General Construction 756 8TH AVE, REDWOOD CITY CA 94063-0000 Confirmation
2026-06-08 Roofing 48 BEL AIRE (LOT 5) LN, SAN MATEO CA 94402-0000 Revision for roof truss for BLD2023-00210
2026-06-08 HVAC/Mech 1800 Carlos, CA 94038-0000 BUILDING 11 (Pages 33-35): Pre-manufactured stair, guardrail, and handrail defer…
2026-06-08 General Construction 601 PALMER LN, MENLO PARK CA 94025-0000 Confirmation
2026-06-08 General Construction 230 NAVARRA AVE, EL GRANADA CA 94019-0000 Confirmation
2026-06-08 General Construction 500 DOUGLAS AVE, REDWOOD CITY CA 94063-0000 Is this a residential or commercial project?: Residential Color: Cool Gray Manuf…
2026-06-08 HVAC/Mech 1800 Carlos, CA 94038-0000 BUILDING 7 (Pages 27-29): Pre-manufactured stair, guardrail, and handrail deferr…
2026-06-08 HVAC/Mech 1800 Carlos, CA 94038-0000 BUILDING 9 (Pages 30-32): Pre-manufactured stair, guardrail, and handrail deferr…
2026-06-08 General Construction 500 RADIO RD, BRISBANE CA 94005 upgrade of existing equipment swap existing dish for a new dish swap existing OD…
2026-06-08 HVAC/Mech 1800 Carlos, CA 94038-0000 BUILDING 13 (Pages 36-44): Pre-manufactured stair, guardrail, and handrail defer…
2026-06-08 HVAC/Mech 244 EL REY RD, PORTOLA VALLEY CA 94028-0000 Install two new lights in living room, replace Sheetrock in hallway and bedroom …
2026-06-08 General Construction 244 EL REY RD, PORTOLA VALLEY CA 94028-0000 Confirmation
2026-06-08 HVAC/Mech 1800 Carlos, CA 94038-0000 BUILDING 12 (Pages 45-47): Pre-manufactured stair, guardrail, and handrail defer…
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Top Contractors

Most active contractors by permit volume — last 90 days of activity shown in parentheses. 23 of 25 have verified phone numbers below.

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

Viewing 25 of 25 contractors in San Mateo County

See every contractor's phone number, business name, and website in San Mateo County — plus the daily new-permit digest, owner records, and one-click CSV export.

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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 937+ 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, HIGH POINT ROOFING SERVICES and TESLA ENERGY OPERATIONS INC. 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 19h 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 407 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 937 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 County permits Sacramento permits San Jose permits San Francisco permits San Bernardino County permits Oakland permits Moreno Valley permits Los Angeles permits Stockton permits Santa Clara County 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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