CALIFORNIA · Building Permits

San Mateo County Construction Leads

76 permits tracked · Updated 2026-05-07

76
Active Permits
25
Contractors
0
Property Owners
Daily
Update Frequency

76 permits tracked · 25 contractors · Updated 2026-05-07

2026-05-07
Last Updated
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Recent Building Permits in San Mateo County

Latest permits filed with the San Mateo County building department

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Building Activity in San Mateo County

76 records — permits and code violations sorted by date

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Date Type Address Details Contractor / Status
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No contractor lead data available for San Mateo County. The city's permit feed publishes addresses and project values but doesn't expose contractor names. Property-owner and permit details are still available below.

Permit Types in San Mateo County — 76 permits by category
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 76+ San Mateo County building permits with data 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.

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

How fresh is the San Mateo County permit data?

Most cities refresh their open-data portals on a 24-hour cadence, so new permits typically appear in PermitGrab within 1–3 days of filing. San Mateo County is collected on every daemon cycle; if the upstream source has a known delay we note it on the page.

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 free trial?

The 14-day free 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. No credit card required.

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.

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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.