Building permit activity in 94401 — San Mateo, CA

Permit data for ZIP 94401, drawn from official city and county permit records. Newest permit on record: August 21, 2026. Search these records free, or take the whole jurisdiction as a CSV.

36,492

Permits on Record

411

Last 12 Months

Last 30 Days

41+ yrs

History Depth

Recent permits in 94401

Address	Category	Date	Value
116 S IDAHO ST	FIRE_ALARM	Aug 06, 2026	—
632 FALLON AVE	OTHER	Aug 06, 2026	—
116 S IDAHO ST	FIRE_ALARM	Aug 06, 2026	$427,160
116 S IDAHO ST	FIRE_ALARM	Aug 06, 2026	$2,430,258
23 SAINT MARYS CT	FIRE_ALARM	Aug 04, 2026	$449,004

What is being permitted in 94401

Category	Permits	Share
Interior Remodel	10,225	28%
Roofing	6,065	17%
Electrical	5,025	14%
Plumbing	3,745	10%
HVAC	2,245	6%
Solar	2,077	6%
Addition	1,808	5%
Renovation	1,769	5%

Top contractors in ZIP 94401

Tesla Energy Operations, Inc.155 permits here
Sunrun Inc116 permits here
Fast Water Heater Company90 permits here
Express Plumbing70 permits here
SolarCity Corporation67 permits here
Tesla Energy, Inc58 permits here
Vivint Solar Developer, LLC.32 permits here
Brothers Home Improvement INC30 permits here

Use cases for this data: Roofing leads · HVAC leads · Solar & battery leads · Contractor lookups

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Data sourced from official government permit records via PermitStack. Counts reflect our coverage of this area, not necessarily every permit ever filed.