Permit Alpha & Deal Finder

High-ROI building permits, teardowns, and luxury renovations parsed daily across the Peninsula.

Contractor Intel Dashboard

Total Active Pipeline

$7.4M

Leading Contractor

Master Builder LLC

Leading Architect

N/A

Top General Contractors

By Valuation
1

Master Builder LLC

$1.5M

Top Architects

By Valuation
San Mateo City2026-05-11

123 Smart St, San Mateo Park

$1M+ Project

New Construction

Contractor

Master Builder LLC

Architect

N/A

Project Valuation

$1,500,000.00

Scale

3000 sqft ($500.00/sf)

San Mateo City Permits

36 ANTIOCH DR SAN MATEO 94403-3512 CA

Single Family (Addition) - Add/Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$470,403.49

Scale

Issued

San Mateo City Permits

3937 ONEILL DR San Mateo CA

Single Family (Addition) - Converted

Contractor

Unknown

Architect

Unknown

Project Valuation

$120,000.00

Scale

Issued

San Mateo City Permits

628 COSTA RICA AVE Unit: B SAN MATEO CA 94402-1013

Single Family (New) - New

Contractor

Unknown

Architect

Unknown

Project Valuation

$2,000.00

Scale

Issued

San Mateo City Permits

719 CYPRESS AVE Unit: D SAN MATEO CA 94401-3232

Single Family (New) - New

Contractor

Unknown

Architect

Unknown

Project Valuation

$200,000.00

Scale

Issued

San Mateo City Permits

23 SAINT MARYS CT Unit: B SAN MATEO CA 94401-1895

Single Family (New) - New

Contractor

Unknown

Architect

Unknown

Project Valuation

$449,004.25

Scale

Issued

San Mateo City Permits

608 PATRICIA AVE Unit: B SAN MATEO CA 94401-3048

Single Family (New) - New

Contractor

Unknown

Architect

Unknown

Project Valuation

$116,498.40

Scale

Issued

San Mateo City Permits

3721 PASADENA DR Unit: B SAN MATEO CA 94403-2949

Single Family (New) - New

Contractor

Unknown

Architect

Unknown

Project Valuation

$10,000.00

Scale

Issued

San Mateo City Permits

2712 TIBURON ST Unit: 21 SAN MATEO 94403 CA

Single Family (New) - New

Contractor

Unknown

Architect

Unknown

Project Valuation

$452,575.00

Scale

Issued

San Mateo City Permits

116 S IDAHO ST Unit: B SAN MATEO CA 94401-2934

Single Family (New) - New

Contractor

Unknown

Architect

Unknown

Project Valuation

$427,160.80

Scale

Issued

San Mateo City Permits

2708 TIBURON ST Unit: 20 SAN MATEO 94403 CA

Single Family (New) - New

Contractor

Unknown

Architect

Unknown

Project Valuation

$452,575.00

Scale

Issued

San Mateo City Permits

150 SYCAMORE AVE SAN MATEO CA 94402-1034

Single Family (Alteration/Repair) - Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$265,000.00

Scale

Issued

San Mateo City Permits

608 PATRICIA AVE SAN MATEO CA 94401-3048

Single Family (Alteration/Repair) - Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$246,836.07

Scale

Issued

San Mateo City Permits

1402 ABERDEEN DR SAN MATEO CA 94402-1903

Single Family (Alteration/Repair) - Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$54,367.04

Scale

Issued

San Mateo City Permits

3611 KINGRIDGE DR SAN MATEO 94403-4006 CA

Single Family (Alteration/Repair) - Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$53,100.00

Scale

Issued

San Mateo City Permits

11 PINEWOOD CT SAN MATEO 94403-3934 CA

Single Family (Alteration/Repair) - Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$177,885.00

Scale

Issued

San Mateo City Permits

344 RAMONA ST SAN MATEO CA 94401-2424

Single Family (Alteration/Repair) - Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$24,271.00

Scale

Issued

San Mateo City Permits

1691 WASHINGTON ST SAN MATEO 94403-1132 CA

Single Family (Alteration/Repair) - Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$85,000.00

Scale

Issued

San Mateo City Permits

412 41ST AVE SAN MATEO CA 94403-4308

Single Family (Alteration/Repair) - Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$28,297.99

Scale

Finaled

San Mateo City Permits

1404 QUEENS AVE SAN MATEO CA 94403-1125

Single Family (Alteration/Repair) - Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$40,000.00

Scale

Issued

San Mateo City Permits

28 BELFORD WAY SAN MATEO CA 94402-1206

Single Family (Addition) - Add/Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$493,588.67

Scale

Issued

San Mateo City Permits

1741 HEMLOCK AVE SAN MATEO CA 94401-3428

Single Family (Addition) - Add/Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$382,020.33

Scale

Issued

San Mateo City Permits

878 W GRANT PL SAN MATEO 94402-1820 CA

Single Family (Addition) - Add/Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$335,664.72

Scale

Issued

San Mateo City Permits

678 29TH AVE SAN MATEO 94403-3255 CA

Single Family (Addition) - Add/Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$49,027.42

Scale

Issued

San Mateo City Permits

864 RAND ST SAN MATEO 94401-3112 CA

Single Family (Addition) - Add/Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$250,000.00

Scale

Issued

San Mateo City Permits

3156 EDISON ST SAN MATEO 94403-3358 CA

Single Family (Addition) - Add/Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$107,519.23

Scale

Issued

San Mateo City Permits

416 42ND AVE SAN MATEO 94403-5006 CA

Single Family (Alteration/Repair) - Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$11,200.00

Scale

Issued

San Mateo City Permits

503 BERMUDA DR SAN MATEO 94403-1422 CA

Single Family (Addition) - Add/Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$216,144.18

Scale

Issued

San Mateo City Permits

228 27TH AVE SAN MATEO 94403-2418 CA

Single Family (Addition) - Add/Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$174,749.75

Scale

Issued

San Mateo City Permits

23 DEL MONTE PL SAN MATEO 94403-3823 CA

Single Family (Addition) - Add/Alter

Contractor

Unknown

Architect

Unknown

Project Valuation

$198,049.36

Scale

Issued (Revision Pending)