809 Ada St, San Mateo, CA 94401 Property Records

San Mateo County property record for 809 Ada St, San Mateo, CA 94401 · Last verified July 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	1 Baths
Year Built	Built 1950
Square Footage	1,000 sqft Living Area
Lot Size	5,000 sqft (0.115 acres)
Garage	250 sqft
Occupancy	Owner Occupied
Tax Bill	$5,711.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`033-335-230`

Interior

Bedrooms	3 Beds
Full Baths	1 Baths
Total Rooms	6 Rooms
Building Area	1,000 sqft Living Area
1st Floor	970 sqft 1st Floor
Family Room	Family Room

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1950
Lot Area	5,000 sqft (0.115 acres)
Depth X Width	100 ft x 50 ft Depth x Width
Parking Spaces	1 Parking Spaces
Garage Area	250 sqft Garage

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Central Heating

Location & Zoning

Street Address	809 ADA ST
City	SAN MATEO
State	CA
Zip	94401-3103
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 8 BLOCK 11 SHORE VIEW TRACT MAP NO 8 RSM 30/25 26 27 28 CITY OF SAN MATEO
Legal Subdivision	SHORE VIEW TRACT MAP NO 8
Legal Block	11
Legal Lot Number	8
Jurisdiction	SAN MATEO CA
Minor Civil Division	SAN MATEO
Census Blockgroup	2
Census Block	2015
Census Tract	607701

Owner

Source: San Mateo County records · APN 033-335-230

Assessment roll updated July 15, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on File
Mailing Address	809 ADA ST, SAN MATEO, CA 94401-3103
Occupancy	Owner Occupied
Owner Type	Owner is a Company
Vesting	Owner is a Trust, Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Transfer Date	Mar 24, 2018
Transfer Doc	0000049973
Record Refreshed	Sep 20, 2026

June 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Jun 26, 2018
Property Address	809 ADA ST, SAN MATEO, CA 94401-3103
Document Number	0000049973
Instrument Date	Mar 24, 2018
Instrument	49973
Transaction Type	Transfer
Record Updated	Jul 13, 2018
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Document Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	809 ADA ST SAN MATEO CA 944013103, SAN MATEO, CA 94401-3103

Tax Assessment & Valuation

Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	California
County	San Mateo County
Municipality	San Mateo City
Elementary School District	San Mateo-Foster City Elementary School District (KG - 08)
Secondary School District	San Mateo Union High School District (09 - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$317,589 (+2%) Land $111,497 Building $206,092
2025	$5,711.00 (+14.75%) Homeowner's exemption	$311,362 (+4.04%) Land $109,311 Building $202,051
2023	$4,977.00 (+2.58%) Homeowner's exemption	$299,273 Land $105,067 Building $194,206	$895,590
2022	$4,852.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Reduced by levee depends on levee performance
500-Year Floodplain	No
Special Flood Hazard Area	No

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.