155 12th Ave, San Mateo, CA 94402 Property Records

San Mateo County property record for 155 12th Ave, San Mateo, CA 94402 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 2,060 sqft · built 1907
Lot Size	0.101 acres (4,400 sqft)
Owner	2 Company Names on File
Last Sale	$2,200,000 (Jul 2024)
Tax Bill	$26,517 (2025)
Deeds & Mortgages	Oct 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`034-285-040`

Property Details

APN / Parcel Number

Primary APN	`034-285-040`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	2,060 sqft Living Area
1st Floor Area	1,520 sqft
Family Room	Family Room

Exterior

Year Built	Built 1907
Effective Year Built	Effective 1907
Lot Area	4,400 sqft (0.101 acres)
Lot Dimensions	110 ft deep x 40 ft wide
View / Lot	Alley
Garage Area	510 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	155 12TH AVE
City	SAN MATEO
State	CA
Zip	94402-2419
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 13 BLOCK M SUB NO 3 & RESUB BLKS G & H OF SUB NO 2 HAYWARD PARK RSM 5/36
Legal Subdivision	HAYWARD PARK
Legal Block	M,G,H
Legal Lot Number	13
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	1
Census Block	1005
Census Tract	606600

Owner

Source: San Mateo County records · APN 034-285-040

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	250 BRENTWOOD RD, HILLSBOROUGH, CA 94010-7002
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jul 18, 2024 · Amount on Record
Deed Sale	Jul 18, 2024 · Amount on Record
Prior Sale	Apr 29, 2011 · Amount on Record
Deed Document Number	202437975
Prior Transfer Date	Mar 31, 2011
Prior Transfer Doc	0000048959
Record Updated	Sep 20, 2026

October 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Oct 23, 2020
Property Address	155 12TH AVE, SAN MATEO, CA 94402-2419
Document Number	0000116630
Map Reference	MB 6 PG 36
Instrument Date	Oct 19, 2020
Instrument	2020-116630
Transaction Type	Transfer
Record Updated	Aug 09, 2021
Title Company	WFG TITLE COMPANY OF CA

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	155 12TH AVE, SAN MATEO, CA 94402-2419

Mortgage

Document Number	0000116631
Date	Oct 23, 2020
Instrument	2020-116631

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 01, 2050

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, not market price estimates; both are a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$2,244,000 (+2%) Land $1,224,000 Building $1,020,000
2025	$26,517.00 (+97.24%) Homeowner's exemption	$2,200,000 (+111.48%) Land $1,200,000 Building $1,000,000
2023	$13,444.00 (+1.06%) Homeowner's exemption	$1,040,275 Land $511,037 Building $529,238	$1,825,920
2022	$13,303.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060816066001, refreshed September 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
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Nearby Flood Policies	3 in force

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; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 906 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
AT&T	Fiber	5,000 / 5,000
Xfinity	Cable	2,000 / 250
Radiate Holdings	Cable	1,500 / 50
Sonic Telecom	Fiber	1,000 / 1,000
Etheric Communications, LLC.	Fixed Wireless (licensed-by-rule)	250 / 100
T-Mobile USA	Fixed Wireless	100 / 20

May also be available at this address: AT&T, Unwired, Verizon, California Internet, Radiate Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.