425 27th Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 425 27th Ave, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,984 sqft · built 1938
Lot Size	0.161 acres (7,000 sqft)
Owner	2 Trust Names on File
Last Sale	$1,400,000 (May 2017)
Tax Bill	$26,391 (2025)
Deeds & Mortgages	Jan 2018 Mortgage Apr 2020 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`039-324-060`

Property Details

APN / Parcel Number

Primary APN	`039-324-060`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	1,984 sqft Living Area
1st Floor Area	1,010 sqft
Family Room	Family Room

Exterior

Year Built	Built 1938
Effective Year Built	Effective 1938
Lot Area	7,000 sqft (0.161 acres)
Lot Dimensions	140 ft deep x 50 ft wide
Garage Area	255 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	425 27TH AVE
City	SAN MATEO
State	CA
Zip	94403-2401
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1000B
Legal Description	LOT 5 BLOCK 8 SAN MATEO TERRACE MAP NO 3 RSM 21/76 77 CITY OF SAN MATEO
Legal Subdivision	SAN MATEO TERRACE MAP NO 3
Legal Block	8
Legal Lot Number	5
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	3
Census Block	3015
Census Tract	607400

Owner

425 27th Ave is held in a trust since May 2017.

Source: San Mateo County records, as of July 15, 2026

Owner of Record	2 Trust Names on File
Mailing Address	425 27TH AVE, SAN MATEO, CA 94403-2401
Owner Type	Company
Vesting	Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Jan 5, 2018	Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA
Apr 14, 2020	Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA
May 15, 2017	Grant Deed, Transfer ABC ASSOCIATES
May 8, 2017	Affidavit of Death, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 15, 2017 · Amount on File
Deed Sale	May 15, 2017 · Amount on File
Deed Document Number	201741923
Prior Transfer Date	Jul 24, 2012
Prior Transfer Doc	0000110593
Record Updated	Oct 29, 2026

January 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	425 27TH AVE, SAN MATEO, CA 94403-2401
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	OLD REPUBLIC TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000595
Date	Jan 5, 2018
Instrument	2018-000595

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank
Address	SAN MATEO, CA 94403

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Feb 1, 2048

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	425 27TH AVE, SAN MATEO, CA 94403-2401
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	AMROCK TITLE CALIFORNIA INC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000033489
Date	Apr 14, 2020
Instrument	2020-033489

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank
Address	COLUMBUS, OH 43240

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2050

May 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	May 15, 2017
Property Address	425 27TH AVE, SAN MATEO, CA 94403-2401
Document Number	0000041923
Map Reference	MAP21 PG76&77
Instrument Date	May 10, 2017
Instrument	2017-041923
Transaction Type	Transfer
Record Updated	Aug 9, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	425 27TH AVE, SAN MATEO, CA 94403-2401

Mortgage

Document Number	0000041924
Date	May 15, 2017
Instrument	2017-041924

Lender

Name	ABC ASSOCIATES
Type	Non-Lending Institution

Agreement

Amount	Amount on Record

May 2017: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	SAN MATEO CA
Recording Date	May 8, 2017
Property Address	425 27TH AVE, SAN MATEO, CA 94403-2401
Document Number	0000039712
Instrument Date	Apr 17, 2017
Instrument	39712
Transaction Type	Transfer
Record Updated	May 22, 2017
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2738 RAMOS CT MOUNTAIN VIEW CA 940403906, MOUNTAIN VIEW, CA 94040-3906

Tax Assessment & Valuation

The 2025 property tax bill for 425 27th Ave was $26,391.

Source: San Mateo County assessment roll, as of July 15, 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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$2,205,040 (+2%) Land $1,503,419 Building $701,621
2025	$26,391.00	$2,161,806 Land $1,473,941 Building $687,865
2023	$25,272.00 (+1.87%)	$2,077,863 Land $1,416,707 Building $661,156	$1,876,590
2022	$24,807.00

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

Flood

FEMA maps place 425 27th Ave in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1978.

Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force
Nearby Flood Claims	4 (1978–1986)
Most Recent Claim	Feb 1986 · Severe Storms & Flooding

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.

Wildfire

Wildfire risk around 425 27th Ave is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 99.1% of the US · lower than 99.2% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CALIFORNIA WATER SERVICE - SAN MATEO private · serves 103,536 people · EPA ID CA4110008
Water Source	Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State Inspection	Mar 2025
Lead	4 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 799 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50

May also be available: Etheric Networks, GeoLinks, T-Mobile, Verizon.

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