139 Warren Rd, San Mateo, CA 94401 Property Records

San Mateo County property record for 139 Warren Rd, San Mateo, CA 94401

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,970 sqft · built 1928
Lot Size	0.26 acres (11,319 sqft)
Owner	2 Individual Names on Record
Last Sale	$3,175,000 (Jul 2023)
Tax Bill	$38,642 (2025)
Deeds & Mortgages	Sep 2023 Mortgage Jul 2023 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`032-083-180`

Property Details

APN / Parcel Number

Primary APN	`032-083-180`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,970 sqft Living Area
1st Floor Area	1,970 sqft
Family Room	Family Room

Exterior

Year Built	Built 1928
Effective Year Built	Effective 1928
Lot Area	11,319 sqft (0.26 acres)
Lot Dimensions	241 ft deep x 47 ft wide
Garage Type	Carport
Carport	Carport
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	139 WARREN RD
City	SAN MATEO
State	CA
Zip	94401-3719
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10010
Legal Description	LOT 1 SUB OF LOT 80 SAN MATEO PARK RSM 18/2 CITY OF SAN MATEO
Legal Subdivision	SAN MATEO PARK
Legal Lot Number	1,80
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	1
Census Block	1003
Census Tract	605800

Owner

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

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

Owner of Record	2 Individual Names on Record
Mailing Address	139 WARREN RD, SAN MATEO, CA 94401-3719
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Sep 6, 2023	Deed of Trust, Mortgage · Conventional Mortgage UBS BANK USA
Jul 5, 2023	Intrafamily Transfer, Transfer ACCOMODATION, ACCOMMODATION
Jul 5, 2023	Grant Deed, Transfer · Conventional Mortgage PNC BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 5, 2023 · Amount on Record
Deed Sale	Jul 5, 2023 · Amount on Record
Deed Document Number	202331959
Prior Transfer Date	Jun 28, 2023
Prior Transfer Doc	0000031961
Record Updated	Sep 20, 2026

September 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	139 WARREN RD, SAN MATEO, CA 94401-3719
Transaction Type	Mortgage
Record Updated	Oct 6, 2023
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	139 WARREN RD, SAN MATEO, CA 94401-3719

Mortgage

Document Number	0000043060
Date	Sep 6, 2023
Instrument	2023-043060

Lender

Name	UBS BANK USA
Type	Bank
Address	SALT LAKE CITY, UT 84111

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2053

Interest

Rate Type	Adjustable Rate
Rate	5.75%
Type Change Date	Oct 1, 2028
Change Frequency	6 Months
Min Rate At Change	3%
Max Rate At Change	10.7%
Margin	3
Max Rate	15.7%

July 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Jul 5, 2023
Property Address	139 WARREN RD, SAN MATEO, CA 94401-3719
Document Number	0000031961
Map Reference	MB 18 PG 2
Instrument Date	Jun 28, 2023
Instrument	2023-031961
Transaction Type	Transfer
Record Updated	Jul 31, 2023
Title Company	ACCOMODATION, ACCOMMODATION

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 with Right of Survivorship
Address	139 WARREN RD, SAN MATEO, CA 94401-3719

July 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Jul 5, 2023
Property Address	139 WARREN RD, SAN MATEO, CA 94401-3719
Document Number	0000031959
Map Reference	MB 18 PG 2
Instrument Date	Jun 27, 2023
Instrument	2023-031959
Transaction Type	Transfer
Record Updated	Jul 31, 2023
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$19,367.50
Amount Accuracy	Calculated from Transfer Tax
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	139 WARREN RD, SAN MATEO, CA 94401-3719

Mortgage

Document Number	0000031960
Date	Jul 5, 2023
Instrument	2023-031960

Lender

Name	PNC BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2053

Interest

Rate Type	Adjustable Rate
Rate	6.25%
Type Change Date	Aug 1, 2028
Change Frequency	6 Months
Min Rate At Change	4.25%
Max Rate At Change	8.25%
Margin	3
Max Rate	11.2%

Tax Assessment & Valuation

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		$3,303,270 (+2%) Land $2,705,040 Building $598,230
2025	$38,642.00 (-0.25%) Homeowner's exemption	$3,238,500 (-0.78%) Land $2,652,000 Building $586,500
2023	$38,740.00 (+888.52%)	$3,264,000 Land $2,631,600 Building $632,400	$2,765,700
2022	$3,919.00

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

Flood

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	3 in force
Nearby Flood Claims	1 (2012)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Mar 2012 · rainfall accumulation

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

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 713 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
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
Sonic Telecom Fiber	1,000 / 1,000
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Verizon.

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