3908 Donner St, San Mateo, CA 94403 Property Records

San Mateo County property record for 3908 Donner St, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,050 sqft · built 1946
Lot Size	0.116 acres (5,040 sqft)
Owner	2 Trust Names on File
Last Sale	$910,000 (Oct 2014)
Tax Bill	$14,070 (2025)
Deeds & Mortgages	Feb 2019 Mortgage Sep 2019 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`042-153-060`

Property Details

APN / Parcel Number

Primary APN	`042-153-060`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,050 sqft Living Area
1st Floor Area	1,050 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1946
Effective Year Built	Effective 1946
Lot Area	5,040 sqft (0.116 acres)
Lot Dimensions	90 ft deep x 56 ft wide
Garage Area	190 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	3908 DONNER ST
City	SAN MATEO
State	CA
Zip	94403-4531
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 2 MULRYAN TERRACE RSM 23/74 CITY OF SAN MATEO
Legal Subdivision	MULRYAN TERRACE
Legal Lot Number	2
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2013
Census Tract	607200

Owner

3908 Donner St is owner-occupied and held in a trust since February 2018.

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

Owner of Record	2 Trust Names on File
Mailing Address	1080 MARLIN AVE, FOSTER CITY, CA 94404-1812
Occupancy	Owner Occupied
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
Feb 14, 2019	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Sep 13, 2019	Deed of Trust, Mortgage · Conventional Mortgage SIERRA PACIFIC MORTGAGE CO INC
May 22, 2020	Deed of Trust, Mortgage · Conventional Mortgage SIERRA PACIFIC MORTGAGE CO INC
Feb 27, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 20, 2014 · Amount on File
Deed Sale	Oct 20, 2014 · Amount on File
Prior Sale	Mar 22, 2010 · Amount on File
Deed Document Number	201494989
Last Transfer Date	Feb 21, 2018
Transfer Doc	0000013466
Record Updated	Oct 29, 2026

February 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	3908 DONNER ST, SAN MATEO, CA 94403-4531
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000010293
Date	Feb 14, 2019
Instrument	2019-010293

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Mar 1, 2049

September 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	3908 DONNER ST, SAN MATEO, CA 94403-4531
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000075046
Date	Sep 13, 2019
Instrument	2019-075046

Lender

Name	SIERRA PACIFIC MORTGAGE CO INC
Type	Mortgage Company
Address	FOLSOM, CA 95630

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	241 Months
Due	Oct 1, 2039

May 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	3908 DONNER ST, SAN MATEO, CA 94403-4531
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	OLD REPUBLIC TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000047043
Date	May 22, 2020
Instrument	2020-047043

Lender

Name	SIERRA PACIFIC MORTGAGE CO INC
Type	Mortgage Company
Address	FOLSOM, CA 95630

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	241 Months
Due	Jun 1, 2040

February 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Feb 27, 2019
Property Address	3908 DONNER ST, SAN MATEO, CA 94403-4531
Document Number	0000013466
Instrument Date	Feb 21, 2019
Instrument	13466
Transaction Type	Transfer
Record Updated	Mar 12, 2019
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	3908 DONNER ST SAN MATEO CA 944034531, SAN MATEO, CA 94403-4531

Tax Assessment & Valuation

The 2025 property tax bill for 3908 Donner St was $14,070 with a homeowner's exemption.

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		$1,115,544 (+2%) Land $557,772 Building $557,772
2025	$14,070.00 Homeowner's exemption	$1,093,672 Land $546,836 Building $546,836
2023	$13,575.00 (+1.76%) Homeowner's exemption	$1,051,204 Land $525,602 Building $525,602	$1,063,170
2022	$13,340.00

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

Flood

FEMA maps place 3908 Donner St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1986.

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 Claims	1 (1986)
Claims Outside the SFHA	1 of 1
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

The area around 3908 Donner St has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire Risk	Not rated no burnable land within 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 785 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
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100

May also be available: GeoLinks, T-Mobile.

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