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4011 Donner St, San Mateo, CA 94403 Property Records

San Mateo County property record for 4011 Donner St, San Mateo, CA 94403

Property Summary

Property TypeSingle Family Home
Details3 bd · 3 ba · 1,730 sqft · built 1950
Lot Size0.132 acres (5,745 sqft)
Owner2 Individual Names on Record
Last Sale$2,255,000 (Mar 2022)
Tax Bill$24,624 (2025)
Deeds & MortgagesMar 2022 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN042-232-010

Property Details

APN / Parcel Number

Primary APN042-232-010

Interior

Bedrooms3 Beds
Full Baths3 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,730 sqft Living Area
Gross Area2,280 sqft
1st Floor Area1,510 sqft
Basement Area770 sqft
Finished Basement220 sqft
Unfinished Basement550 sqft
Family RoomFamily Room

Exterior

Year BuiltBuilt 1950
Effective Year BuiltEffective 1950
Lot Area5,745 sqft (0.132 acres)
Lot Dimensions95 ft deep x 61 ft wide
View / LotCorner
Garage TypeBasement
Garage Area550 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address4011 DONNER ST
CitySAN MATEO
StateCA
Zip94403-4532
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal DescriptionLOT 1 BLOCK 7 SAN MATEO KNOLLS RSM 22/8 9 CITY OF SAN MATEO
Legal SubdivisionSAN MATEO KNOLLS
Legal Block7
Legal Lot Number1
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group2
Census Block2012
Census Tract607200

Owner

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

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

Owner of Record2 Individual Names on Record
Mailing Address4011 DONNER ST, SAN MATEO, CA 94403-4532
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMar 9, 2022 · Amount on Record
Deed SaleMar 9, 2022 · Amount on Record
Deed Document Number202220587
Prior Transfer DateAug 4, 1995
Prior Transfer Doc0000082442
Record UpdatedOct 29, 2026

March 2022: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSAN MATEO CA
Recording DateMar 9, 2022
Property Address4011 DONNER ST, SAN MATEO, CA 94403-4532
Document Number0000020587
Map ReferenceMB 22 PG 8&9
Instrument DateFeb 24, 2022
Instrument2022-020587
Transaction TypeTransfer
Record UpdatedApr 1, 2022
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$13,755.50
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property with Right of Survivorship
Address4011 DONNER ST, SAN MATEO, CA 94403-4532

Mortgage

Document Number0000020588
DateMar 9, 2022
Instrument2022-020588
Lender
NameFIRST REPUBLIC BANK
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueApr 1, 2052

Tax Assessment & Valuation

Source: San Mateo County assessment roll, as of July 15, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountySan Mateo County
MunicipalitySan Mateo City
Elementary School DistrictSan Mateo-Foster City Elementary School District (KG - 08)
Secondary School DistrictSan Mateo Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$2,000,000 (-) Land $1,529,500 Building $470,500
2025$24,624.00 (+9.77%) Homeowner's exemption$2,000,000 (+10.8%) Land $1,529,500 Building $470,500
2023$22,433.00 (+4.75%) Homeowner's exemption$1,805,000 Land $1,381,000 Building $424,000$1,846,890
2022$21,415.00

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 ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Claims1 (1986)
Claims Outside the SFHA1 of 1
Most Recent ClaimFeb 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

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

Wildfire RiskNot 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 SystemCALIFORNIA WATER SERVICE - SAN MATEO
private · serves 103,536 people · EPA ID CA4110008
Water SourcePurchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State InspectionMar 2025
Lead4 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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

ProviderMax 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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