4 Windsor Dr, Hillsborough (Burlingame), CA 94010 Property Records

San Mateo County property record for 4 Windsor Dr, Hillsborough, CA 94010

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 2,985 sqft · built 1949
Lot Size0.501 acres (21,843 sqft)
Owner2 Company Names on Record
Last Sale$1,699,000 (Sep 2019)
Tax Bill$61,162 (2025)
Deeds & MortgagesMar 2021 Mortgage
Dec 2018 Mortgage
+ 1 more
Flood ZoneZone X (minimal risk)
APN028-160-320

Property Details

APN / Parcel Number

Primary APN028-160-320

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms9 Rooms
Stories1 Story
Building Area2,985 sqft Living Area
1st Floor Area2,780 sqft
Family RoomFamily Room

Exterior

Year BuiltBuilt 1949
Effective Year BuiltEffective 1949
Lot Area21,843 sqft (0.501 acres)
Garage Area500 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address4 WINDSOR DR
CityHILLSBOROUGH
StateCA
Zip94010-6359
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10025
Legal DescriptionLOT 19 LESS NE STRIP 10 FT X 50.09 FT X 140.96 FT NEWHALL MANOR RSM 22/39 TOWN OF HILLSBOROUGH
Legal SubdivisionNEWHALL MANOR
Legal Lot Number19
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group1
Census Block1002
Census Tract605600

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 Record2 Company Names on Record
Mailing Address4 WINDSOR DR, HILLSBOROUGH, CA 94010-6359
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Mar 23, 2021Deed of Trust, Mortgage · Conventional Mortgage
HOMEBRIDGE FINANCIAL SERVICES INC
Dec 14, 2018Deed of Trust, Mortgage · Conventional Mortgage
UNITED WHOLESALE MORTGAGE
Jul 18, 2019Deed of Trust, Mortgage · Conventional Mortgage
UNITED WHOLESALE MORTGAGE

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 9, 2019 · Amount on Record
Deed SaleSep 9, 2019 · Amount on Record
Prior SaleJun 30, 2014 · Amount on Record
Deed Document Number201972920
Prior Transfer DateJul 24, 2014
Prior Transfer Doc0000069882
Record UpdatedSep 20, 2026

March 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address4 WINDSOR DR, HILLSBOROUGH, CA 94010-6359
Transaction TypeMortgage
Record UpdatedApr 27, 2021
Title CompanyFIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name
Address4 WINDSOR DR, HILLSBOROUGH, CA 94010-6359

Mortgage

Document Number0000046490
DateMar 23, 2021
Instrument2021-046490
Lender
NameHOMEBRIDGE FINANCIAL SERVICES INC
TypeMortgage Company
AddressISELIN, NJ 08830
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueApr 1, 2051

December 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address4 WINDSOR DR, HILLSBOROUGH, CA 94010-6359
Transaction TypeMortgage
Record UpdatedFeb 5, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000097681
DateDec 14, 2018
Instrument2018-097681
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
AddressPONTIAC, MI 48341
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJan 1, 2049

July 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address4 WINDSOR DR, HILLSBOROUGH, CA 94010-6359
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanyFIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000055876
DateJul 18, 2019
Instrument2019-055876
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
AddressPONTIAC, MI 48341
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueAug 1, 2049

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountySan Mateo County
MunicipalityHillsborough Town
Elementary School DistrictHillsborough 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$5,031,822 (+2%) Land $3,626,101 Building $1,405,721
2025$61,162.00 (+3.78%) Homeowner's exemption$4,933,160 (+4.04%) Land $3,555,001 Building $1,378,159
2023$58,932.00 (+4.26%) Homeowner's exemption$4,741,602 Land $3,416,957 Building $1,324,645$4,831,830
2022$56,523.00

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 Policies4 in force
Nearby Flood Claims3 (1998–2023)
Claims Outside the SFHA3 of 3
Most Recent ClaimJan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides

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 RiskLow
lower than 99.1% of the US · lower than 99.2% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
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 SystemTOWN OF HILLSBOROUGH
serves 11,766 people · EPA ID CA4110016
Water SourcePurchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State InspectionMar 2026
LeadUnder 1 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 364 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Astound Broadband
Cable
1,500 / 50
Verizon
Fixed Wireless
300 / 20
AT&T
DSL · Fiber, Fixed Wireless in parts of the area
100 / 20

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

Nearby Properties on Windsor Dr

Nearby Streets

Search Property Records by Address or Parcel Number