231 Castleton Way, San Bruno, CA 94066 Property Records

San Mateo County property record for 231 Castleton Way, San Bruno, CA 94066

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,780 sqft · built 1961
Lot Size0.115 acres (5,000 sqft)
Owner2 Individual Names on Record
Last Sale$260,000 (Apr 1997)
Tax Bill$6,270 (2025)
Deeds & MortgagesJun 2026 Line of Credit
Feb 2021 Mortgage
Flood ZoneZone X (minimal risk)
APN017-381-080

Property Details

APN / Parcel Number

Primary APN017-381-080

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,780 sqft Living Area
Gross Area2,360 sqft
1st Floor Area1,330 sqft
Basement Area830 sqft
Finished Basement250 sqft
Unfinished Basement580 sqft
Family RoomFamily Room
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1961
Effective Year BuiltEffective 1961
Architectural StyleRanch
Exterior MaterialWood Siding
Construction TypeFrame
Roof MaterialComposition Shingle
Lot Area5,000 sqft (0.115 acres)
Lot Dimensions100 ft deep x 50 ft wide
Garage TypeBasement
Garage Area580 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address231 CASTLETON WAY
CitySAN BRUNO
StateCA
Zip94066-1644
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal DescriptionLOT 20 BLOCK 18 PACIFIC HEIGHTS NO 7 RSM 54/38
Legal SubdivisionPACIFIC HEIGHTS NO 7
Legal Block18
Legal Lot Number20
JurisdictionSAN MATEO CA
Township / Civil DivisionSOUTH SAN FRANCISCO
Census Block Group2
Census Block2006
Census Tract614000

Owner

Source: San Mateo County records, as of July 22, 2026

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

Owner of Record2 Individual Names on Record
Mailing Address231 CASTLETON WAY, SAN BRUNO, CA 94066-1644
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Jun 24, 2026Deed of Trust, Mortgage · Line of Credit
FINANCIAL PARTNERS CREDIT UNION
Feb 1, 2021Deed of Trust, Mortgage · Conventional Mortgage
LOANDEPOT.COM LLC

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleApr 3, 1997 · Amount on Record
Deed SaleApr 3, 1997 · Amount on Record
Deed Document Number199738232
Record UpdatedSep 20, 2026

June 2026: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Recording DateJun 24, 2026
Property Address231 CASTLETON WAY, SAN BRUNO, CA 94066-1644
Document Number0000036172
Instrument DateJun 17, 2026
Instrument202636172
Transaction TypeMortgage
Record UpdatedJul 22, 2026
Title CompanyNONE LISTED ON DOCUMENT

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants, 205
Address231 CASTLETON WAY, SAN BRUNO, CA 94066-1644

Mortgage

Document Number0000036172,
DateJun 24, 2026
Instrument202636172
Lender
NameFINANCIAL PARTNERS CREDIT UNION
Agreement
TypeLine of Credit
AmountAmount Recorded
Term300 Months
DueJun 24, 2051
Interest
Rate TypeAdjustable Rate
Rate6.51%
Initial TypeAdjustable Rate
AdjustableAdjustable Rate Rider
Max Rate-1%

February 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address231 CASTLETON WAY, SAN BRUNO, CA 94066-1644
Transaction TypeMortgage
Record UpdatedFeb 26, 2021
Title CompanyTIMIOS INC

Transferred To (Grantee/Buyer)

NameVerified Name
Address231 CASTLETON WKY, SAN BRUNO, CA 94066-1644

Mortgage

Document Number0000015462
DateFeb 1, 2021
Instrument2021-015462
Lender
NameLOANDEPOT.COM LLC
TypeMortgage Company
AddressFOOTHILL RANCH, CA 92610
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term240 Months
DueFeb 1, 2041

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountySan Mateo County
MunicipalitySan Bruno City
Elementary School DistrictSan Bruno Park 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$431,904 (+2%) Land $215,952 Building $215,952
2025$6,270.00 (+38.23%)$423,436 (+4.04%) Land $211,718 Building $211,718
2023$4,536.00 (+1.14%)$406,996 Land $203,498 Building $203,498$1,223,370
2022$4,485.00

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 Policies1 in force

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 66% of the US · lower than 80% of California
Wildfire Likelihood0.05% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 SystemCITY OF SAN BRUNO
serves 42,631 people · EPA ID CA4110023
Water SourcePurchased surface water from several systems
Last State InspectionJul 2024
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 178 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber
5,000 / 5,000
Xfinity
Cable · Fiber in parts of the area
2,000 / 250
Unwired
Fixed Wireless
300 / 25
Verizon
Fixed Wireless
300 / 20
Starlink
Satellite
280 / 30
Etheric Networks
Fixed Wireless
250 / 100

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