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230 Mountaire Cir, Clayton, CA 94517 Property Records

Contra Costa County property record for 230 Mountaire Cir, Clayton, CA 94517

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 2,141 sqft · built 1974
Lot Size0.255 acres (11,115 sqft)
Owner2 Individual Names on File
Last Sale$634,000 (Jun 2012)
Tax Bill$10,139 (2025)
Deeds & MortgagesDec 2025 Line of Credit
Feb 2021 Mortgage
Flood ZoneZone X (minimal risk)
APN119-201-007

Property Details

APN / Parcel Number

Primary APN119-201-007
Alternative APN
  • 119-201-007-0

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms10 Rooms
Stories1 Story
Building Area2,141 sqft Living Area
1st Floor Area1,731 sqft
Basement Area410 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1974
Effective Year BuiltEffective 1990
Architectural StyleRanch
Exterior MaterialStucco
Construction TypeFrame
Roof MaterialTile
Lot Area11,115 sqft (0.255 acres)
Lot Dimensions117 ft deep x 95 ft wide
Garage TypeAttached
Garage Area491 sqft
Parking Spaces2 Parking Spaces
Deck AreaDeck Area

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address230 MOUNTAIRE CIR
CityCLAYTON
StateCA
Zip94517-1553
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeP-1
Legal DescriptionTRACT 4013 LOT 7 EX MR
Legal SubdivisionSUBDIVISION 4013
Legal Tract4013
Legal Lot Number7
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group3
Census Block3006
Census Tract355306

Owner

Source: Contra Costa County assessment roll, as of July 14, 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 File
Mailing Address230 MOUNTAIRE CIR, CLAYTON, CA 94517-1553
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Dec 5, 2025Deed of Trust, Mortgage · Line of Credit
HOMETRUST BANK
Feb 8, 2021Deed of Trust, Mortgage · Conventional Mortgage
MORTGAGE EXPRESS LLC

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleJun 26, 2012 · Amount on Record
Deed SaleJun 26, 2012 · Amount on Record
Prior SaleSep 24, 2010 · Amount on Record
Deed Document Number2012150269
Record UpdatedSep 20, 2026

December 2025: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address230 MOUNTAIRE CIR, CLAYTON, CA 94517-1553
Transaction TypeMortgage
Record UpdatedDec 18, 2025
Title CompanyFIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address230 MOUNTAIRE CIR, CLAYTON, CA 94517-1553

Mortgage

Document Number0000136356
DateDec 5, 2025
Instrument2025- 136356
Lender
NameHOMETRUST BANK
TypeBank
Address10 WOODFIN ST, ASHEVILLE, NC 28801
Agreement
TypeLine of Credit
AmountAmount Recorded
Term360 Months
DueDec 4, 2055
Interest
Change FrequencyMonthly

February 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address230 MOUNTAIRE CIR, CLAYTON, CA 94517-1553
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyWFG NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address230 MOUNTAIRE CIR, CLAYTON, CA 94517-1553

Mortgage

Document Number0000037880
DateFeb 8, 2021
Instrument2021-037880
Lender
NameMORTGAGE EXPRESS LLC
TypeMortgage Company
AddressPORTLAND, OR 97223
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueFeb 1, 2051

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityClayton City
Unified School DistrictMount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$812,256 (+2%) Land $409,971 Building $402,285
2025$10,139.00 (+4.42%)$796,331 (+4.04%) Land $401,933 Building $394,398
2023$9,710.00 (+1.31%)$765,410 Land $386,326 Building $379,084
2022$9,584.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 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

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 RiskModerate
above 67% of the US · above 42% of California
Wildfire Likelihood0.2% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCONTRA COSTA WATER DISTRICT
serves 210,500 people · EPA ID CA0710003
Water SourceSurface water
Last State InspectionJan 2022
LeadUnder 1 ppb (2026–2028)
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 351 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20
T-Mobile USA
Fixed Wireless		100 / 20

May also be available: AT&T, Radiate Holdings.

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