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450 Leon Ct, Clayton, CA 94517 Property Records

Contra Costa County property record for 450 Leon Ct, Clayton, CA 94517

Property Summary

Property TypeRural Home
Details3,056 sqft · built 1990
Lot Size5.1 acres (222,591 sqft)
OwnerIndividual Name on File
Last Sale$600,000 (Apr 2018)
Tax Bill$9,512 (2025)
Deeds & MortgagesApr 2018 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN080-160-011-5

Property Details

APN / Parcel Number

Primary APN080-160-011-5
Alternative APN
  • 080-160-011

Interior

Stories1 Story
Building Area3,056 sqft Living Area
1st Floor Area3,056 sqft

Exterior

Year BuiltBuilt 1990
Effective Year BuiltEffective 1997
Lot Area222,591 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address450 LEON CT
CityCLAYTON
StateCA
Zip94517-9777
Property CategoryResidential
Property TypeResidential > Single Family > Rural Home
Local Zoning CodeA2
Legal DescriptionPCL MAP 104 PG 27 PCL B
Legal Tract104PM27
JurisdictionCONTRA COSTA CA
Township / Civil DivisionTASSAJARA
Census Block Group1
Census Block1042
Census Tract355112

Owner

Source: Contra Costa County records · APN 080-160-011-5

Assessment roll updated July 14, 2026 · Last verified July 2026

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

Owner of RecordIndividual Name on File
Mailing Address450 LEON CT, CLAYTON, CA 94517-9777
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleApr 20, 2018 · Amount on Record
Deed SaleApr 20, 2018 · Amount on Record
Prior SaleMay 21, 2013 · Amount on Record
Deed Document Number201861830
Prior Transfer DateApr 17, 2018
Prior Transfer Doc0000061830
Record UpdatedSep 20, 2026

April 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateApr 20, 2018
Property Address450 LEON CT, CLAYTON, CA 94517-9777
Document Number0000061830
Map ReferenceMB 104 PG 27
Instrument DateApr 17, 2018
Instrument2018-061830
Transaction TypeTransfer
Record UpdatedNov 03, 2022
Title CompanyOLD REPUBLIC TITLE COMPANY

Transaction

AmountAmount Recorded
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address450 LEON CT, CLAYTON, CA 94517-9777

Mortgage

Document Number0000061831
DateApr 20, 2018
Instrument2018-061831
Lender
NameSTONECREST LENDING INC
TypeNon-Lending Institution
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMay 01, 2048

Mortgage

Document Number0000061831
DateApr 20, 2018
Instrument2018-061831
Lender
NameSTONECREST LENDING INC
TypeNon-Lending Institution
AddressOAKLEY, CA 94561
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMay 01, 2048

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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

YearTax BillAssessed Value
2026$870,434 (+2%) Land $464,232 Building $406,202
2025$9,512.00 (+3.76%)$853,368 (+4.04%) Land $455,130 Building $398,238
2023$9,167.00 (+0.87%)$820,232 Land $437,457 Building $382,775
2022$9,088.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), as of October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133551121, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone A, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 14 policies
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies14 in force
Nearby Flood Claims2 (1982–2017)
Most Recent ClaimJan 2017 · Severe Winter Storms, Flooding, And Mudslides

Wildfire

Wildfire RiskVery High
above 90% of the US · above 73% of California
Wildfire Likelihood1% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

ProviderMax Down / Up (Mbps)
Starlink
Satellite		280 / 30

Based on FCC filings for 31 locations within half a mile of this property.

Cell Coverage

4G LTE (outdoors only), no 5G reported

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CA0710003, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water SystemCONTRA COSTA WATER DISTRICT
serves 210,500 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.

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