1. Home
  2. California
  3. Contra Costa County
  4. Clayton
  5. Suisun Ct

509 Suisun Ct, Clayton, CA 94517 Property Records

Contra Costa County property record for 509 Suisun Ct, Clayton, CA 94517

Property Summary

Property TypeTownhouse
Details2 bd · 2 ba · 1,235 sqft · built 1993
Lot Size0.161 acres (7,015 sqft)
OwnerIndividual Name on File
Last Sale$620,000 (Sep 2018)
Tax Bill$9,806 (2025)
Deeds & MortgagesSep 2018 Sale
Flood ZoneZone X (minimal risk)
APN118-460-059-9

Property Details

APN / Parcel Number

Primary APN118-460-059-9
Alternative APN
  • 118-460-059

Interior

Bedrooms2 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,235 sqft Living Area
1st Floor Area1,235 sqft

Exterior

Year BuiltBuilt 1993
Effective Year BuiltEffective 1993
Architectural StyleTownhouse
Lot Area7,015 sqft (0.161 acres)
Garage TypeAttached
Garage Area451 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address509 SUISUN CT
CityCLAYTON
StateCA
Zip94517-1229
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Townhouse
Legal DescriptionT7311 L59
Legal SubdivisionBLACK DIAMOND SUB 7311
Legal Tract7311
Legal Lot Number59
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2000
Census Tract355308

Owner

509 Suisun Ct, a townhouse, is owned by an individual who acquired it in August 2024.

Source: Contra Costa County records, as of July 14, 2026

Owner of RecordIndividual Name on File
Mailing Address1152 SAINT TIMOTHY PL, 103, CONCORD, CA 94518-1886
Owner TypeIndividual
VestingSurviving Spouse

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

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleSep 4, 2018 · Amount on File
Deed SaleSep 4, 2018 · Amount on File
Prior SaleNov 22, 2000 · Amount on File
Deed Document Number2018140944
Last Transfer DateAug 16, 2024
Transfer Doc0000082879
Record UpdatedSep 20, 2026

September 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateSep 4, 2018
Property Address509 SUISUN CT, CLAYTON, CA 94517-1229
Document Number0000140944
Instrument DateAug 29, 2018
Instrument140944
Transaction TypeTransfer
Record UpdatedSep 13, 2018
Title CompanyOLD REPUBLIC TITLE

Transaction

AmountAmount on Record
Tax$682.00
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address509 SUISUN CT CLAYTON CA 945171229, CLAYTON, CA 94517-1229

Tax Assessment & Valuation

The 2025 property tax bill for 509 Suisun Ct was $9,806.

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$769,896 (+2%) Land $483,786 Building $286,110
2025$9,806.00$754,800 Land $474,300 Building $280,500
2023$8,523.00 (+0.64%) Homeowner's exemption$664,762 Land $407,435 Building $257,327
2022$8,469.00

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

Flood

FEMA maps place 509 Suisun Ct in Zone X, an area of minimal flood risk.

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 Policies3 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

Wildfire risk around 509 Suisun Ct is moderate, ranking above 51% of the US, with a 0.09% annual chance of wildfire.

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

Wildfire RiskModerate
above 51% of the US · lower than 69% of California
Wildfire Likelihood0.09% 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 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 471 locations within half a mile, as of December 31, 2025

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

May also be available: Astound Broadband, Verizon.

Nearby Properties on Suisun Ct

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures