316 Preakness Ct, Walnut Creek, CA 94597 Property Records

Contra Costa County property record for 316 Preakness Ct, Walnut Creek, CA 94597

Property Summary

Property TypeCondominium
Details3 bd · 2.5 ba · 1,360 sqft · built 1986
Lot Size0.021 acres (926 sqft)
Owner2 Company Names on File
Tax Bill$4,967 (2025)
Flood ZoneZone X (minimal risk)
APN173-250-045-7

Property Details

APN / Parcel Number

Primary APN173-250-045-7
Alternative APN
  • 173-250-045

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms7 Rooms
Stories2 Stories
Building Area1,360 sqft Living Area
1st Floor Area645 sqft
2nd Floor Area715 sqft

Exterior

Year BuiltBuilt 1986
Effective Year BuiltEffective 1988
Architectural StyleCondo/Apartment
Lot Area926 sqft (0.021 acres)
Garage TypeAttached
Garage Area171 sqft

Location & Zoning

Street Address316 PREAKNESS CT
CityWALNUT CREEK
StateCA
Zip94597-3686
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Condominium
Local Zoning CodePUD
Legal DescriptionT6461 BL U127
Legal Tract6461
Legal BlockU12
Legal Lot NumberL
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2001
Census Tract339004

Owner

316 Preakness Ct, a condominium, is owned by a company that acquired it in December 2010.

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

Owner of Record2 Company Names on File
Mailing Address10 ALOYSE CT, WALNUT CREEK, CA 94596-5776
Owner TypeCompany
VestingLife Tenant

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 Names2 Names on Deed
Last Transfer DateDec 22, 2010
Transfer Doc0000035545
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 316 Preakness Ct was $4,967.

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityWalnut Creek City
Secondary School DistrictAcalanes Union High School District (09 - 12)
Elementary School DistrictWalnut Creek Elementary School District (KG - 08)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$794,935 (+122.69%) Land $452,671 Building $342,264
2025$4,967.00$356,974 Land $176,808 Building $180,166
2023$4,824.00 (+1.17%)$343,115 Land $169,944 Building $173,171
2022$4,768.00

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

Flood

FEMA maps place 316 Preakness Ct in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 316 Preakness Ct is low, with a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% 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 SystemEAST BAY MUD
serves 1,468,000 people · EPA ID CA0110005
Water SourceSurface water
Last State InspectionDec 2021
LeadUnder 1 ppb (2022–2024)
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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 535 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Astound Broadband
Cable · Fiber in parts of the area
1,500 / 50
Unwired
Fixed Wireless
300 / 25
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20
AT&T
DSL · Fixed Wireless in parts of the area
100 / 20

May also be available: Sonic Telecom.

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