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  5. Clayton Rd

5375 Clayton Rd, Concord, CA 94521 Property Records

Contra Costa County property record for 5375 Clayton Rd, Concord, CA 94521

Property Summary

Property TypeCommercial Office
Details2,184 sqft · built 1965
Lot Size0.24 acres (10,454 sqft)
Owner2 Company Names on Record
Last Sale$480,000 (Nov 2015)
Tax Bill$7,394 (2025)
Deeds & MortgagesSep 2026 Transfer
Nov 2025 Sale
Flood ZoneZone X (minimal risk)
APN117-170-023-8

Property Details

APN / Parcel Number

Primary APN117-170-023-8
Alternative APN
  • 117-170-023

Interior

Total Rooms1 Room
Stories1 Story
Building Area2,184 sqft Gross Area
1st Floor Area2,184 sqft

Exterior

Year BuiltBuilt 1965
Effective Year BuiltEffective 1965
Lot Area10,454 sqft (0.24 acres)

Location & Zoning

Street Address5375 CLAYTON RD
CityCONCORD
StateCA
Zip94521-3206
Property CategoryCommercial
Property TypeCommercial > Office > Commercial Office
Legal DescriptionPOR RO MONTE DEL DIABLO
Legal SubdivisionMONTE DEL DIABLO RHO
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group3
Census Block3010
Census Tract333102

Owner

Source: Contra Costa County records, as of September 17, 2026

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

Owner of Record2 Company Names on Record
Mailing Address128 WIDMAR PL, CLAYTON, CA 94517-1355
Owner TypeCompany
VestingTrust, Family Trust

Deeds, Mortgages & Sale History

DateDocument
Sep 1, 2026Correction Deed
NONE LISTED ON DOCUMENT
Nov 6, 2025Grant Deed, Transfer

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleNov 3, 2015 · Amount on Record
Deed SaleNov 3, 2015 · Amount on Record
Prior SaleMar 15, 1996 · Amount on Record
Deed Document Number2015231486
Prior Transfer DateMar 25, 2004
Prior Transfer Doc0000187911
Record UpdatedOct 29, 2026

September 2026: Correction Deed

Document TypeCorrection Deed
JurisdictionCONTRA COSTA CA
Recording DateSep 1, 2026
Property Address5375 CLAYTON RD, CONCORD, CA 94521-3206
Document Number0000092420
Instrument DateAug 26, 2026
Instrument202692420
Record UpdatedSep 9, 2026
Title CompanyNONE LISTED ON DOCUMENT

Transaction

Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust
Address128 WIDMAR PL, CLAYTON, CA 94517-1355

November 2025: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateNov 6, 2025
Property Address5375 CLAYTON RD, CONCORD, CA 94521-3206
Document Number0000125532
Instrument DateNov 6, 2025
Instrument2025- 125532
Transaction TypeTransfer
Record UpdatedNov 19, 2025

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address128 WIDMAR PL, CLAYTON, CA 94517-1355

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$579,580 (+2%) Land $362,238 Building $217,342
2025$7,394.00 (+4.57%)$568,217 (+4.04%) Land $355,136 Building $213,081
2023$7,071.00 (+1.38%)$546,154 Land $341,347 Building $204,807
2022$6,975.00

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
Flood Insurance CostPremium on Record
median of 19 policies
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies19 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 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 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 547 locations within half a mile, as of December 31, 2025

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

May also be available: Verizon.

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