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4380 Dorset Ct, Concord, CA 94521 Property Records

Contra Costa County property record for 4380 Dorset Ct, Concord, CA 94521

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,558 sqft · built 1957
Lot Size0.218 acres (9,500 sqft)
OwnerTrust Name on File
Last Sale$231,000 (Aug 1998)
Tax Bill$5,007 (2025)
Deeds & MortgagesMar 2022 Mortgage
Aug 2021 Transfer
Flood ZoneZone X (minimal risk)
APN133-042-025-6

Property Details

APN / Parcel Number

Primary APN133-042-025-6
Alternative APN
  • 133-042-025

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,558 sqft Living Area
1st Floor Area1,558 sqft

Exterior

Year BuiltBuilt 1957
Effective Year BuiltEffective 1961
Lot Area9,500 sqft (0.218 acres)
Garage TypeAttached
Garage Area441 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address4380 DORSET CT
CityCONCORD
StateCA
Zip94521-4220
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR7
Legal DescriptionTRACT 2426 LOT 122
Legal SubdivisionMARLBORO MANOR UNIT #3
Legal Tract2426
Legal Lot Number122
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1000
Census Tract334006

Owner

4380 Dorset Ct is held in a trust since August 2021.

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

Owner of RecordTrust Name on File
Mailing Address4380 DORSET CT, CONCORD, CA 94521-4220
Owner TypeCompany
VestingTrust

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

DateDocument
Mar 9, 2022Deed of Trust, Mortgage · Conventional Mortgage
PENNYMAC LOAN SERVICES LLC
Aug 18, 2021Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 21, 1998 · Amount on File
Deed SaleAug 21, 1998 · Amount on File
Deed Document Number1998199981
Last Transfer DateAug 5, 2021
Transfer Doc0000230290
Record UpdatedSep 20, 2026

March 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address4380 DORSET CT, CONCORD, CA 94521-4220
Transaction TypeMortgage
Record UpdatedNov 3, 2022

Transferred To (Grantee/Buyer)

NameVerified Name
Address4380 DORSET CT, CONCORD, CA 94521-4220

Mortgage

Document Number0000042349
DateMar 9, 2022
Instrument2022-042349
Lender
NamePENNYMAC LOAN SERVICES LLC
TypeMortgage Company
AddressWESTLAKE VILLAGE, CA 91361
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueApr 1, 2052

August 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateAug 18, 2021
Property Address4380 DORSET CT, CONCORD, CA 94521-4220
Document Number0000230290
Map ReferenceMB 66 PG 47
Instrument DateAug 5, 2021
Instrument2021-230290
Transaction TypeTransfer
Record UpdatedJun 7, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust
Address4380 DORSET CT, CONCORD, CA 94521-4220

Tax Assessment & Valuation

The 2025 property tax bill for 4380 Dorset Ct was $5,007.

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$369,357 (+2%) Land $161,491 Building $207,866
2025$5,007.00$362,116 Land $158,325 Building $203,791
2023$4,767.00 (+1.64%)$348,057 Land $152,178 Building $195,879
2022$4,690.00

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

Flood

FEMA maps place 4380 Dorset 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
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies2 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 4380 Dorset 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 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 586 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
Verizon
Fixed Wireless		300 / 20
AT&T
Fixed Wireless · DSL · Fiber in parts of the area		100 / 20

May also be available: Sonic Telecom, T-Mobile.

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