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4548 Adams Dr, Concord, CA 94521 Property Records

Contra Costa County property record for 4548 Adams Dr, Concord, CA 94521

Property Summary

Property TypeSingle Family Home
Details3 bd · 2.5 ba · 1,749 sqft · built 1963
Lot Size0.202 acres (8,800 sqft)
Owner2 Company Names on Record
Tax Bill$4,661 (2025)
Flood ZoneZone X (minimal risk)
APN115-331-004-8

Property Details

APN / Parcel Number

Primary APN115-331-004-8
Alternative APN
  • 115-331-004

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms8 Rooms
Stories2 Stories
Building Area1,749 sqft Living Area
1st Floor Area1,021 sqft
2nd Floor Area728 sqft

Exterior

Year BuiltBuilt 1963
Effective Year BuiltEffective 1963
Lot Area8,800 sqft (0.202 acres)
Garage TypeAttached
Garage Area437 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address4548 ADAMS DR
CityCONCORD
StateCA
Zip94521-1311
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR8
Legal DescriptionTRACT 2992 LOT 4 LESS POR MR
Legal SubdivisionBISHOP ESTATES
Legal Tract2992
Legal Lot Number4
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1004
Census Tract333200

Owner

Source: Contra Costa County records, as of July 14, 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 Address4548 ADAMS DR, CONCORD, CA 94521-1311
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last Transfer DateMar 3, 2004
Transfer Doc0000110907
Record UpdatedSep 20, 2026

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$344,506 (+2%) Land $148,306 Building $196,200
2025$4,661.00 (+5.21%) Homeowner's exemption$337,752 (+4.04%) Land $145,399 Building $192,353
2023$4,430.00 (+1.72%) Homeowner's exemption$324,639 Land $139,754 Building $184,885
2022$4,355.00

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

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

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 306 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
AT&T
DSL		100 / 20

May also be available: T-Mobile.

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