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4080 Joan Ave, Concord, CA 94521 Property Records

Contra Costa County property record for 4080 Joan Ave, Concord, CA 94521

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 1,048 sqft · built 1949
Lot Size0.176 acres (7,650 sqft)
Owner2 Individual Names on Record
Last Sale$440,000 (Jul 2007)
Tax Bill$7,391 (2025)
Deeds & MortgagesDec 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN132-121-001-3

Property Details

APN / Parcel Number

Primary APN132-121-001-3
Alternative APN
  • 132-121-001

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area1,048 sqft Living Area
1st Floor Area1,048 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1949
Effective Year BuiltEffective 1949
Lot Area7,650 sqft (0.176 acres)
Lot Dimensions90 ft deep x 85 ft wide
Garage TypeAttached
Garage Area457 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemFloor/Wall Furnace

Location & Zoning

Street Address4080 JOAN AVE
CityCONCORD
StateCA
Zip94521-2654
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR8
Legal DescriptionROSAL PARK POR LOT 35
Legal SubdivisionROSAL PARK
Legal Lot Number35
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2008
Census Tract334001

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 Individual Names on Record
Mailing Address4080 JOAN AVE, CONCORD, CA 94521-2654
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJul 2, 2007 · Amount on Record
Deed SaleJul 2, 2007 · Amount on Record
Deed Document Number2007190246
Last Transfer DateNov 25, 2020
Transfer Doc0000292214
Record UpdatedSep 20, 2026

December 2020: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateDec 1, 2020
Property Address4080 JOAN AVE, CONCORD, CA 94521-2654
Document Number0000292214
Map ReferenceMB 30 PG 13
Instrument DateNov 18, 2020
Instrument2020-292214
Transaction TypeTransfer
Record UpdatedJul 27, 2021
Title CompanyLAWYERS TITLE

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address25 GREENWOOD CT, PLEASANT HILL, CA 94523-5209

Mortgage

Document Number0000292215
DateDec 1, 2020
Instrument2020-292215
Lender
NameTHE TURNKEY FOUNDATION INC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueDec 1, 2050

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$589,488 (+2%) Land $415,325 Building $174,163
2025$7,391.00 (+4.64%)$577,931 (+4.04%) Land $407,182 Building $170,749
2023$7,063.00 (+1.38%)$555,491 Land $391,372 Building $164,119
2022$6,967.00

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
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies9 in force
Nearby Flood Claims3 (1980–2005)
Most Recent ClaimDec 2005 · Severe Storms, Flooding, Mudslides, And Landslides

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 RiskNot rated
no burnable land within 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 579 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
T-Mobile
Fixed Wireless		100 / 20
AT&T
Fixed Wireless · DSL · Fiber in parts of the area		100 / 20

May also be available: Sonic Telecom.

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