3920 Joan Ave, Concord, CA 94521 Property Records

Contra Costa County property record for 3920 Joan Ave, Concord, CA 94521

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 883 sqft · built 1953
Lot Size0.27 acres (11,761 sqft)
Owner2 Individual Names on File
Last Sale$715,000 (Jun 2025)
Tax Bill$4,070 (2025)
Deeds & MortgagesAug 2017 Line of Credit
Jul 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN132-080-004-6

Property Details

APN / Parcel Number

Primary APN132-080-004-6
Alternative APN
  • 132-080-004

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area883 sqft Living Area
1st Floor Area883 sqft

Exterior

Year BuiltBuilt 1953
Effective Year BuiltEffective 1953
Lot Area11,761 sqft (0.27 acres)
Garage TypeAttached
Garage Area240 sqft
Parking Spaces1 Parking Space

Location & Zoning

Street Address3920 JOAN AVE
CityCONCORD
StateCA
Zip94521-2545
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR8
Legal DescriptionMAP OF GREENFIELD TR POR LOT 26
Legal SubdivisionGREENFIELD
Legal Lot Number26
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2007
Census Tract334001

Owner

3920 Joan Ave is owned and occupied by two individuals who bought it in June 2025.

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

Owner of Record2 Individual Names on File
Mailing Address3920 JOAN AVE, CONCORD, CA 94521-2545
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

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
Aug 28, 2017Deed of Trust, Mortgage · Line of Credit
US BANK NA
Jul 29, 2020Intrafamily Transfer, Transfer · Conventional Mortgage
CARDINAL FINANCIAL COMPANY LP

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJun 2, 2025 · Amount on File
Deed SaleJun 2, 2025 · Amount on File
Prior SaleJan 18, 2013 · Amount on File
Deed Document Number202554861
Prior Transfer DateJul 16, 2020
Prior Transfer Doc0000156125
Record UpdatedOct 29, 2026

August 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address3920 JOAN AVE, CONCORD, CA 94521-2545
Transaction TypeMortgage
Record UpdatedNov 3, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000155818
DateAug 28, 2017
Instrument2017-155818
Lender
NameUS BANK NA
TypeBank
AddressCINCINNATI, OH 45202
Agreement
TypeLine of Credit
AmountAmount on Record
Term359 Months
DueJul 27, 2047
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

July 2020: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateJul 29, 2020
Property Address3920 JOAN AVE, CONCORD, CA 94521-2545
Document Number0000156125
Map ReferenceMB 12 PG 276
Instrument DateJul 16, 2020
Instrument2020-156125
Transaction TypeTransfer
Record UpdatedNov 3, 2022
Title CompanySTEWART TITLE OF CA INC

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property with Right of Survivorship
Address3920 JOAN AVE, CONCORD, CA 94521-2545

Mortgage

Document Number0000156126
DateJul 29, 2020
Instrument2020-156126
Lender
NameCARDINAL FINANCIAL COMPANY LP
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term241 Months
DueAug 1, 2040

Tax Assessment & Valuation

The 2025 property tax bill for 3920 Joan Ave was $4,070.

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$729,300 (+163.23%) Land $561,000 Building $168,300
2025$4,070.00$277,057 Land $184,707 Building $92,350
2023$3,864.00 (+1.79%)$266,301 Land $177,536 Building $88,765
2022$3,796.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 3920 Joan Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard AreaZone AE, within 500 ft
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

The area around 3920 Joan Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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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