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310 Park St, Concord, CA 94520 Property Records

Contra Costa County property record for 310 Park St, Concord, CA 94520

Property Summary

Property TypeDuplex
Details4 bd · 3 ba · 1,852 sqft · built 1987
Lot Size0.23 acres (10,018 sqft)
OwnerIndividual Name on Record
Tax Bill$5,482 (2025)
Deeds & MortgagesSep 2022 Sale
Flood ZoneZone X (minimal risk)
APN100-401-012-8

Property Details

APN / Parcel Number

Primary APN100-401-012-8
Alternative APN
  • 100-401-012

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,852 sqft Living Area
1st Floor Area1,398 sqft
Basement Area454 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1987
Effective Year BuiltEffective 1993
Architectural StyleContemporary
Exterior MaterialStucco
Roof MaterialComposition Shingle
Lot Area10,018 sqft (0.23 acres)
Garage TypeAttached
Garage Area650 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemForced Air with A/C
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address310 PARK ST
CityCONCORD
StateCA
Zip94520-1119
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeR10
Legal DescriptionPCL MAP 128 PG 4 PCL B
Legal SubdivisionM S 15-86
Legal Tract128PM4
Legal Lot NumberB
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1046
Census Tract315000

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 RecordIndividual Name on Record
Mailing Address310 PARK ST, CONCORD, CA 94520-1119
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleSep 15, 2022
Deed SaleSep 15, 2022
Prior SaleOct 21, 2005
Deed Document Number2022139903
Prior Transfer DateJan 20, 2005
Prior Transfer Doc0000111513
Record UpdatedOct 29, 2026

September 2022: Deed, Transfer

Document TypeDeed
JurisdictionCONTRA COSTA CA
Recording DateSep 15, 2022
Property Address310 PARK ST, CONCORD, CA 94520-1119
Document Number0000139903
Map ReferenceMB 128 PG 4&5
Instrument DateAug 26, 2022
Instrument2022-139903
Transaction TypeTransfer
Record UpdatedNov 3, 2022

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address310 PARK ST, CONCORD, CA 94520-1119

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$339,621 (+2%) Land $114,828 Building $224,793
2025$5,482.00 (+2.56%)$332,963 (+4.04%) Land $112,577 Building $220,386
2023$5,345.00 (-6.13%)$320,035 Land $108,206 Building $211,829
2022$5,694.00

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 10 policies
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies10 in force
Nearby Flood Claims1 (1993)
Claims Outside the SFHA1 of 1
Most Recent ClaimJan 1993 · Severe Winter Storm, Mud & Land Slides, & Flooding

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 RiskModerate
above 53% of the US · lower than 68% of California
Wildfire Likelihood0.1% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 191 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Astound Broadband
Cable		1,500 / 50
Xfinity
Cable		1,200 / 35
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20
AT&T
DSL		100 / 20

May also be available: T-Mobile.

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