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857 Sullivan Ave, Concord, CA 94518 Property Records

Contra Costa County property record for 857 Sullivan Ave, Concord, CA 94518 · Last verified August 2026

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 2,088 sqft · built 1967
Lot Size0.179 acres (7,800 sqft)
Owner2 Company Names on File
Last Sale$425,000 (Aug 2001)
Tax Bill$7,864 (2025)
Deeds & MortgagesApr 2021 Mortgage
Jul 2022 Transfer
Flood ZoneZone X (minimal risk)
APN129-375-018-6

Property Details

APN / Parcel Number

Primary APN129-375-018-6
Alternative APN
  • 129-375-018

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms10 Rooms
Stories2 Stories
Building Area2,088 sqft Living Area
Gross Area2,515 sqft
1st Floor Area1,100 sqft
2nd Floor Area988 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1967
Effective Year BuiltEffective 1968
Architectural StyleRanch
Exterior MaterialStucco
Construction TypeFrame
Roof MaterialWood Shingle
Lot Area7,800 sqft (0.179 acres)
Garage TypeAttached
Garage Area427 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemForced Air with A/C
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address857 SULLIVAN AVE
CityCONCORD
StateCA
Zip94518-2124
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTRACT 3538 LOT 333 EX MR
Legal SubdivisionSUBDIVISION 3538
Legal Tract3538
Legal Lot Number333
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2003
Census Tract337202

Owner

Source: Contra Costa County records · APN 129-375-018-6

Assessment roll updated July 14, 2026 · Last verified August 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 File
Mailing Address857 SULLIVAN AVE, CONCORD, CA 94518-2124
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Apr 19, 2021Deed of Trust, Mortgage · Conventional Mortgage
PENNYMAC LOAN SERVICES LLC
Jul 25, 2022Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleAug 08, 2001 · Amount on Record
Deed SaleAug 08, 2001 · Amount on Record
Deed Document Number2001232623
Last Transfer DateJul 22, 2022
Transfer Doc0000117617
Record UpdatedSep 20, 2026

April 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address857 SULLIVAN AVE, CONCORD, CA 94518-2124
Transaction TypeMortgage
Record UpdatedNov 03, 2022
Title CompanyBOSTON NATIONAL TITLE L

Transferred To (Grantee/Buyer)

NameVerified Name
Address857 SULLIVAN AVE, CONCORD, CA 94518-2124

Mortgage

Document Number0000117067
DateApr 19, 2021
Instrument2021-117067
Lender
NamePENNYMAC LOAN SERVICES LLC
TypeMortgage Company
AddressWESTLAKE VILLAGE, CA 91361
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term181 Months
DueMay 01, 2036

July 2022: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateJul 25, 2022
Property Address857 SULLIVAN AVE, CONCORD, CA 94518-2124
Document Number0000117617
Map ReferenceMB 114 PG 42
Instrument DateJul 22, 2022
Instrument2022-117617
Transaction TypeTransfer
Record UpdatedJun 07, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name
Address857 SULLIVAN AVE, 857, CONCORD, CA 94518-2124

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address857 SULLIVAN AVE, CONCORD, CA 94518-2124

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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

YearTax BillAssessed Value
2026$640,384 (+2%) Land $241,082 Building $399,302
2025$7,864.00 (+4.63%) Homeowner's exemption$627,828 (+4.04%) Land $236,355 Building $391,473
2023$7,516.00 (+1.39%) Homeowner's exemption$603,451 Land $227,178 Building $376,273
2022$7,413.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133372022, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies1 in force

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 645 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
XfinityCable2,000 / 250
Radiate HoldingsCable1,500 / 50
UnwiredFixed Wireless300 / 25
AT&TDSL100 / 20

May also be available at this address: T-Mobile USA, Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.

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