4300 Harmon Rd, El Sobrante, CA 94803 Property Records

Contra Costa County property record for 4300 Harmon Rd, El Sobrante, CA 94803 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms2 Baths
Year BuiltBuilt 1960
Square Footage1,837 sqft Living Area
Lot Size5,000 sqft (0.115 acres)
OccupancyOwner Occupied
Last Sale$475,000 (2018)
Tax Bill$7,960.00 (2025)

Property Details

APN / Parcel Number

Primary APN435-025-002-5
Alternative APN
  • 435-025-002

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Building Area1,837 sqft Living Area
1st Floor1,837 sqft 1st Floor
Stories1 Stories

Exterior

Year BuiltBuilt 1953
Effective Year BuiltEffective 1960
Lot Area5,000 sqft (0.115 acres)
Parking Spaces1 Parking Spaces
Garage Area450 sqft Garage

Utilities and HVAC

Heating SystemCentral Heating

Location & Zoning

Street Address4300 HARMON RD
CityEL SOBRANTE
StateCA
Zip94803-3012
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionJANA BONDS #1 51
Legal SubdivisionJANA BONDS 01
Legal Lot Number51
JurisdictionCONTRA COSTA CA
Minor Civil DivisionWEST CONTRA COSTA
Census Blockgroup1
Census Block1004
Census Tract361000

Owner

Source: Contra Costa County records · APN 435-025-002-5

Assessment roll updated July 14, 2026 · Last verified July 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 File
Mailing Address4300 HARMON RD, EL SOBRANTE, CA 94803-3012
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Jul 31, 2018Quit Claim Deed, Transfer
OLD REPUBLIC TITLE
Jul 31, 2018Grant Deed, Transfer · Conventional Mortgage
STEARNS LENDING LLC

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleJul 31, 2018 · Amount on Record
Deed SaleJul 31, 2018 · Amount on Record
Prior SaleNov 30, 2016 · Amount on Record
Deed Doc Number2018121513
Prior Transfer DateJul 27, 2018
Prior Transfer Doc0000121512
Record RefreshedSep 20, 2026

July 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateJul 31, 2018
Property Address4300 HARMON RD, EL SOBRANTE, CA 94803-3012
Document Number0000121512
Instrument DateJul 27, 2018
Instrument121512
Transaction TypeTransfer
Record UpdatedAug 06, 2018
Title CompanyOLD REPUBLIC TITLE

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address4300 HARMON RD EL SOBRANTE CA 948033012, EL SOBRANTE, CA 94803-3012

July 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateJul 31, 2018
Property Address4300 HARMON RD, EL SOBRANTE, CA 94803-3012
Document Number0000121513
Map ReferenceMB 44 PG 45
Instrument DateJul 19, 2018
Instrument2018-121513
Transaction TypeTransfer
Record UpdatedNov 03, 2022
Title CompanyOLD REPUBLIC TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded Values by County
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address4300 HARMON RD, EL SOBRANTE, CA 94803-3012

Mortgage

Document Number0000121514
DateJul 31, 2018
Instrument2018-121514
Lender
NameSTEARNS LENDING LLC
TypeFunding / Finance Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueAug 01, 2048

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
Unified School DistrictWest Contra Costa 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$540,462 (+2%) Land $420,993 Building $119,469
2025$7,960.00 (+4.6%) Homeowner's exemption$529,866 (+4.04%) Land $412,739 Building $117,127
2023$7,610.00 (+1.41%) Homeowner's exemption$509,293 Land $396,713 Building $112,580
2022$7,504.00

Flood & Wildfire

4300 Harmon Rd is in FEMA Zone X, outside the Special Flood Hazard Area, with indirect wildfire exposure (Moderate risk).

Flood

Source: FEMA National Flood Hazard Layer · Contra Costa County (06013C), updated October 12, 2026

FEMA Flood ZoneZone X
minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard AreaNo

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to HomesModerate
45th percentile of exposed land nationally · 26th in California
Wildfire LikelihoodModerate — about 1 in 1,266 per year
ExposureIndirect
within ember reach of burnable land · adjoins burnable vegetation

Values are read at the parcel center point; lenders make the official flood determination.

Nearby Properties on Harmon Rd

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