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306 Hillside Rd, Antioch, CA 94509 Property Records

Contra Costa County property record for 306 Hillside Rd, Antioch, CA 94509

Property Summary

Property TypeSingle Family Home
Details5 bd · 3.5 ba · 2,122 sqft · built 1977
Lot Size0.185 acres (8,040 sqft)
OwnerIndividual Name on Record
Tax Bill$10,828 (2025)
Deeds & MortgagesMar 2026 Transfer
Mar 2026 Transfer
+ 2 more
Flood ZoneZone X (minimal risk)
APN068-211-025-9

Property Details

APN / Parcel Number

Primary APN068-211-025-9
Alternative APN
  • 068-211-025

Interior

Bedrooms5 Beds
Full Baths3.5 Baths
Half Baths1 Half Bath
Total Rooms11 Rooms
Stories2 Stories
Building Area2,122 sqft Living Area
1st Floor Area1,210 sqft
2nd Floor Area912 sqft

Exterior

Year BuiltBuilt 1977
Effective Year BuiltEffective 1990
Lot Area8,040 sqft (0.185 acres)
Garage TypeAttached
Garage Area529 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address306 HILLSIDE RD
CityANTIOCH
StateCA
Zip94509-4934
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
Legal DescriptionPCL MAP 51 PG 12 PCL B
Legal SubdivisionPM 51 12
Legal Tract51PM12
JurisdictionCONTRA COSTA CA
Township / Civil DivisionANTIOCH-PITTSBURG
Census Block Group4
Census Block4000
Census Tract308001

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 Address306 HILLSIDE RD, ANTIOCH, CA 94509-4934
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Mar 5, 2026Intrafamily Transfer, Transfer
Mar 4, 2026Affidavit of Death of Joint Tenant, Transfer
Nov 10, 2025Intrafamily Transfer, Transfer
Mar 12, 2018Intrafamily Transfer, Transfer · VA Mortgage
SUN WEST MORTGAGE COMPANY INC

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMar 12, 2018
Deed SaleMar 12, 2018
Prior SaleApr 26, 2012 · Amount on Record
Deed Document Number201837629
Last Transfer DateFeb 26, 2026
Transfer Doc0000021616
Record UpdatedOct 29, 2026

March 2026: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateMar 5, 2026
Property Address306 HILLSIDE RD, ANTIOCH, CA 94509-4934
Document Number0000022090
Map ReferenceMB 51 PG 12
Instrument DateDec 5, 2025
Instrument2026- 022090
Transaction TypeTransfer
Record UpdatedMar 16, 2026

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address306 HILLSIDE RD, ANTIOCH, CA 94509-4934

March 2026: Affidavit of Death of Joint Tenant, Transfer

Document TypeAffidavit of Death of Joint Tenant
JurisdictionCONTRA COSTA CA
Recording DateMar 4, 2026
Property Address306 HILLSIDE RD, ANTIOCH, CA 94509-4934
Document Number0000021616
Map ReferenceMB 51 PG 12
Instrument DateDec 5, 2025
Instrument2026- 021616
Transaction TypeTransfer
Record UpdatedMar 13, 2026

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address306 HILLSIDE RD, ANTIOCH, CA 94509-4934

November 2025: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateNov 10, 2025
Property Address306 HILLSIDE RD, ANTIOCH, CA 94509-4934
Document Number0000126396
Map ReferenceMB 51 PG 12
Instrument DateNov 3, 2025
Instrument2025- 126396
Transaction TypeTransfer
Record UpdatedNov 26, 2025

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address306 HILLSIDE RD, ANTIOCH, CA 94509-4934

March 2018: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateMar 12, 2018
Property Address306 HILLSIDE RD, ANTIOCH, CA 94509-4934
Document Number0000037629
Map ReferenceMB 51 PG 12
Instrument DateJan 18, 2018
Instrument2018-037629
Transaction TypeTransfer
Record UpdatedNov 3, 2022
Title CompanyWESTMINSTER TITLE COMPANY IN

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
Address306 HILLSIDE RD, ANTIOCH, CA 94509-4934

Mortgage

Document Number0000037630
DateMar 12, 2018
Instrument2018-037630
Lender
NameSUN WEST MORTGAGE COMPANY INC
TypeMortgage Company
Agreement
TypeVA Mortgage
AmountAmount Recorded
Term361 Months
DueApr 1, 2048

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityAntioch City
Unified School DistrictAntioch Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$316,664 (+2%) Land $57,648 Building $259,016
2025$10,828.00 (+1.98%)$310,456 (+4.04%) Land $56,518 Building $253,938
2023$10,618.00 (+0.73%)$298,402 Land $54,324 Building $244,078
2022$10,541.00

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; 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 SystemCITY OF ANTIOCH
serves 116,781 people · EPA ID CA0710001
Water SourceSurface water
Last State InspectionJan 2024
LeadUnder 1 ppb (2022–2024)
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 489 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
AT&T
DSL		100 / 20

May also be available: Verizon.

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