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4401 Null Dr, Antioch, CA 94509 Property Records

Contra Costa County property record for 4401 Null Dr, Antioch, CA 94509 · Last verified August 2026

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,290 sqft · built 1965
Lot Size0.138 acres (6,000 sqft)
OwnerIndividual Name on File
Last Sale$526,000 (Mar 2025)
Tax Bill$6,457 (2025)
Deeds & MortgagesNov 2022 Transfer
Mar 2022 Transfer
+ 2 more
Flood ZoneZone X (minimal risk)
APN074-241-035

Property Details

APN / Parcel Number

Primary APN074-241-035
Alternative APN
  • 074-241-035-0

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,290 sqft Living Area
1st Floor Area1,290 sqft

Exterior

Year BuiltBuilt 1965
Effective Year BuiltEffective 1966
Lot Area6,000 sqft (0.138 acres)
View / LotCanal
Garage TypeAttached
Garage Area458 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address4401 DR
CityANTIOCH
StateCA
Zip94509
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTRACT 3165 LOT 35 EX MR
Legal SubdivisionNEW DELTA ESTATES MAP/SUB 3165
Legal Tract3165
Legal Lot Number35
JurisdictionCONTRA COSTA CA
Township / Civil DivisionANTIOCH-PITTSBURG
Census Block Group1
Census Block1010
Census Tract307201

Owner

Source: Contra Costa County records · APN 074-241-035

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 RecordIndividual Name on File
Mailing Address4401 NULL DR, ANTIOCH, CA 94509-4343
OccupancyOwner Occupied
Owner TypeIndividual
VestingUnmarried Woman

Deeds, Mortgages & Sale History

DateDocument
Nov 21, 2022Intrafamily Transfer, Transfer
Mar 30, 2022Intrafamily Transfer, Transfer
Nov 24, 2020Affidavit of Death, Transfer
NOT AVAILABLE
Nov 24, 2020Affidavit of Death, Transfer
NOT AVAILABLE

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleMar 14, 2025 · Amount on Record
Deed SaleMar 14, 2025 · Amount on Record
Deed Document Number202523971
Prior Transfer DateOct 10, 2022
Prior Transfer Doc0000175694
Record UpdatedSep 20, 2026

November 2022: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateNov 21, 2022
Property Address4401 NULL DR, ANTIOCH, CA 94509-4343
Document Number0000175694
Map ReferenceMB 103 PG 42
Instrument DateOct 10, 2022
Instrument2022-175694
Transaction TypeTransfer
Record UpdatedJun 07, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address3743 RAILROAD AVE, PITTSBURG, CA 94565-5205

March 2022: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateMar 30, 2022
Property Address4401 NULL DR, ANTIOCH, CA 94509-4343
Document Number0000055198
Map ReferenceMB 103 PG 42
Instrument DateMar 17, 2022
Instrument2022-055198
Transaction TypeTransfer
Record UpdatedNov 03, 2022

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address4401 NULL DR, ANTIOCH, CA 94509-4343

November 2020: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionCONTRA COSTA CA
Recording DateNov 24, 2020
Property Address4401 NULL DR, ANTIOCH, CA 94509-4343
Document Number0000285686
Instrument DateNov 05, 2020
Instrument285686
Transaction TypeTransfer
Record UpdatedDec 11, 2020
Title CompanyNOT AVAILABLE

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address4401 NULL DR ANTIOCH CA 945094343, ANTIOCH, CA 94509-4343

November 2020: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionCONTRA COSTA CA
Recording DateNov 24, 2020
Property Address4401 NULL DR, ANTIOCH, CA 94509-4343
Document Number0000285685
Instrument DateNov 05, 2020
Instrument285685
Transaction TypeTransfer
Record UpdatedDec 11, 2020
Title CompanyNOT AVAILABLE

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address4401 NULL DR ANTIOCH CA 945094343, ANTIOCH, CA 94509-4343

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
MunicipalityAntioch City
Unified School DistrictAntioch Unified School District (KG - 12)

Tax Bill & Assessment History

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.

YearTax BillAssessed Value
2026$536,520 (+2%) Land $306,000 Building $230,520
2025$6,457.00 (+418.22%)$526,000 (+698.03%) Land $270,000 Building $256,000
2023$1,246.00 (+6.4%)$65,912 Land $25,881 Building $40,031
2022$1,171.00

Flood & Wildfire

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

Wildfire

Wildfire RiskModerate
above 45% of the US · above 26% of California
Wildfire LikelihoodAbout 1 in 1,099 per year
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 417 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
XfinityCable2,000 / 250
VerizonFixed Wireless300 / 20
AT&TFixed Wireless100 / 20
StarlinkSatellite (low-earth orbit)280 / 30

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

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