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221 Boulder Dr, Antioch, CA 94509 Property Records

Contra Costa County property record for 221 Boulder Dr, Antioch, CA 94509

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 2,159 sqft · built 1967
Lot Size0.231 acres (10,080 sqft)
Owner2 Individual Names on File
Last Sale$630,000 (Mar 2022)
Tax Bill$8,050 (2025)
Deeds & MortgagesNov 2019 Mortgage
Mar 2022 Sale & Mortgage
+ 1 more
Flood ZoneZone X (minimal risk)
APN072-041-013-3

Property Details

APN / Parcel Number

Primary APN072-041-013-3
Alternative APN
  • 072-041-013

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms8 Rooms
Stories1 Story
Building Area2,159 sqft Living Area
1st Floor Area2,159 sqft

Exterior

Year BuiltBuilt 1967
Effective Year BuiltEffective 1968
Lot Area10,080 sqft (0.231 acres)
Garage TypeAttached
Garage Area460 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address221 BOULDER DR
CityANTIOCH
StateCA
Zip94509-6205
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
Legal DescriptionTRACT 3596 LOT 46 EX MR
Legal SubdivisionSUBDIVISION 3596
Legal Tract3596
Legal Lot Number46
JurisdictionCONTRA COSTA CA
Township / Civil DivisionANTIOCH-PITTSBURG
Census Block Group1
Census Block1002
Census Tract355109

Owner

Source: Contra Costa County records · APN 072-041-013-3

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 Address221 BOULDER DR, ANTIOCH, CA 94509-6205
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Nov 27, 2019Deed of Trust, Mortgage · FHA Mortgage
GUILD MORTGAGE CO
Mar 10, 2022Grant Deed, Transfer · Conventional Mortgage
NATIONAL HOMEBUYERS FUND INC
Sep 21, 2018Grant Deed, Transfer · Conventional Mortgage
GUILD MORTGAGE CO

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleMar 10, 2022 · Amount on Record
Deed SaleMar 10, 2022 · Amount on Record
Prior SaleSep 21, 2018 · Amount on Record
Deed Document Number202243618
Prior Transfer DateJul 17, 2001
Prior Transfer Doc0000340099
Record UpdatedSep 20, 2026

November 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address221 BOULDER DR, ANTIOCH, CA 94509-6205
Transaction TypeMortgage
Record UpdatedNov 03, 2022
Title CompanyOLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000213669
DateNov 27, 2019
Instrument2019-213669
Lender
NameGUILD MORTGAGE CO
TypeMortgage Company
AddressSAN DIEGO, CA 92111
Agreement
TypeFHA Mortgage
AmountAmount Recorded
Term361 Months
DueDec 01, 2049

March 2022: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateMar 10, 2022
Property Address221 BOULDER DR, ANTIOCH, CA 94509-6205
Document Number0000043618
Map ReferenceMB 112 PG 27
Instrument DateMar 07, 2022
Instrument2022-043618
Transaction TypeTransfer
Record UpdatedNov 03, 2022
Title CompanyOLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address221 BOULDER DR, ANTIOCH, CA 94509-6205

Mortgage

Document Number0000043619
DateMar 10, 2022
Instrument2022-043619
Lender
NameNATIONAL HOMEBUYERS FUND INC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueApr 01, 2052

September 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateSep 21, 2018
Property Address221 BOULDER DR, ANTIOCH, CA 94509-6205
Document Number0000151283
Map ReferenceMB 112 PG 27
Instrument DateSep 12, 2018
Instrument2018-151283
Transaction TypeTransfer
Record UpdatedNov 03, 2022
Title CompanyFIRST AMERICAN TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property with Right of Survivorship
Address221 BOULDER DR, ANTIOCH, CA 94509-6205

Mortgage

Document Number0000151284
DateSep 21, 2018
Instrument2018-151284
Lender
NameGUILD MORTGAGE CO
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueOct 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
MunicipalityAntioch City
Unified School DistrictAntioch 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$681,930 (+2%) Land $303,080 Building $378,850
2025$8,050.00 (+4.89%)$668,560 (+4.04%) Land $297,138 Building $371,422
2023$7,675.00 (+31.53%)$642,600 Land $285,600 Building $357,000
2022$5,835.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

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

Wildfire

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond ember reach

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

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

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

May also be available: Verizon.

Based on FCC filings for 645 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water SystemCITY OF ANTIOCH
serves 116,781 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.

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