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216 Boulder Dr, Antioch, CA 94509 Property Records

Contra Costa County property record for 216 Boulder Dr, Antioch, CA 94509

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,215 sqft · built 1971
Lot Size0.163 acres (7,104 sqft)
Owner2 Individual Names on File
Last Sale$550,000 (Aug 2026)
Tax Bill$3,083 (2025)
Deeds & MortgagesAug 2026 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN072-042-037-1

Property Details

APN / Parcel Number

Primary APN072-042-037-1
Alternative APN
  • 072-042-037

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,215 sqft Living Area
Gross Area1,681 sqft
1st Floor Area1,215 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1971
Effective Year BuiltEffective 1971
Architectural StyleRanch
Exterior MaterialStucco
Construction TypeFrame
Roof MaterialWood Shingle
Lot Area7,104 sqft (0.163 acres)
Garage TypeAttached
Garage Area466 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address216 BOULDER DR
CityANTIOCH
StateCA
Zip94509-6206
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
Legal DescriptionTRACT 3596 POR LOT 59 EX MR
Legal SubdivisionRIDGEROCK PARK
Legal Tract3596
Legal Lot Number59
JurisdictionCONTRA COSTA CA
Township / Civil DivisionANTIOCH-PITTSBURG
Census Block Group1
Census Block1004
Census Tract355109

Owner

216 Boulder Dr is owned and occupied by two individuals who bought it in August 2026.

Source: Contra Costa County records, as of August 28, 2026

Owner of Record2 Individual Names on File
Mailing Address216 BOULDER DR, ANTIOCH, CA 94509-6206
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 21, 2026 · Amount on File
Deed SaleAug 21, 2026 · Amount on File
Deed Document Number202688571
Prior Transfer DateJan 19, 2006
Prior Transfer Doc0000111520
Record UpdatedOct 29, 2026

August 2026: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateAug 21, 2026
Property Address216 BOULDER DR, ANTIOCH, CA 94509-6206
Document Number0000088571
Instrument DateAug 7, 2026
Instrument202688571
Transaction TypeTransfer
Record UpdatedAug 28, 2026
Title CompanyOLD REPUBLIC TITLE

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$61,105.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address216 BOULDER DR, ANTIOCH, CA 94509-6206

Mortgage

Document Number0000088572,
DateAug 21, 2026
Instrument202688572
Lender
NameUNITED WHOLESALE MORTGAGE
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueSep 1, 2056
Interest
Rate TypeFixed Rate
Initial TypeFixed Rate
Max Rate-1%

Tax Assessment & Valuation

The 2025 property tax bill for 216 Boulder Dr was $3,083 with a homeowner's exemption.

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$235,943 (+2%) Land $66,693 Building $169,250
2025$3,083.00 Homeowner's exemption$231,318 Land $65,386 Building $165,932
2023$2,911.00 (+1.5%) Homeowner's exemption$222,338 Land $62,848 Building $159,490
2022$2,868.00

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.

Flood

FEMA maps place 216 Boulder Dr in Zone X, an area of minimal flood risk.

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

Wildfire risk around 216 Boulder Dr is low, with a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond 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 645 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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