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18 Atherton Cir, Pittsburg, CA 94565 Property Records

Contra Costa County property record for 18 Atherton Cir, Pittsburg, CA 94565

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 1,497 sqft · built 1976
Lot Size0.162 acres (7,072 sqft)
Owner2 Trust Names on File
Last Sale$347,500 (Feb 2017)
Tax Bill$5,310 (2025)
Deeds & MortgagesFeb 2017 Sale
Feb 2017 Transfer
+ 1 more
Flood ZoneZone X (minimal risk)
APN087-334-014-5

Property Details

APN / Parcel Number

Primary APN087-334-014-5
Alternative APN
  • 087-334-014

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Stories1 Story
Building Area1,497 sqft Living Area
1st Floor Area1,497 sqft

Exterior

Year BuiltBuilt 1976
Effective Year BuiltEffective 1977
Exterior MaterialBlock
Construction TypeFrame
Lot Area7,072 sqft (0.162 acres)
Garage TypeAttached
Garage Area422 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemForced Air with A/C
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address18 ATHERTON CIR
CityPITTSBURG
StateCA
Zip94565-4708
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1A
Legal DescriptionT04323 L0391 B
Legal SubdivisionSUBDIVISION 4323
Legal Tract04323
Legal Lot Number391
JurisdictionCONTRA COSTA CA
Township / Civil DivisionANTIOCH-PITTSBURG
Census Block Group1
Census Block1011
Census Tract313206

Owner

18 Atherton Cir is owner-occupied and held in a trust since March 2025.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record2 Trust Names on File
Mailing Address18 ATHERTON CIR, PITTSBURG, CA 94565-4708
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

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

DateDocument
Feb 7, 2017Grant Deed, Transfer
OLD REPUBLIC TITLE
Feb 7, 2017Quit Claim Deed, Transfer
OLD REPUBLIC TITLE
Feb 7, 2017Quit Claim Deed, Transfer
OLD REPUBLIC TITLE

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 7, 2017 · Amount on File
Deed SaleFeb 7, 2017 · Amount on File
Deed Document Number201724265
Last Transfer DateMar 6, 2025
Transfer Doc0000022067
Record UpdatedOct 29, 2026

February 2017: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateFeb 7, 2017
Property Address18 ATHERTON CIR, PITTSBURG, CA 94565-4708
Document Number0000024265
Instrument DateJan 27, 2017
Instrument24265
Transaction TypeTransfer
Record UpdatedFeb 20, 2017
Title CompanyOLD REPUBLIC TITLE

Transaction

AmountAmount on Record
Tax$382.25
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants in Common
Address43 DANVILLE OAK PL DANVILLE CA 945262453, DANVILLE, CA 94526-2453

February 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateFeb 7, 2017
Property Address18 ATHERTON CIR, PITTSBURG, CA 94565-4708
Document Number0000024266
Instrument DateJan 26, 2017
Instrument24266
Transaction TypeTransfer
Record UpdatedFeb 20, 2017
Title CompanyOLD REPUBLIC TITLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address45 RAINBOW CIR DANVILLE CA 945064431, DANVILLE, CA 94506-4431

February 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateFeb 7, 2017
Property Address18 ATHERTON CIR, PITTSBURG, CA 94565-4708
Document Number0000024267
Instrument DateJan 26, 2017
Instrument24267
Transaction TypeTransfer
Record UpdatedFeb 20, 2017
Title CompanyOLD REPUBLIC TITLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address43 DANVILLE OAK PL DANVILLE CA 945262453, DANVILLE, CA 94526-2453

Tax Assessment & Valuation

The 2025 property tax bill for 18 Atherton Cir was $5,310.

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityPittsburg City
Unified School DistrictPittsburg Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$411,362 (+2%) Land $174,606 Building $236,756
2025$5,310.00$403,297 Land $171,183 Building $232,114
2023$5,074.00 (-1.48%)$387,638 Land $164,537 Building $223,101
2022$5,150.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 18 Atherton Cir 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 18 Atherton Cir is low, with a 0.05% annual chance of wildfire.

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

Wildfire RiskLow
lower than 65% of the US · lower than 79% of California
Wildfire Likelihood0.05% annual chance
ExposureIndirect
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 PITTSBURG
serves 62,500 people · EPA ID CA0710008
Water SourcePurchased surface water from CONTRA COSTA WATER DISTRICT
Last State InspectionApr 2023
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 743 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Verizon
Fixed Wireless		300 / 20
AT&T
DSL · Fiber, Fixed Wireless in parts of the area		100 / 20

May also be available: T-Mobile, Unwired.

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