309 Atherton Ave, Pittsburg, CA 94565 Property Records

Contra Costa County property record for 309 Atherton Ave, Pittsburg, CA 94565

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,497 sqft · built 1975
Lot Size	0.161 acres (6,996 sqft)
Owner	Individual Name on Record
Last Sale	$225,000 (Dec 2018)
Tax Bill	$5,850 (2025)
Deeds & Mortgages	May 2020 Mortgage Dec 2018 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`087-314-006-5`

Property Details

APN / Parcel Number

Primary APN	`087-314-006-5`
Alternative APN	`087-314-006`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,497 sqft Living Area
1st Floor Area	1,497 sqft

Exterior

Year Built	Built 1975
Effective Year Built	Effective 1976
Lot Area	6,996 sqft (0.161 acres)
Garage Type	Attached
Garage Area	423 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	309 ATHERTON AVE
City	PITTSBURG
State	CA
Zip	94565-4823
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1A
Legal Description	T04428 L0223 B
Legal Subdivision	SUBDIVISION 4428
Legal Tract	04428
Legal Lot Number	223
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	3
Census Block	3003
Census Tract	313206

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 Record	Individual Name on Record
Mailing Address	309 ATHERTON AVE, PITTSBURG, CA 94565-4823
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
May 15, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS
Dec 20, 2018	Grant Deed, Transfer · Conventional Mortgage PRIME LNDG

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 20, 2018 · Amount on Record
Deed Sale	Dec 20, 2018 · Amount on Record
Prior Sale	Apr 19, 2010 · Amount on Record
Deed Document Number	2018203488
Prior Transfer Date	Dec 17, 2018
Prior Transfer Doc	0000203488
Record Updated	Oct 29, 2026

May 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	309 ATHERTON AVE, PITTSBURG, CA 94565-4823
Document Number	0000126619
Instrument Date	May 15, 2020
Transaction Type	Mortgage
Record Updated	Jul 10, 2020
Title Company	AMROCK TITLE CA INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	309 ATHERTON AVE PITTSBURG CA 945654823, PITTSBURG, CA 94565-4823

Mortgage

Document Number	0000126619
Date	Jun 29, 2020
Instrument	126619

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jun 28, 2050

December 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 20, 2018
Property Address	309 ATHERTON AVE, PITTSBURG, CA 94565-4823
Document Number	0000203488
Instrument Date	Dec 17, 2018
Instrument	203488
Transaction Type	Transfer
Record Updated	Jan 3, 2019
Title Company	NATIONWIDE TITLE CLEARING INC

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$247.50
Amount Accuracy	Full Value

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	309 ATHERTON AVE PITTSBURG CA 945654823, PITTSBURG, CA 94565-4823

Mortgage

Document Number	203489
Date	Dec 20, 2018
Instrument	203489

Lender

Name	PRIME LNDG
Address	DALLAS, TX 75252

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Dec 19, 2048

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Pittsburg City
Unified School District	Pittsburg Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$466,505 (+2%) Land $227,563 Building $238,942
2025	$5,850.00 (+4.91%) Homeowner's exemption	$457,358 (+4.04%) Land $223,101 Building $234,257
2023	$5,576.00 (-1.48%) Homeowner's exemption	$439,600 Land $214,439 Building $225,161
2022	$5,660.00

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 Zone	Zone X minimal risk
Flood Insurance Requirement	Not 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 Risk	Moderate above 44% of the US · lower than 74% of California
Wildfire Likelihood	0.08% annual chance
Exposure	Indirect 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 System	CITY OF PITTSBURG serves 62,500 people · EPA ID CA0710008
Water Source	Purchased surface water from CONTRA COSTA WATER DISTRICT
Last State Inspection	Apr 2023
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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

Provider	Max 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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