121 Atherton Ave, Pittsburg, CA 94565 Property Records

Contra Costa County property record for 121 Atherton Ave, Pittsburg, CA 94565

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 1,523 sqft · built 1952
Lot Size	0.172 acres (7,475 sqft)
Owner	2 Individual Names on Record
Last Sale	$375,000 (Sep 2017)
Tax Bill	$5,500 (2025)
Deeds & Mortgages	Mar 2021 Mortgage Sep 2017 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`087-072-012-5`

Property Details

APN / Parcel Number

Primary APN	`087-072-012-5`
Alternative APN	`087-072-012`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,523 sqft Living Area
1st Floor Area	1,523 sqft

Exterior

Year Built	Built 1952
Effective Year Built	Effective 1965
Lot Area	7,475 sqft (0.172 acres)
Garage Type	Attached
Garage Area	210 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	121 ATHERTON AVE
City	PITTSBURG
State	CA
Zip	94565-4820
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	GARDEN HEIGHTS ADDN LOT 158
Legal Subdivision	GARDEN HEIGHTS ADD
Legal Lot Number	158
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	3
Census Block	3009
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	2 Individual Names on Record
Mailing Address	121 ATHERTON AVE, PITTSBURG, CA 94565-4820
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Mar 8, 2021	Deed of Trust, Mortgage · Conventional Mortgage UNIFY FINANCIAL FCU
Sep 20, 2017	Quit Claim Deed, Transfer FIDELITY NATIONAL TITLE
Sep 20, 2017	Grant Deed, Transfer · Conventional Mortgage ALTERRA HM LNS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 20, 2017 · Amount on Record
Deed Sale	Sep 20, 2017 · Amount on Record
Prior Sale	Dec 26, 2014 · Amount on Record
Deed Document Number	2017171897
Prior Transfer Date	Sep 14, 2017
Prior Transfer Doc	0000171898
Record Updated	Oct 29, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	121 ATHERTON AVE, PITTSBURG, CA 94565-4820
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	STEWART TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	121 ATHERTON AVE, PITTSBURG, CA 94565-4820

Mortgage

Document Number	0000068772
Date	Mar 8, 2021
Instrument	2021-068772

Lender

Name	UNIFY FINANCIAL FCU
Type	Credit Union
Address	TORRANCE, CA 90501

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2051

September 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 20, 2017
Property Address	121 ATHERTON AVE, PITTSBURG, CA 94565-4820
Document Number	0000171898
Instrument Date	Sep 14, 2017
Instrument	171898
Transaction Type	Transfer
Record Updated	Sep 25, 2017
Title Company	FIDELITY NATIONAL TITLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	121 ATHERTON AVE PITTSBURG CA 945654820, PITTSBURG, CA 94565-4820

September 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 20, 2017
Property Address	121 ATHERTON AVE, PITTSBURG, CA 94565-4820
Document Number	0000171897
Instrument Date	Sep 14, 2017
Instrument	171897
Transaction Type	Transfer
Record Updated	Sep 25, 2017
Title Company	FIDELITY NATIONAL TITLE, FIDELITY TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$412.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	121 ATHERTON AVE PITTSBURG CA 945654820, PITTSBURG, CA 94565-4820

Mortgage

Document Number	171899
Date	Sep 20, 2017
Instrument	171899

Lender

Name	ALTERRA HM LNS
Address	LAS VEGAS, NV 89145

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Sep 19, 2047

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		$435,213 (+2%) Land $302,561 Building $132,652
2025	$5,500.00 (+4.78%) Homeowner's exemption	$426,680 (+4.04%) Land $296,629 Building $130,051
2023	$5,249.00 (-1.46%) Homeowner's exemption	$410,112 Land $285,111 Building $125,001
2022	$5,327.00

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	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None 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 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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