139 Armstrong St, Hercules, CA 94547 Property Records

Contra Costa County property record for 139 Armstrong St, Hercules, CA 94547

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,675 sqft · built 1989
Lot Size	0.161 acres (7,000 sqft)
Owner	2 Individual Names on Record
Last Sale	$780,000 (Mar 2019)
Tax Bill	$13,040 (2025)
Deeds & Mortgages	Sep 2021 Mortgage Mar 2019 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`362-361-015-5`

Property Details

APN / Parcel Number

Primary APN	`362-361-015-5`
Alternative APN	`362-361-015`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	2,675 sqft Living Area
1st Floor Area	1,435 sqft
2nd Floor Area	1,240 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1989
Effective Year Built	Effective 1989
Architectural Style	Traditional
Exterior Material	Wood Siding
Roof Material	Tile
Lot Area	7,000 sqft (0.161 acres)
Garage Type	Attached
Garage Area	630 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	139 ARMSTRONG ST
City	HERCULES
State	CA
Zip	94547-2025
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T6722 L15
Legal Subdivision	SUBDIVISION 6722
Legal Tract	6722
Legal Lot Number	15
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	BRIONES
Census Block Group	2
Census Block	2000
Census Tract	356002

Owner

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

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

Owner of Record	2 Individual Names on Record
Mailing Address	139 ARMSTRONG ST, HERCULES, CA 94547-2025
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Sep 7, 2021	Deed of Trust, Mortgage · Conventional Mortgage SUMMIT FUNDING INC
Mar 29, 2019	Grant Deed, Transfer · Conventional Mortgage SUMMIT FUNDING INC
Mar 29, 2019	Affidavit of Death, Transfer OLD REPUBLIC TITLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 29, 2019 · Amount on Record
Deed Sale	Mar 29, 2019 · Amount on Record
Prior Sale	Feb 14, 1997 · Amount on Record
Deed Document Number	201943105
Prior Transfer Date	Oct 10, 2016
Prior Transfer Doc	0000009403
Record Updated	Oct 29, 2026

September 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	139 ARMSTRONG ST, HERCULES, CA 94547-2025
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	NORTH AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	139 ARMSTRONG ST, HERCULES, CA 94547-2025

Mortgage

Document Number	0000249524
Date	Sep 7, 2021
Instrument	2021-249524

Lender

Name	SUMMIT FUNDING INC
Type	Mortgage Company
Address	SACRAMENTO, CA 95815

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	301 Months
Due	Oct 1, 2046

March 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 29, 2019
Property Address	139 ARMSTRONG ST, HERCULES, CA 94547-2025
Document Number	0000043105
Map Reference	MB 326 PG 9
Instrument Date	Mar 26, 2019
Instrument	2019-043105
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	139 ARMSTRONG ST, HERCULES, CA 94547-2025
Investor	Possibly a Property Investor

Mortgage

Document Number	0000043106
Date	Mar 29, 2019
Instrument	2019-043106

Lender

Name	SUMMIT FUNDING INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2049

March 2019: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 29, 2019
Property Address	139 ARMSTRONG ST, HERCULES, CA 94547-2025
Document Number	0000043104
Instrument Date	Mar 25, 2019
Instrument	43104
Transaction Type	Transfer
Record Updated	Apr 22, 2019
Title Company	OLD REPUBLIC TITLE

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	1148 VIEWPOINT BLVD RODEO CA 945721919, RODEO, CA 94572-1919

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	Hercules City
Unified School District	West Contra Costa Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$887,500 (+2%) Land $318,589 Building $568,911
2025	$13,040.00 (+5.44%)	$870,099 (+4.04%) Land $312,343 Building $557,756
2023	$12,367.00 (+1.12%)	$836,314 Land $300,215 Building $536,099
2022	$12,230.00

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force
Nearby Flood Claims	7 (1993–2017)
Claims Outside the SFHA	2 of 7
Most Recent Claim	Feb 2017 · Severe Winter Storms, Flooding, And Mudslides

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	High above 77% of the US · above 53% of California
Wildfire Likelihood	0.5% annual chance
Exposure	Direct burnable vegetation

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	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 216 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
T-Mobile Fixed Wireless	100 / 20

May also be available: Unwired.

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