848 Willow Ave, Hercules, CA 94547 Property Records

Contra Costa County property record for 848 Willow Ave, Hercules, CA 94547

Property Summary

Property Type	Retail Stores (Personal Services, Photography, Travel)
Details	6,458 sqft · built 2008
Lot Size	0.509 acres (22,172 sqft)
Owner	Company Name on File
Last Sale	$9,700,000 (Dec 2014)
Tax Bill	$46,631 (2025)
Flood Zone	Zone X (minimal risk)
APN	`406-531-006-4`

Property Details

APN / Parcel Number

Primary APN	`406-531-006-4`
Alternative APN	`406-531-006`

Interior

Total Rooms	7 Rooms
Stories	1 Story
Building Area	6,458 sqft Gross Area
1st Floor Area	6,458 sqft

Exterior

Year Built	Built 2008
Effective Year Built	Effective 2009
Lot Area	22,172 sqft (0.509 acres)

Location & Zoning

Street Address	848 WILLOW AVE
City	HERCULES
State	CA
Zip	94547-3854
Property Category	Commercial
Property Type	Commercial > Retail > Retail Stores (Personal Services, Photography, Travel)
Legal Description	T191PM5 PCL 2
Legal Tract	191PM5
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	2
Census Block	2004
Census Tract	359203

Owner

Source: Contra Costa County assessment roll, APN 406-531-006-4, as of July 14, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on File
Mailing Address	1390 WILLOW PASS RD, 220, CONCORD, CA 94520-7989
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Dec 17, 2014 · Amount on Record
Deed Sale	Dec 17, 2014 · Amount on Record
Deed Document Number	2014223803
Prior Transfer Date	Sep 14, 2009
Prior Transfer Doc	0000226963
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

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.

Year	Tax Bill	Assessed Value
2026		$3,567,322 (+2%) Land $612,938 Building $2,954,384
2025	$46,631.00 (+8.3%)	$3,497,375 (+4.04%) Land $600,920 Building $2,896,455
2023	$43,059.00 (-1.33%)	$3,361,570 Land $577,587 Building $2,783,983
2022	$43,639.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), as of October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Wildfire

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 are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection, 461 locations within half a mile, as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
T-Mobile USA Fixed Wireless	100 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: Unwired, Verizon.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CA0110005, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	EAST BAY MUD serves 1,468,000 people
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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.