550 Hartz Ave, Danville, CA 94526 Property Records

Contra Costa County property record for 550 Hartz Ave, Danville, CA 94526

Property Summary

Property Type	Retail Stores (Personal Services, Photography, Travel)
Details	5,792 sqft · built 1960
Lot Size	0.232 acres (10,100 sqft)
Owner	Company Name on File
Last Sale	$4,000,000 (Jan 2018)
Tax Bill	$53,137 (2025)
Deeds & Mortgages	Jan 2018 Sale
Flood Zone	Zone X (minimal risk)
APN	`208-022-003-7`

Property Details

APN / Parcel Number

Primary APN	`208-022-003-7`
Alternative APN	`208-022-003`

Interior

Stories	1 Story
Building Area	5,792 sqft Gross Area
1st Floor Area	5,792 sqft

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1960
Lot Area	10,100 sqft (0.232 acres)

Location & Zoning

Street Address	550 HARTZ AVE
City	DANVILLE
State	CA
Zip	94526-3851
Property Category	Commercial
Property Type	Commercial > Retail > Retail Stores (Personal Services, Photography, Travel)
Legal Description	HARTZ ADDN LOTS 11 & 12 BLK 1
Legal Subdivision	HARTZ ADD
Legal Block	1
Legal Lot Number	11,12
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2004
Census Tract	345203

Owner

Source: Contra Costa County assessment roll, 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	Company Name on File
Mailing Address	270 MONTEGO DR, DANVILLE, CA 94526-4843
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jan 18, 2018 · Amount on Record
Deed Sale	Jan 18, 2018 · Amount on Record
Prior Sale	May 22, 2014 · Amount on Record
Deed Document Number	20187503
Prior Transfer Date	Mar 21, 2012
Prior Transfer Doc	0000121583
Record Updated	Sep 20, 2026

January 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 18, 2018
Property Address	550 HARTZ AVE, DANVILLE, CA 94526-3851
Document Number	0000007503
Instrument Date	Jan 5, 2018
Instrument	7503
Transaction Type	Transfer
Record Updated	Jan 24, 2018
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount Recorded
Tax	$4,400.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	270 MONTEGO DR DANVILLE CA 945264843, DANVILLE, CA 94526-4843

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	Danville Town
Unified School District	San Ramon Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$4,642,338 (+2%) Land $2,344,380 Building $2,297,958
2025	$53,137.00 (+3.47%)	$4,551,312 (+4.04%) Land $2,298,412 Building $2,252,900
2023	$51,357.00 (+0.96%)	$4,374,581 Land $2,209,163 Building $2,165,418
2022	$50,867.00

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
Nearest Special Flood Hazard Area	Zone A, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	3 (1980–1986)
Most Recent Claim	Feb 1986 · Severe Storms & Flooding

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

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 398 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
AT&T Fixed Wireless · DSL · Fiber in parts of the area	100 / 20
T-Mobile USA Fixed Wireless	100 / 20