327 Hartz Ave, Danville, CA 94526 Property Records

Contra Costa County property record for 327 Hartz Ave, Danville, CA 94526

Property Summary

Property Type	Retail Stores (Personal Services, Photography, Travel)
Details	1,817 sqft · built 1921
Lot Size	0.123 acres (5,358 sqft)
Owner	2 Individual Names on File
Last Sale	$1,400,000 (May 2017)
Tax Bill	$18,912 (2025)
Deeds & Mortgages	May 2017 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`199-350-037-8`

Property Details

APN / Parcel Number

Primary APN	`199-350-037-8`
Alternative APN	`199-350-037`

Interior

Stories	1 Story
Building Area	1,817 sqft Gross Area
1st Floor Area	1,817 sqft

Exterior

Year Built	Built 1921
Effective Year Built	Effective 1950
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	5,358 sqft (0.123 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Street Address	327 HARTZ AVE, 329
City	DANVILLE
State	CA
Zip	94526-3307
Property Category	Commercial
Property Type	Commercial > Retail > Retail Stores (Personal Services, Photography, Travel)
Legal Description	POR RO SAN RAMON
Legal Subdivision	SAN RAMON RHO
Legal Lot Number	2
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3009
Census Tract	345203

Owner

327 Hartz Ave is owned by two individuals who bought it in May 2017.

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

Owner of Record	2 Individual Names on File
Mailing Address	1875 OLYMPIC BLVD, 130, WALNUT CREEK, CA 94596-5161
Owner Type	Individual

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

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 31, 2017 · Amount on File
Deed Sale	May 31, 2017 · Amount on File
Deed Document Number	201796801
Prior Transfer Date	Apr 29, 2011
Prior Transfer Doc	0000088270
Record Updated	Oct 29, 2026

May 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 31, 2017
Property Address	327-329 HARTZ AVE # 329, 329, DANVILLE, CA 94526
Document Number	0000096801
Instrument Date	May 25, 2017
Instrument	2017-096801
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
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
Address	1517 N MAIN ST STE 212, 212, WALNUT CREEK, CA 94596-4662

Mortgage

Document Number	0000096802
Date	May 31, 2017
Instrument	2017-096802

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 327 Hartz Ave was $18,912.

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		$1,657,311 (+2%) Land $1,266,661 Building $390,650
2025	$18,912.00	$1,624,816 Land $1,241,825 Building $382,991
2023	$18,147.00 (+0.52%)	$1,561,724 (+2%) Land $1,193,604 Building $368,120
2022	$18,054.00	$1,531,102 Land $1,170,200 Building $360,902

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 327 Hartz Ave in Zone X, an area of minimal flood risk.

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	5 in force

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

Wildfire risk around 327 Hartz Ave is low, with a 0.01% annual chance of 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	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 Fixed Wireless	100 / 20