501 Main St, Saint Helena, CA 94574 Property Records

Napa County property record for 501 Main St, Saint Helena, CA 94574

Property Summary

Property Type	Commercial Building, Warehouse, Showroom
Details	2,983 sqft · built 1967
Lot Size	0.44 acres (19,166 sqft)
Owner	Company Name on File
Last Sale	$3,500,000 (Aug 2026)
Tax Bill	$15,631 (2026)
Deeds & Mortgages	Aug 2026 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`009-180-014-000`

Property Details

APN / Parcel Number

Primary APN	`009-180-014-000`
Alternative APNs	`009-180-014` `00918014`

Interior

Building Area	2,983 sqft Gross Area

Exterior

Year Built	Built 1967
Effective Year Built	Effective 1990
Construction Type	Wood
Fire Resistance	Wood or Wood & Steel Frame
Lot Area	19,166 sqft (0.44 acres)

Location & Zoning

Old Parcel Number	009-180-014
Street Address	501 MAIN ST
City	SAINT HELENA
State	CA
Zip	94574-2002
Property Category	Commercial
Property Type	Commercial > Retail > Commercial Building, Warehouse, Showroom
Legal Description	PCL A MAP NO 948 10R/S10 H 009180017000 009180017000 P
Legal Subdivision	LANDS OF J W MILLER REALTY CO
Legal Lot Number	A
Jurisdiction	NAPA CA
Township / Civil Division	ST. HELENA
Census Block Group	1
Census Block	1001
Census Tract	201601

Owner

501 Main St, a commercial property, is owned by a company that bought it in August 2026.

Source: Napa County records, as of October 21, 2026

Owner of Record	Company Name on File
Mailing Address	4225 SOLANO AVE, NAPA, CA 94558-1611
Owner Type	Company
Vesting	Limited Liability Partnership

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	Name on Deed
Last Sale	Aug 3, 2026 · Amount on File
Deed Sale	Aug 3, 2026 · Amount on File
Prior Sale	Sep 28, 2012 · Amount on File
Deed Document Number	202611300
Prior Transfer Date	Sep 11, 2012
Prior Transfer Doc	0000025747
Record Updated	Oct 29, 2026

August 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	NAPA CA
Recording Date	Aug 3, 2026
Property Address	501 MAIN ST, SAINT HELENA, CA 94574-2002
Document Number	0000011300
Instrument Date	Jul 29, 2026
Instrument	202611300
Transaction Type	Transfer
Record Updated	Sep 21, 2026
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$388,850.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Limited Liability Partnership

Mortgage

Document Number	0000011301,
Date	Aug 3, 2026
Instrument	202611301

Lender

Name	REDWOOD CREDIT UNION

Agreement

Type	Conventional Mortgage
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Initial Type	Adjustable Rate
Adjustable	Adjustable Rate Rider
Max Rate	-1%

Mortgage

Document Number	0000011305,
Date	Aug 3, 2026
Instrument	202611305

Lender

Name	REDWOOD CREDIT UNION

Agreement

Amount	Amount on Record

Interest

Max Rate	-1%

Tax Assessment & Valuation

The 2026 property tax bill for 501 Main St was $15,631, up 1.7% from the year before.

Source: Napa County assessment roll, as of October 21, 2026

Property Jurisdictions

Type	Name
State	California
County	Napa County
Municipality	St. Helena City
Unified School District	St. Helena Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$15,631.00 (+1.73%)	$1,465,471 (+2%) Land $873,616 Building $591,855	$1,465,471 (+2%) Land $873,616 Building $591,855
2025	$15,365.00	$1,436,737 Land $856,487 Building $580,250	$1,436,737 Land $856,487 Building $580,250
2023	$14,880.00 (+3.98%)	$1,380,949 Land $823,230 Building $557,719
2022	$14,311.00

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

FEMA maps place 501 Main St in Zone X, an area of minimal flood risk, though there have been 7 flood claims nearby since 1995.

Source: FEMA National Flood Hazard Layer, effective June 25, 2024 · 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	9 in force
Nearby Flood Claims	7 (1995–2006)
Claims Outside the SFHA	2 of 7
Most Recent Claim	Sep 2006 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 5 claims

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 501 Main St 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	CITY OF ST. HELENA serves 5,386 people · EPA ID CA2810004
Water Source	Surface water
Last State Inspection	Feb 2025
Lead	Under 1 ppb (2024–2026) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids not recorded as resolved · Jul 2023 Treatment failure resolved · Nov 2020
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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 205 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

May also be available: AT&T, Valley Internet.

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