3646 Spring Mountain Rd, Saint Helena, CA 94574 Property Records

Napa County property record for 3646 Spring Mountain Rd, Saint Helena, CA 94574

Property Summary

Property Type	Winery
Details	1 bd · 1 ba · 1,695 sqft · built 1990
Lot Size	56.7 acres (2,472,030 sqft)
Owner	Company Name on File
Last Sale	$4,935,500 (Nov 2022)
Tax Bill	$55,376 (2026)
Deeds & Mortgages	Nov 2022 Transfer Nov 2022 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`022-150-026-000`

Property Details

APN / Parcel Number

Primary APN	`022-150-026-000`
Alternative APNs	`022-150-026` `02215026`

Interior

Bedrooms	1 Bed
Full Baths	1 Bath
Total Rooms	3 Rooms
Building Area	1,695 sqft Gross Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1990
Effective Year Built	Effective 1990
Exterior Material	Wood Siding
Construction Type	Wood
Roof Material	Other
Lot Area	2,472,030 sqft
Garage Area	280 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	None
Heating System	Central

Location & Zoning

Old Parcel Number	022-150-026
Street Address	3646 SPRING MOUNTAIN RD
City	SAINT HELENA
State	CA
Zip	94574-9677
Property Category	Industrial
Property Type	Industrial > Winery
Local Zoning Code	AW
Legal Description	31R/S89 CERT OF COMPLIANCE 1662/388
Legal Subdivision	D. O. HUNT TRACT
Jurisdiction	NAPA CA
Township / Civil Division	ST. HELENA
Census Block Group	1
Census Block	1007
Census Tract	201500

Owner

3646 Spring Mountain Rd, an industrial property, is owned by a company that bought it in November 2022.

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

Owner of Record	Company Name on File
Mailing Address	PO BOX 142, SAINT HELENA, CA 94574-0142
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

Date	Document
Nov 30, 2022	Intrafamily Transfer, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO
Nov 30, 2022	Grant Deed, Transfer · Stand-Alone First Mortgage FIRST REPUBLIC BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 30, 2022 · Amount on File
Deed Sale	Nov 30, 2022 · Amount on File
Prior Sale	Apr 16, 2012
Deed Document Number	202221323
Prior Transfer Date	Apr 17, 2009
Prior Transfer Doc	0000009457
Record Updated	Oct 29, 2026

November 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	NAPA CA
Recording Date	Nov 30, 2022
Property Address	3646 SPRING MOUNTAIN RD, SAINT HELENA, CA 94574-9677
Document Number	0000021324
Instrument Date	Nov 21, 2022
Instrument	2022-0021324
Transaction Type	Transfer
Record Updated	Dec 8, 2022
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	PO BOX 142, SAINT HELENA, CA 94574-0142

November 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	NAPA CA
Recording Date	Nov 30, 2022
Property Address	3646 SPRING MOUNTAIN RD, SAINT HELENA, CA 94574-9677
Document Number	0000021323
Instrument Date	Oct 13, 2022
Instrument	2022-0021323
Transaction Type	Transfer
Record Updated	Dec 8, 2022
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

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	PO BOX 142, SAINT HELENA, CA 94574-0142

Mortgage

Document Number	0000021325
Date	Nov 30, 2022
Instrument	2022-0021325

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount on Record

Tax Assessment & Valuation

The 2026 property tax bill for 3646 Spring Mountain Rd was $55,376, up 1.8% from the year before.

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$55,376.00 (+1.78%)	$5,237,589 (+2%) Land $4,331,850 Building $905,739	$5,237,589 (+2%) Land $4,331,850 Building $905,739
2025	$54,406.00	$5,134,892 Land $4,246,912 Building $887,980	$5,134,892 Land $4,246,912 Building $887,980
2023	$52,780.00 (+16.81%)	$4,935,500 Land $4,082,000 Building $853,500
2022	$45,184.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 3646 Spring Mountain Rd in Zone X, an area of minimal flood risk, though there have been 18 flood claims nearby since 1982.

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
Flood Insurance Cost	Premium on File median of 41 policies
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	41 in force
Nearby Flood Claims	18 (1982–2012)
Claims Outside the SFHA	4 of 18
Most Recent Claim	Dec 2012 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 2 claims Severe Winter Storms And Flooding, Feb 1998 · 2 claims Severe Winter Storms, Flooding Landslides, Mud Flow, Mar 1995 · 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 3646 Spring Mountain Rd is moderate, ranking above 51% of the US, with a 0.1% annual chance of wildfire.

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

Wildfire Risk	Moderate above 51% of the US · lower than 69% of California
Wildfire Likelihood	0.1% annual chance
Exposure	Direct burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Internet Providers

Source: FCC Broadband Data Collection, based on 6 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Starlink Satellite	280 / 30
Valley Internet Fixed Wireless	150 / 75

Cell Coverage

4G LTE (outdoors only), no 5G reported

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