545 Howell Mountain Rd S, Angwin, CA 94508 Property Records

Napa County property record for 545 Howell Mountain Rd S, Angwin, CA 94508

Property Summary

Property Type	Vineyard
Details	3 bd · 4 ba · 2,304 sqft · built 2012
Lot Size	5.68 acres (247,856 sqft)
Owner	Company Name on Record
Last Sale	$1,250,000 (Jan 2025)
Tax Bill	$26,914 (2026)
Deeds & Mortgages	Mar 2022 Sale
Flood Zone	Zone X (minimal risk)
APN	`024-101-001-000`

Property Details

APN / Parcel Number

Primary APN	`024-101-001-000`
Alternative APNs	`024-101-001` `02410101`

Interior

Bedrooms	3 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Building Area	2,744 sqft Gross Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2012
Effective Year Built	Effective 2012
Construction Type	Wood
Lot Area	247,856 sqft
Garage Type	Attached
Garage Area	440 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	None
Heating System	HVAC

Location & Zoning

Old Parcel Number	024-101-001
Street Address	545 HOWELL MOUNTAIN RD S
City	ANGWIN
State	CA
Zip	94508
Property Category	Agriculture or Farming
Property Type	Agriculture / Farming > Vineyard
Local Zoning Code	AW
Legal Subdivision	LA JOTA RANCHO
Legal Lot Number	38,39
Jurisdiction	NAPA CA
Township / Civil Division	ANGWIN
Census Block Group	2
Census Block	2000
Census Tract	201700

Owner

Source: Napa County records, as of October 21, 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 Record
Mailing Address	545 HOWELL MOUNTAIN RD S, ANGWIN, CA 94508
Owner Type	Company
Vesting	Limited Liability Partnership

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 27, 2025 · Amount on Record
Deed Sale	Jan 27, 2025 · Amount on Record
Prior Sale	Mar 18, 2022 · Amount on Record
Deed Document Number	20251244
Prior Transfer Date	Nov 29, 1994
Prior Transfer Doc	0000002837
Record Updated	Oct 29, 2026

March 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	NAPA CA
Recording Date	Mar 18, 2022
Property Address	545 HOWELL MOUNTAIN RD S, ANGWIN, CA 94508
Document Number	0000005694
Instrument Date	Mar 17, 2022
Instrument	2022-0005694
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	FIRST AMER TTL CO OF NAPA

Transaction

Amount	Amount Recorded
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
Relationship	Revocable Trust
Address	3750 UNIVERSITY AVE # 6TH, RIVERSIDE, CA 92501-3366

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Napa County
Elementary School District	Howell Mountain Elementary School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$26,914.00 (-0.94%)	$2,627,826 (-0.97%) Land $1,260,678 Building $1,367,148	$2,627,826 Land $1,260,678 Building $1,367,148
2025	$27,169.00 (+4%)	$2,653,658 (+4.05%) Land $1,246,919 Building $1,406,739
2023	$26,125.00 (+24.82%)	$2,550,420 Land $1,198,500 Building $1,351,920
2022	$20,930.00

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

Flood

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 Claims	2 (2004–2011)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Mar 2011 · rainfall accumulation

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	High above 85% of the US · above 64% of California
Wildfire Likelihood	0.5% annual chance
Exposure	Direct burnable vegetation

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	HOWELL MOUNTAIN MUTUAL WATER COMPANY private · serves 1,244 people · EPA ID CA2810001
Water Source	Surface water
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	Total trihalomethanes resolved · Jan 2023
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 18 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Starlink Satellite	280 / 30
Verizon Fixed Wireless	25 / 6
AT&T DSL · Fixed Wireless in parts of the area	10 / 1

May also be available: Valley Internet, Xfinity.

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