360 Underhill Dr, Napa, CA 94558 Property Records

Napa County property record for 360 Underhill Dr, Napa, CA 94558

Property Summary

Property Type	Duplex
Details	4 bd · 2 ba · 1,768 sqft · built 1971
Lot Size	0.23 acres (10,019 sqft)
Owner	2 Company Names on Record
Tax Bill	$4,291 (2026)
Deeds & Mortgages	Aug 2026 Sale
Flood Zone	Zone X (minimal risk)
APN	`004-362-029-000`

Property Details

APN / Parcel Number

Primary APN	`004-362-029-000`
Alternative APNs	`004-362-029` `00436229`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Building Area	1,768 sqft Living Area
Gross Area	2,168 sqft

Exterior

Year Built	Built 1971
Effective Year Built	Effective 1971
Architectural Style	Duplex Single
Construction Type	Wood
Lot Area	10,019 sqft (0.23 acres)
Garage Type	Attached
Garage Area	400 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	None
Heating System	HVAC

Location & Zoning

Old Parcel Number	004-362-029
Street Address	360 UNDERHILL DR
City	NAPA
State	CA
Zip	94558-6199
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	RM
Legal Description	LOT 2 RIDGEVIEW MANOR SUB 6R/M95
Legal Subdivision	RIDGEVIEW MANOR
Legal Lot Number	2
Jurisdiction	NAPA CA
Township / Civil Division	NAPA
Census Block Group	1
Census Block	1001
Census Tract	200802

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	2 Company Names on Record
Mailing Address	690 BUTTERCUP LN, JACKSONVILLE, OR 97530-9500
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Jul 27, 2026
Transfer Doc	0000011359
Record Updated	Oct 29, 2026

August 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	NAPA CA
Recording Date	Aug 4, 2026
Property Address	360 UNDERHILL DR, NAPA, CA 94558-6199
Document Number	0000011359
Instrument Date	Jul 27, 2026
Instrument	202611359
Transaction Type	Transfer
Record Updated	Aug 31, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	690 BUTTERCUP LN, JACKSONVILLE, OR 97530-9500

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$4,291.00 (+2.31%)	$267,946 (+2%) Land $105,262 Building $162,684	$267,946 (+2%) Land $105,262 Building $162,684
2025	$4,194.00 (+0.94%)	$262,694 (+4.04%) Land $103,199 Building $159,495	$262,694 Land $103,199 Building $159,495
2023	$4,155.00 (-0.41%)	$252,495 Land $99,193 Building $153,302
2022	$4,172.00

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
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	1 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

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

Wildfire Risk	Low lower than 98% of the US · lower than 98.4% of California
Wildfire Likelihood	Under 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 NAPA serves 84,804 people · EPA ID CA2810003
Water Source	Surface water
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 578 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: T-Mobile, Verizon.

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