341 Underhill Dr, Napa, CA 94558 Property Records

Napa County property record for 341 Underhill Dr, Napa, CA 94558

Property Summary

Property Type	Duplex
Details	5 bd · 3 ba · 2,282 sqft · built 1950
Lot Size	0.24 acres (10,454 sqft)
Owner	2 Individual Names on Record
Last Sale	$325,000 (Jun 2001)
Tax Bill	$6,743 (2026)
Deeds & Mortgages	May 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`004-372-014-000`

Property Details

APN / Parcel Number

Primary APN	`004-372-014-000`
Alternative APNs	`004-372-014` `00437214`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Units	2 Units
Stories	1 Story
Building Area	2,282 sqft Living Area
1st Floor Area	2,282 sqft

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1980
Architectural Style	Duplex Single
Construction Type	Wood
Lot Area	10,454 sqft (0.24 acres)

Location & Zoning

Old Parcel Number	004-372-014
Street Address	341 UNDERHILL DR
City	NAPA
State	CA
Zip	94558-7400
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	RM
Legal Subdivision	COVENTRY MANOR
Legal Lot Number	1
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 Individual Names on Record
Mailing Address	341 UNDERHILL DR, NAPA, CA 94558-7400
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 29, 2001 · Amount on Record
Deed Sale	Jun 29, 2001 · Amount on Record
Deed Document Number	200121705
Last Transfer Date	May 24, 2021
Transfer Doc	0000018564
Record Updated	Oct 29, 2026

May 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	NAPA CA
Recording Date	May 28, 2021
Property Address	341 UNDERHILL DR, NAPA, CA 94558-7400
Document Number	0000018564
Map Reference	MB 1 PG 38
Instrument Date	May 24, 2021
Instrument	2021-0018564
Transaction Type	Transfer
Record Updated	Jun 9, 2021
Title Company	PLACER TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	341 UNDERHILL DR, NAPA, CA 94558-7400
Investor	Possibly a Property Investor

Mortgage

Document Number	0000018565
Date	May 28, 2021
Instrument	2021-0018565

Lender

Name	HOMEBRIDGE FINANCIAL SERVICES INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	121 Months
Due	Jun 1, 2031

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	$6,743.00 (+2.26%) Homeowner's exemption	$499,499 (+2%) Land $307,388 Building $192,111	$499,499 Land $307,388 Building $192,111
2025	$6,594.00 (+2.68%) Homeowner's exemption	$489,706 (+4.04%) Land $301,361 Building $188,345
2023	$6,422.00 (+0.31%) Homeowner's exemption	$470,691 Land $289,659 Building $181,032
2022	$6,402.00

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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