340 Underhill Dr, Napa, CA 94558 Property Records

Napa County property record for 340 Underhill Dr, Napa, CA 94558

Property Summary

Property Type	Duplex
Details	4 bd · 2 ba · 1,927 sqft · built 1971
Lot Size	0.22 acres (9,583 sqft)
Owner	2 Individual Names on Record
Last Sale	$970,000 (Aug 2022)
Tax Bill	$12,874 (2026)
Deeds & Mortgages	Aug 2022 Sale & Mortgage Jan 2020 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`004-362-030-000`

Property Details

APN / Parcel Number

Primary APN	`004-362-030-000`
Alternative APNs	`004-362-030` `00436230`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Building Area	1,927 sqft Living Area
Gross Area	2,552 sqft

Exterior

Year Built	Built 1971
Effective Year Built	Effective 2000
Architectural Style	Duplex Single
Lot Area	9,583 sqft (0.22 acres)
Garage Type	Attached
Garage Area	625 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Old Parcel Number	004-362-030
Street Address	340 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 1 RIDGEVIEW MANOR SUB 6R/M95
Legal Subdivision	RIDGEVIEW 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	1350 PUEBLO AVE, 227, NAPA, CA 94558-4856
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Aug 3, 2022	Grant Deed, Transfer · Conventional Mortgage PRIMARY RESIDENTIAL MORTGAGE INC
Jan 28, 2020	Affidavit of Death, Transfer NOT AVAILABLE
Jun 26, 2018	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 3, 2022 · Amount on Record
Deed Sale	Aug 3, 2022 · Amount on Record
Deed Document Number	202214935
Prior Transfer Date	Jun 1, 2018
Prior Transfer Doc	0000012638
Record Updated	Oct 29, 2026

August 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	NAPA CA
Recording Date	Aug 3, 2022
Property Address	340 UNDERHILL DR, NAPA, CA 94558-6199
Document Number	0000014935
Map Reference	MB 6 PG 95
Instrument Date	Jul 27, 2022
Instrument	2022-0014935
Transaction Type	Transfer
Record Updated	Aug 11, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
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
Relationship	Joint Tenants
Address	1350 PUEBLO AVE TRLR 227, 227, NAPA, CA 94558-4856

Mortgage

Document Number	0000014936
Date	Aug 3, 2022
Instrument	2022-0014936

Lender

Name	PRIMARY RESIDENTIAL MORTGAGE INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2052

January 2020: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	NAPA CA
Recording Date	Jan 28, 2020
Property Address	340 UNDERHILL DR, NAPA, CA 94558-6199
Document Number	0000001909
Instrument Date	Jan 27, 2020
Instrument	1909
Transaction Type	Transfer
Record Updated	Feb 14, 2020
Title Company	NOT AVAILABLE

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	236 SKYLARK WAY NAPA CA 945586322, NAPA, CA 94558-6322

June 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	NAPA CA
Recording Date	Jun 26, 2018
Property Address	340 UNDERHILL DR, NAPA, CA 94558-6199
Document Number	0000012638
Instrument Date	Jun 1, 2018
Instrument	12638
Transaction Type	Transfer
Record Updated	Jul 10, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	236 SKYLARK WAY NAPA CA 945586322, NAPA, CA 94558-6322

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	$12,874.00 (+2.14%)	$1,029,370 (+2%) Land $371,422 Building $657,948	$1,029,370 Land $371,422 Building $657,948
2025	$12,604.00 (+3.99%)	$1,009,188 (+4.04%) Land $364,140 Building $645,048
2023	$12,120.00 (+413.12%)	$970,000 Land $350,000 Building $620,000
2022	$2,362.00

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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