441 Underhill Dr, Napa, CA 94558 Property Records

Napa County property record for 441 Underhill Dr, Napa, CA 94558

Property Summary

Property Type	Duplex
Lot Size	0.22 acres (9,583 sqft)
Owner	Company Name on Record
Tax Bill	$2,287 (2026)
Deeds & Mortgages	Mar 2017 Transfer Mar 2017 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`004-362-031-000`

Property Details

APN / Parcel Number

Primary APN	`004-362-031-000`
Alternative APNs	`004-362-031` `00436231`

Exterior

Architectural Style	Duplex Single
Lot Area	9,583 sqft (0.22 acres)

Location & Zoning

Old Parcel Number	004-362-031
Street Address	441 UNDERHILL DR
City	NAPA
State	CA
Zip	94558-6105
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	RM
Legal Description	PCL A MAP NO 846 9R/S74
Legal Subdivision	LANDS OF HARRIS H CHITTENDEN
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	Company Name on Record
Mailing Address	20 S NEWPORT DR, NAPA, CA 94559-4817
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Mar 23, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY
Mar 1, 2017	Affidavit of Death, Transfer
Mar 1, 2017	Grant Deed, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Feb 27, 2017
Transfer Doc	0000005340
Record Updated	Oct 29, 2026

March 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	NAPA CA
Recording Date	Mar 23, 2017
Property Address	441 UNDERHILL DR, NAPA, CA 94558-6105
Document Number	0000007054
Instrument Date	Mar 13, 2017
Instrument	7054
Transaction Type	Transfer
Record Updated	Mar 30, 2017
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20 S NEWPORT DR NAPA CA 945594817, NAPA, CA 94559-4817

March 2017: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	NAPA CA
Recording Date	Mar 1, 2017
Property Address	441 UNDERHILL DR, NAPA, CA 94558-6105
Document Number	0000005340
Instrument Date	Feb 27, 2017
Instrument	5340
Transaction Type	Transfer
Record Updated	Mar 9, 2017

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	441 UNDERHILL DR NAPA CA 945586105, NAPA, CA 94558-6105

March 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	NAPA CA
Recording Date	Mar 1, 2017
Property Address	441 UNDERHILL DR, NAPA, CA 94558-6105
Document Number	0000005341
Instrument Date	Feb 27, 2017
Instrument	5341
Transaction Type	Transfer
Record Updated	Mar 9, 2017

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	441 UNDERHILL DR NAPA CA 945586105, NAPA, CA 94558-6105

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	$2,287.00 (+2.51%)	$90,188 (+2%) Land $21,988 Building $68,200	$90,188 Land $21,988 Building $68,200
2025	$2,231.00 (-2.79%)	$88,420 (+4.04%) Land $21,557 Building $66,863
2023	$2,295.00 (-1.88%)	$84,988 Land $20,721 Building $64,267
2022	$2,339.00

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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