480 Underhill Dr, Napa, CA 94558 Property Records

Napa County property record for 480 Underhill Dr, Napa, CA 94558

Property Summary

Property Type	Duplex
Details	4 bd · 2 ba · 1,927 sqft · built 1971
Lot Size	0.29 acres (12,632 sqft)
Owner	Individual Name on Record
Last Sale	$1,000,000 (May 2022)
Tax Bill	$13,472 (2026)
Deeds & Mortgages	May 2022 Transfer May 2022 Sale & Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`004-362-023-000`

Property Details

APN / Parcel Number

Primary APN	`004-362-023-000`
Alternative APNs	`004-362-023` `00436223`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,927 sqft Living Area
Gross Area	2,552 sqft
1st Floor Area	1,927 sqft

Exterior

Year Built	Built 1971
Effective Year Built	Effective 1971
Architectural Style	Duplex Single
Construction Type	Wood
Roof Type	Gable
Lot Area	12,632 sqft (0.29 acres)
Garage Type	Attached
Garage Area	625 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Wall Unit

Location & Zoning

Old Parcel Number	004-362-023
Street Address	480 UNDERHILL DR
City	NAPA
State	CA
Zip	94558-6106
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	RM
Legal Description	LOT 8 RIDGEVIEW MANOR SUB 6R/M95
Legal Subdivision	RIDGEVIEW MANOR
Legal Lot Number	8
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	Individual Name on Record
Mailing Address	426 LE JEAN WAY, WALNUT CREEK, CA 94597-6819
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
May 6, 2022	Intrafamily Transfer, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY
May 6, 2022	Grant Deed, Transfer · Conventional Mortgage MUFG UNION BANK NA
Jan 25, 2021	Quit Claim Deed, Transfer STEWART TITLE, STEWART TITLE/CA
Jan 25, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage AMERICAN PACIFIC MORTGAGE CORP
Dec 31, 2018	Grant Deed, Transfer · Conventional Mortgage QUICKEN LNS

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 6, 2022 · Amount on Record
Deed Sale	May 6, 2022 · Amount on Record
Prior Sale	Dec 31, 2018 · Amount on Record
Deed Document Number	20229417
Prior Transfer Date	May 2, 2022
Prior Transfer Doc	0000009418
Record Updated	Oct 29, 2026

May 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	NAPA CA
Recording Date	May 6, 2022
Property Address	480 UNDERHILL DR, NAPA, CA 94558-6106
Document Number	0000009418
Map Reference	MB 6 PG 95
Instrument Date	May 2, 2022
Instrument	2022-0009418
Transaction Type	Transfer
Record Updated	May 13, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	426 LE JEAN WAY, WALNUT CREEK, CA 94597-6819

May 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	NAPA CA
Recording Date	May 6, 2022
Property Address	480 UNDERHILL DR, NAPA, CA 94558-6106
Document Number	0000009417
Map Reference	MB 6 PG 95
Instrument Date	Apr 28, 2022
Instrument	2022-0009417
Transaction Type	Transfer
Record Updated	May 13, 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
Address	426 LE JEAN WAY, WALNUT CREEK, CA 94597-6819

Mortgage

Document Number	0000009419
Date	May 6, 2022
Instrument	2022-0009419

Lender

Name	MUFG UNION BANK NA
Type	Bank

Agreement

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

Interest

Rate Type	Adjustable Rate
Rate	4.75%
Type Change Date	Jun 1, 2032
Change Frequency	6 Months
Min Rate At Change	2.75%
Max Rate At Change	6.75%
Index	Other
Max Rate	10.7%

January 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	NAPA CA
Recording Date	Jan 25, 2021
Property Address	480 UNDERHILL DR, NAPA, CA 94558-6106
Document Number	0000002386
Instrument Date	Jan 12, 2021
Instrument	2386
Transaction Type	Transfer
Record Updated	Feb 8, 2021
Title Company	STEWART TITLE, STEWART TITLE/CA

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	389 WARREN DR SAN FRANCISCO CA 941311033, SAN FRANCISCO, CA 94131-1033

January 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	NAPA CA
Recording Date	Jan 25, 2021
Property Address	480 UNDERHILL DR, NAPA, CA 94558-6106
Document Number	0000002384
Map Reference	MB 6 PG 95
Instrument Date	Jan 12, 2021
Instrument	2021-0002384
Transaction Type	Transfer
Record Updated	Aug 12, 2021
Title Company	STEWART TITLE OF CA INC

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	389 WARREN DR, SAN FRANCISCO, CA 94131-1033

Mortgage

Document Number	0000002385
Date	Jan 25, 2021
Instrument	2021-0002385

Lender

Name	AMERICAN PACIFIC MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2051

December 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	NAPA CA
Recording Date	Dec 31, 2018
Property Address	480 UNDERHILL DR, NAPA, CA 94558-6106
Document Number	0000024838
Instrument Date	Dec 26, 2018
Instrument	24838
Transaction Type	Transfer
Record Updated	Jan 10, 2019
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$891.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	389 WARREN DR SAN FRANCISCO CA 941311033, SAN FRANCISCO, CA 94131-1033

Mortgage

Document Number	24839
Date	Dec 31, 2018
Instrument	24839

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Dec 30, 2048

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	$13,472.00 (+2.14%)	$1,082,430 (+2%) Land $514,154 Building $568,276	$1,082,430 (+2%) Land $514,154 Building $568,276
2025	$13,190.00 (+4.06%)	$1,061,207 (+4.04%) Land $504,073 Building $557,134	$1,061,207 Land $504,073 Building $557,134
2023	$12,675.00 (+8.06%)	$1,020,000 Land $484,500 Building $535,500
2022	$11,730.00

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.

Nearby Properties on Underhill Dr

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures