480 Monroe St, Napa, CA 94559 Property Records

Napa County property record for 480 Monroe St, Napa, CA 94559

Property Summary

Property Type	Duplex
Details	2 bd · 2 ba · 1,460 sqft · built 1952
Lot Size	0.18 acres (7,841 sqft)
Owner	Company Name on Record
Tax Bill	$7,371 (2026)
Deeds & Mortgages	Dec 2021 Transfer
Flood Zone	Zone X (minimal risk)
APN	`004-203-024-000`

Property Details

APN / Parcel Number

Primary APN	`004-203-024-000`
Alternative APNs	`004-203-024` `00420324`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,460 sqft Living Area
1st Floor Area	896 sqft

Exterior

Year Built	Built 1952
Effective Year Built	Effective 1952
Architectural Style	Duplex Single
Lot Area	7,841 sqft (0.18 acres)
Garage Type	Carport
Garage Area	198 sqft
Carport	Carport
Carport Area	198 sqft
Total Buildings	2 Buildings

Location & Zoning

Old Parcel Number	004-203-024
Street Address	480 MONROE ST
City	NAPA
State	CA
Zip	94559-3142
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	RT5
Legal Description	LOT 17 VAUGHANS SUB 3R/M67
Legal Subdivision	VAUGHANS SUB
Legal Lot Number	17
Jurisdiction	NAPA CA
Township / Civil Division	NAPA
Census Block Group	2
Census Block	2016
Census Tract	200201

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	4436 LINDA VISTA AVE, NAPA, CA 94558-2589
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Nov 22, 2021
Transfer Doc	0000038540
Record Updated	Oct 29, 2026

December 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	NAPA CA
Recording Date	Dec 22, 2021
Property Address	480 MONROE ST, NAPA, CA 94559-3142
Document Number	0000038540
Map Reference	MB 3 PG 67
Instrument Date	Nov 22, 2021
Instrument	2021-0038540
Transaction Type	Transfer
Record Updated	Jun 7, 2023

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	4436 LINDA VISTA AVE, NAPA, CA 94558-2589

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	$7,371.00 (+2.2%)	$541,214 (+2%) Land $324,729 Building $216,485	$541,214 (+2%) Land $324,729 Building $216,485
2025	$7,212.00 (+2.82%)	$530,603 (+4.04%) Land $318,362 Building $212,241	$530,603 Land $318,362 Building $212,241
2023	$7,014.00 (+0.37%)	$510,000 Land $306,000 Building $204,000
2022	$6,988.00

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
Nearby Flood Claims	1 (2019)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Feb 2019 · Severe Winter Storms, Flooding, Landslides, And Mudslides

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	Not rated no burnable land within 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 695 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20