4445 Jefferson St, Napa, CA 94558 Property Records

Napa County property record for 4445 Jefferson St, Napa, CA 94558

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,500 sqft · built 1971
Lot Size	0.14 acres (6,098 sqft)
Owner	2 Individual Names on File
Last Sale	$725,000 (Apr 2021)
Tax Bill	$9,767 (2026)
Deeds & Mortgages	Apr 2021 Sale & Mortgage Nov 2017 Transfer
Flood Zone	Zone X (minimal risk)
APN	`036-285-009-000`

Property Details

APN / Parcel Number

Primary APN	`036-285-009-000`
Alternative APNs	`036-285-009` `03628509`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Building Area	1,500 sqft Living Area
Gross Area	1,980 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1971
Effective Year Built	Effective 1971
Construction Type	Wood
Lot Area	6,098 sqft (0.14 acres)
Garage Type	Attached
Garage Area	480 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	None
Heating System	Central

Location & Zoning

Old Parcel Number	036-285-009
Street Address	4445 JEFFERSON ST
City	NAPA
State	CA
Zip	94558-1763
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RS5
Legal Description	LOT 318 SPRINGWOOD SUB 5 9R/M67
Legal Subdivision	SPRINGWOOD #5
Legal Lot Number	318
Jurisdiction	NAPA CA
Township / Civil Division	NAPA
Census Block Group	3
Census Block	3029
Census Tract	201200

Owner

4445 Jefferson St is owned and occupied by two individuals who bought it in April 2021.

Source: Napa County records, as of October 21, 2026

Owner of Record	2 Individual Names on File
Mailing Address	4445 JEFFERSON ST, NAPA, CA 94558-1763
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Apr 15, 2021	Grant Deed, Transfer · Conventional Mortgage ARK-LA-TEX FINANCIAL SERVICES LLC
Nov 17, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 15, 2021 · Amount on File
Deed Sale	Apr 15, 2021 · Amount on File
Deed Document Number	202113542
Record Updated	Oct 29, 2026

April 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	NAPA CA
Recording Date	Apr 15, 2021
Property Address	4445 JEFFERSON ST, NAPA, CA 94558-1763
Document Number	0000013542
Map Reference	MB 9 PG 66&67
Instrument Date	Apr 12, 2021
Instrument	2021-0013542
Transaction Type	Transfer
Record Updated	Aug 12, 2021
Title Company	FIRST AMERICAN TITLE, FIRST AMER TTL CO OF NAPA

Transaction

Amount	Amount on Record
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	4445 JEFFERSON ST, NAPA, CA 94558-1763

Mortgage

Document Number	0000013543
Date	Apr 15, 2021
Instrument	2021-0013543

Lender

Name	ARK-LA-TEX FINANCIAL SERVICES LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2051

November 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	NAPA CA
Recording Date	Nov 17, 2017
Property Address	4445 JEFFERSON ST, NAPA, CA 94558-1763
Document Number	0000025678
Instrument Date	Nov 9, 2017
Instrument	25678
Transaction Type	Transfer
Record Updated	Dec 4, 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
Relationship	Revocable Trust
Address	4445 JEFFERSON ST NAPA CA 945581763, NAPA, CA 94558-1763

Tax Assessment & Valuation

The 2026 property tax bill for 4445 Jefferson St was $9,767 with a homeowner's exemption, up 2.1% from the year before.

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	$9,767.00 (+2.14%) Homeowner's exemption	$800,457 (+2%) Land $320,183 Building $480,274	$800,457 (+2%) Land $320,183 Building $480,274
2025	$9,562.00 Homeowner's exemption	$784,762 Land $313,905 Building $470,857	$784,762 Land $313,905 Building $470,857
2023	$9,094.00 (+1.39%) Homeowner's exemption	$754,290 Land $301,716 Building $452,574
2022	$8,969.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 4445 Jefferson St in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 2017.

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
Flood Insurance Cost	Premium on File median of 29 policies
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	29 in force
Nearby Flood Claims	4 (2017–2025)
Claims Outside the SFHA	1 of 4
Most Recent Claim	Feb 2025 · river or lake flooding
Claims by Event	Severe Winter Storms, Flooding, Landslides, And Mudslides, Feb 2019 · 2 claims

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

Wildfire risk around 4445 Jefferson St is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 99.1% of the US · lower than 99.2% 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 422 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	1,200 / 35
Starlink Satellite	280 / 30
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fixed Wireless in parts of the area	100 / 20

May also be available: Verizon.

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