5185 Big Ranch Rd, Napa, CA 94558 Property Records

Napa County property record for 5185 Big Ranch Rd, Napa, CA 94558

Property Summary

Property Type	Vineyard
Details	3 bd · 4 ba · 3,641 sqft · built 1906
Lot Size	7.71 acres (336,283 sqft)
Owner	Trust Name on File
Last Sale	$5,875,000 (Apr 2021)
Tax Bill	$54,454 (2026)
Deeds & Mortgages	Jun 2021 Mortgage Apr 2021 Sale
Flood Zone	Zone X (minimal risk)
APN	`036-150-025-000`

Property Details

APN / Parcel Number

Primary APN	`036-150-025-000`
Alternative APNs	`036-150-025` `03615025`

Interior

Bedrooms	3 Beds
Full Baths	4 Baths
Total Rooms	7 Rooms
Building Area	3,641 sqft Gross Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1906
Effective Year Built	Effective 1995
Construction Type	Wood
Lot Area	336,283 sqft
Garage Type	Attached
Garage Area	400 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	None
Heating System	Central

Location & Zoning

Old Parcel Number	036-150-025
Street Address	5185 BIG RANCH RD
City	NAPA
State	CA
Zip	94558-1002
Property Category	Agriculture or Farming
Property Type	Agriculture / Farming > Vineyard
Local Zoning Code	AP
Legal Description	22R/S54
Legal Subdivision	NAPA RANCHO
Jurisdiction	NAPA CA
Township / Civil Division	NAPA
Census Block Group	3
Census Block	3000
Census Tract	201200

Owner

5185 Big Ranch Rd, an agricultural property, is owner-occupied and held in a trust since April 2021.

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

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

Owner of Record	Trust Name on File
Mailing Address	5185 BIG RANCH RD, NAPA, CA 94558-1002
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jun 23, 2021	Deed of Trust, Mortgage · Conventional Mortgage UBS BANK USA
Apr 26, 2021	Grant Deed, Transfer OLD REPUBLIC TITLE COMPANY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 26, 2021 · Amount on File
Deed Sale	Apr 26, 2021 · Amount on File
Prior Sale	Apr 4, 2000 · Amount on File
Deed Document Number	202114658
Prior Transfer Date	Jun 7, 2001
Prior Transfer Doc	0000036746
Record Updated	Oct 29, 2026

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	NAPA CA
Property Address	5185 BIG RANCH RD, NAPA, CA 94558-1002
Transaction Type	Mortgage
Record Updated	Jul 2, 2021
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1392 SILVERADO TRL S, SAINT HELENA, CA 94574-9799

Mortgage

Document Number	0000021166
Date	Jun 23, 2021
Instrument	2021-0021166

Lender

Name	UBS BANK USA
Type	Bank
Address	SALT LAKE CITY, UT 84111

Agreement

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

Interest

Rate Type	Adjustable Rate
Rate	2.5%
Type Change Date	Jul 1, 2036
Change Frequency	6 Months
Min Rate At Change	3%
Max Rate At Change	7.5%
Index	Other
Margin	3
Max Rate	12.5%

April 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	NAPA CA
Recording Date	Apr 26, 2021
Property Address	5185 BIG RANCH RD, NAPA, CA 94558-1002
Document Number	0000014658
Instrument Date	Apr 23, 2021
Instrument	2021-0014658
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount 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	5185 BIG RANCH RD, NAPA, CA 94558-1002

Tax Assessment & Valuation

The 2026 property tax bill for 5185 Big Ranch Rd was $54,454 with a homeowner's exemption, up 2.6% from the year before.

Source: Napa County assessment roll, as of October 21, 2026

Property Jurisdictions

Type	Name
State	California
County	Napa County
Unified School District	Napa Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$54,454.00 (+2.56%) Homeowner's exemption	$4,856,770 (+2%) Land $2,872,040 Building $1,984,730	$4,856,770 Land $2,872,040 Building $1,984,730
2025	$53,095.00 Homeowner's exemption	$4,761,541 Land $2,815,726 Building $1,945,815
2023	$49,968.00 (+2.36%) Homeowner's exemption	$4,548,648 Land $2,706,389 Building $1,842,259
2022	$48,814.00

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

Flood

FEMA maps place 5185 Big Ranch Rd 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 5185 Big Ranch Rd is low, with 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 80% of the US · lower than 88% of California
Wildfire Likelihood	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 6 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Valley Internet Fixed Wireless	300 / 150

May also be available: AT&T.

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