190 Mountain Ave, Sonoma, CA 95476 Property Records

Sonoma County property record for 190 Mountain Ave, Sonoma, CA 95476

Property Summary

Property Type	Residential Vacant Land
Details	built 1976
Lot Size	0.17 acres (7,400 sqft)
Owner	2 Company Names on File
Last Sale	$450,000 (Aug 2017)
Tax Bill	$2,960 (2025)
Deeds & Mortgages	Aug 2017 Sale
Flood Zone	Zone X (minimal risk)
APN	`056-321-032-000`

Property Details

APN / Parcel Number

Primary APN	`056-321-032-000`
Alternative APN	`056-321-032`

Exterior

Year Built	Built 1976
Effective Year Built	Effective 1976
Lot Area	7,400 sqft (0.17 acres)
Garage Type	Detached
Garage Area	216 sqft

Utilities, Heating & Cooling

Cooling System	None

Location & Zoning

Old Parcel Number	056-321-032
Street Address	190 MOUNTAIN AVE
City	SONOMA
State	CA
Zip	95476
Property Category	Residential
Property Type	Vacant Land > Residential
Local Zoning Code	R15UA
Legal Subdivision	AGUA CALIENTE PARK SUBDIVISION #2
Legal Block	2
Jurisdiction	SONOMA CA
Township / Civil Division	SONOMA
Census Block Group	2
Census Block	2003
Census Tract	150306

Owner

190 Mountain Ave, residential vacant land, is owned by a company that acquired it in December 2024.

Source: Sonoma County records, as of September 1, 2026

Owner of Record	2 Company Names on File
Mailing Address	101 LOMBARD ST, 16, SAN FRANCISCO, CA 94111-1152
Owner Type	Company
Vesting	Life Tenant

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

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 16, 2017 · Amount on File
Deed Sale	Aug 16, 2017 · Amount on File
Deed Document Number	201763693
Last Transfer Date	Dec 3, 2024
Transfer Doc	0000002608
Record Updated	Oct 29, 2026

August 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Aug 16, 2017
Property Address	190 MOUNTAIN AVE, SONOMA, CA 95476
Document Number	0000063693
Instrument Date	Jul 20, 2017
Instrument	63693
Transaction Type	Transfer
Record Updated	Sep 7, 2017
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount on Record
Tax	$495.00
Amount Accuracy	Full Value
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	101 LOMBARD ST #16E SAN FRANCISCO CA 941111152, 16E, SAN FRANCISCO, CA 94111-1152

Tax Assessment & Valuation

The 2025 property tax bill for 190 Mountain Ave was $2,960.

Source: Sonoma County assessment roll, as of September 1, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$232,110 (+2%) Land $229,213 Building $2,897
2025	$2,960.00	$227,560 Land $224,719 Building $2,841
2023	$2,855.00 (+1.46%)	$218,726 Land $215,994 Building $2,732
2022	$2,814.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 190 Mountain Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective February 15, 2026 · 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 10 (0% premium discount)
Nearby Flood Policies	2 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

Wildfire risk around 190 Mountain Ave is low, with a 0.04% annual chance of wildfire.

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

Wildfire Risk	Low lower than 66% of the US · lower than 80% of California
Wildfire Likelihood	0.04% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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	VALLEY OF THE MOON WATER DISTRICT serves 23,140 people · EPA ID CA4910013
Water Source	Groundwater
Last State Inspection	Sep 2022
Lead	Under 1 ppb (2024–2026) 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 444 locations within half a mile, as of December 31, 2025

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