Sonoma County property record for 185 Mountain Ave, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,092 sqft · built 1979 |
| Lot Size | 0.141 acres (6,150 sqft) |
| Owner | Individual Name on File |
| Last Sale | $515,000 (May 2017) |
| Tax Bill | $8,457 (2025) |
| Deeds & Mortgages | Apr 2022 Transfer Dec 2020 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 056-261-003-000 |
| Primary APN | 056-261-003-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 1,092 sqft Living Area |
| 1st Floor Area | 1,092 sqft |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 6,150 sqft (0.141 acres) |
| Garage Area | 312 sqft |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 056-261-003 |
|---|---|
| Street Address | 185 MOUNTAIN AVE |
| City | SONOMA |
| State | CA |
| Zip | 95476-3438 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R15UA |
| Legal Subdivision | AGUA CALIENTE PARK SUB 2 |
| Legal Block | 3 |
| Legal Lot Number | 2 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 150306 |
185 Mountain Ave is owned and occupied by an individual who acquired it in April 2022.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 185 MOUNTAIN AVE, SONOMA, CA 95476-3438 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Apr 22, 2022 | Intrafamily Transfer, Transfer FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Dec 29, 2020 | Deed of Trust, Mortgage · Conventional Mortgage SYNERGY ONE LENDING |
| Nov 26, 2018 | Deed of Trust, Mortgage · Line of Credit US BANK NA |
| May 16, 2017 | Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 16, 2017 · Amount on File |
| Deed Sale | May 16, 2017 · Amount on File |
| Prior Sale | Apr 6, 2015 · Amount on File |
| Deed Document Number | 201738331 |
| Last Transfer Date | Apr 14, 2022 |
| Transfer Doc | 0000029208 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Apr 22, 2022 |
| Property Address | 185 MOUNTAIN AVE, SONOMA, CA 95476-3438 |
| Document Number | 0000029208 |
| Map Reference | MB 23 PG 21 |
| Instrument Date | Apr 14, 2022 |
| Instrument | 2022029208 |
| Transaction Type | Transfer |
| Record Updated | May 5, 2022 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 185 MOUNTAIN AVE, SONOMA, CA 95476-3438 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 185 MOUNTAIN AVE, SONOMA, CA 95476-3438 |
| Transaction Type | Mortgage |
| Record Updated | Jan 17, 2022 |
| Title Company | OLD REPUBLIC TITLE CO |
| Name | Verified Name |
|---|---|
| Address | 185 MOUNTAIN AVE, SONOMA, CA 95476-3438 |
| Document Number | 0000125101 |
|---|---|
| Date | Dec 29, 2020 |
| Instrument | 2020125101 |
| Name | SYNERGY ONE LENDING |
|---|---|
| Type | Mortgage Company |
| Address | SAN DIEGO, CA 92108 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jan 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 185 MOUNTAIN AVE, SONOMA, CA 95476-3438 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | SOLIDIFI US INC |
| Name | Verified Name |
|---|
| Document Number | 0000080414 |
|---|---|
| Date | Nov 26, 2018 |
| Instrument | 2018080414 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | OSHKOSH, WI 54902 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Nov 6, 2048 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | May 16, 2017 |
| Property Address | 185 MOUNTAIN AVE, SONOMA, CA 95476-3438 |
| Document Number | 0000038331 |
| Map Reference | MB23 PG21 |
| Instrument Date | May 10, 2017 |
| Instrument | 2017038331 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 185 MOUNTAIN AVE, SONOMA, CA 95476-3438 |
| Document Number | 0000038332 |
|---|---|
| Date | May 16, 2017 |
| Instrument | 2017038332 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jun 1, 2047 |
The 2025 property tax bill for 185 Mountain Ave was $8,457 with a homeowner's exemption.
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Unified School District | Sonoma Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $609,648 (+2%) Land $343,298 Building $266,350 | |
| 2025 | $8,457.00 Homeowner's exemption | $597,695 Land $336,567 Building $261,128 |
| 2023 | $8,007.00 (+3.13%) Homeowner's exemption | $574,488 Land $323,499 Building $250,989 |
| 2022 | $7,764.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 185 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 risk around 185 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.
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 |
| 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.
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 |
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