Sonoma County property record for 495 Walnut Ave, Sonoma, CA 95476
| Property Type | Quadplex |
|---|---|
| Details | 4 bd · 3 ba · 3,196 sqft · built 1910 |
| Lot Size | 0.166 acres (7,241 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $5,198 (2025) |
| Deeds & Mortgages | Aug 2021 Transfer Aug 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 052-422-035-000 |
| Primary APN | 052-422-035-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 4 Rooms |
| Stories | 2 Stories |
| Building Area | 3,196 sqft Living Area |
| Gross Area | 3,946 sqft |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | L-Shape |
| Lot Area | 7,241 sqft (0.166 acres) |
| Garage Type | Attached |
| Garage Area | 750 sqft |
| Parking Spaces | 3 Parking Spaces |
| Heating System | Floor/Wall Furnace |
|---|
| Old Parcel Number | 052-422-035 |
|---|---|
| Street Address | 495 WALNUT AVE |
| City | SONOMA |
| State | CA |
| Zip | 95476-6114 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Quadplex |
| Local Zoning Code | R28UA |
| Legal Description | 93FM 52-422-33 CWPT34&PTPT 36 LLA90-254 & 92087740 |
| Legal Subdivision | SUBDIVISION #3 OF THE TOWN OF EL VERANO |
| Legal Block | 4 |
| Legal Lot Number | 1,2 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 4 |
| Census Block | 4008 |
| Census Tract | 150304 |
Source: Sonoma County records, as of September 1, 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 | 250 SAN LUIS RD, SONOMA, CA 95476-8212 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Aug 10, 2021 | Intrafamily Transfer, Transfer FIRST AMER TTL CO OF NAPA |
| Aug 10, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage ADVANTAGEFIRST LENDING INC |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jul 11, 2011 |
| Transfer Doc | 0000059683 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Aug 10, 2021 |
| Property Address | 495 WALNUT AVE, SONOMA, CA 95476-6114 |
| Document Number | 0000090881 |
| Map Reference | MB 21 PG 8 |
| Instrument Date | Aug 5, 2021 |
| Instrument | 2021090881 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Title Company | FIRST AMER TTL CO OF NAPA |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 250 SAN LUIS RD, SONOMA, CA 95476-8212 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Aug 10, 2021 |
| Property Address | 495 WALNUT AVE, SONOMA, CA 95476-6114 |
| Document Number | 0000090879 |
| Map Reference | MB 21 PG 8 |
| Instrument Date | Jul 23, 2021 |
| Instrument | 2021090879 |
| Transaction Type | Transfer |
| Record Updated | Aug 26, 2021 |
| Title Company | AMERICAN TITLE COMPANY-DP, AMERICAN TITLE CO OF NAPA |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 250 SAN LUIS RD, SONOMA, CA 95476-8212 |
| Document Number | 0000090880 |
|---|---|
| Date | Aug 10, 2021 |
| Instrument | 2021090880 |
| Name | ADVANTAGEFIRST LENDING INC |
|---|---|
| Type | Lending Institution |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 1, 2051 |
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 | $206,370 (+2%) Land $58,113 Building $148,257 | |
| 2025 | $5,198.00 (+12.49%) | $202,324 (+4.04%) Land $56,974 Building $145,350 |
| 2023 | $4,621.00 (+11.65%) | $194,468 Land $54,762 Building $139,706 |
| 2022 | $4,139.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 | 6 in force |
| Nearby Flood Claims | 5 (1986–2019) |
| Claims Outside the SFHA | 5 of 5 |
| Most Recent Claim | Jan 2019 · river or lake flooding |
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.
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.
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 247 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 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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