Sonoma County property record for 18451 3rd Ave, Sonoma, CA 95476 · Last verified May 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,001 sqft · built 1951 |
| Lot Size | 0.126 acres (5,500 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $270,000 (Jan 2010) |
| Tax Bill | $5,513 (2025) |
| Deeds & Mortgages | Dec 2025 Line of Credit Feb 2018 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 056-471-010-000 |
| Primary APN | 056-471-010-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 1,001 sqft Living Area |
| Gross Area | 1,243 sqft |
| 1st Floor Area | 1,001 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1992 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,500 sqft (0.126 acres) |
| Garage Type | Attached |
| Garage Area | 242 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | Floor/Wall Furnace |
| Old Parcel Number | 056-471-010 |
|---|---|
| Street Address | 18451 3RD AVE |
| City | SONOMA |
| State | CA |
| Zip | 95476-3987 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 10 BLK 7 SUB B BOYES SPRINGS PARK |
| Legal Subdivision | SUBDIVISION B OF BOYES SPRINGS PARK |
| Legal Block | 7 |
| Legal Lot Number | 10 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 1 |
| Census Block | 1020 |
| Census Tract | 150306 |
Source: Sonoma County records · APN 056-471-010-000
Assessment roll updated April 13, 2026 · Last verified May 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 18451 3RD AVE, SONOMA, CA 95476-3987 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Dec 12, 2025 | Deed of Trust, Mortgage · Line of Credit PATELCO CU |
| Feb 08, 2018 | Deed of Trust, Mortgage · Conventional Mortgage FREMONT BANK |
| Aug 07, 2020 | Intrafamily Transfer, Transfer · Conventional Mortgage FREMONT BANK |
| Aug 07, 2020 | Quit Claim Deed, Transfer FIDELITY NATIONAL TITLE |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jan 25, 2010 · Amount on Record |
| Deed Sale | Jan 25, 2010 · Amount on Record |
| Prior Sale | May 05, 2006 · Amount on Record |
| Deed Document Number | 20105869 |
| Last Transfer Date | Jul 08, 2020 |
| Transfer Doc | 0000066577 |
| Record Updated | Jun 08, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 18451 3RD AVE, SONOMA, CA 95476-3987 |
| Transaction Type | Mortgage |
| Record Updated | Dec 22, 2025 |
| Title Company | ACCOMODATION, ACCOMMODATION |
| Name | Verified Name |
|---|---|
| Address | 18451 3RD AVE, SONOMA, CA 95476-3987 |
| Document Number | 0000063359 |
|---|---|
| Date | Dec 12, 2025 |
| Instrument | 2025063359 |
| Name | PATELCO CU |
|---|---|
| Type | Credit Union |
| Address | DUBLIN, CA 94568 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 300 Months |
| Due | Dec 02, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 18451 3RD AVE, SONOMA, CA 95476-3987 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | FIRST AMERICAN TITLE CO |
| Name | Verified Name |
|---|
| Document Number | 0000008996 |
|---|---|
| Date | Feb 08, 2018 |
| Instrument | 2018008996 |
| Name | FREMONT BANK |
|---|---|
| Type | Bank |
| Address | LIVERMORE, CA 94551 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 01, 2048 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Aug 07, 2020 |
| Property Address | 18451 3RD AVE, SONOMA, CA 95476-3987 |
| Document Number | 0000066578 |
| Map Reference | MB 35 PG 7&8 |
| Instrument Date | Jul 08, 2020 |
| Instrument | 2020066578 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | FIDELITY NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 18451 3RD AVE, SONOMA, CA 95476-3987 |
| Document Number | 0000066579 |
|---|---|
| Date | Aug 07, 2020 |
| Instrument | 2020066579 |
| Name | FREMONT BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2050 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Aug 07, 2020 |
| Property Address | 18451 3RD AVE, SONOMA, CA 95476-3987 |
| Document Number | 0000066577 |
| Instrument Date | Jul 08, 2020 |
| Instrument | 66577 |
| Transaction Type | Transfer |
| Record Updated | Aug 27, 2020 |
| Title Company | FIDELITY NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 18451 3RD AVE SONOMA CA 954763987, SONOMA, CA 95476-3987 |
Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified May 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Unified School District | Sonoma Valley Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $5,513.00 (+5.53%) Homeowner's exemption | $348,507 (+4.04%) Land $129,073 Building $219,434 |
| 2023 | $5,224.00 (+2.47%) Homeowner's exemption | $334,976 Land $124,062 Building $210,914 |
| 2022 | $5,098.00 |
Source: FEMA National Flood Hazard Layer, Sonoma County (06097C), updated February 15, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Wildfire Risk | Low above 20% of the US · above 11% of California |
|---|---|
| Wildfire Likelihood | About 1 in 4,348 per year |
| Exposure | Indirect within ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 718 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
| AT&T | DSL | 100 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: T-Mobile USA, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
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