Sonoma County property record for 4140 Old Adobe Rd, Petaluma, CA 94954
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,772 sqft · built 1979 |
| Lot Size | 31.9 acres (1,393,048 sqft) |
| Owner | Trust Name on File |
| Last Sale | $1,375,000 (Jun 2005) |
| Tax Bill | $22,149 (2025) |
| Deeds & Mortgages | Mar 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 017-120-016-000 |
| Primary APN | 017-120-016-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 2,772 sqft Living Area |
| 1st Floor Area | 2,772 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 1,393,048 sqft |
| Garage Area | 720 sqft |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 017-120-016 |
|---|---|
| Street Address | 4140 OLD ADOBE RD |
| City | PETALUMA |
| State | CA |
| Zip | 94954-9539 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LEA60 |
| Legal Description | 76 FORM 17-120-14 & PT TO 17 18 & 19 PM 4634 |
| Legal Subdivision | PETALUMA RANCHO |
| Legal Block | 3 |
| Legal Lot Number | 4 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 3 |
| Census Block | 3029 |
| Census Tract | 150612 |
4140 Old Adobe Rd is held in a trust since July 2009.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 4140 OLD ADOBE RD, PETALUMA, CA 94954-9539 |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 2, 2005 · Amount on File |
| Deed Sale | Jun 2, 2005 · Amount on File |
| Prior Sale | Jul 22, 2003 · Amount on File |
| Deed Document Number | 200576961 |
| Last Transfer Date | Jul 23, 2009 |
| Transfer Doc | 0000074019 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Mar 4, 2022 |
| Property Address | 4140 OLD ADOBE RD, PETALUMA, CA 94954-9539 |
| Document Number | 0000016254 |
| Map Reference | MB 223 PG 30 |
| Instrument Date | Sep 30, 2021 |
| Instrument | 2022016254 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 4140 OLD ADOBE RD, PETALUMA, CA 94954-9539 |
The 2025 property tax bill for 4140 Old Adobe Rd was $22,149.
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Elementary School District | Old Adobe Union Elementary School District (KG - 06) |
| Secondary School District | Petaluma Joint Union High School District (07 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,954,954 (+2%) Land $1,151,646 Building $803,308 | |
| 2025 | $22,149.00 | $1,916,622 Land $1,129,065 Building $787,557 |
| 2023 | $20,814.00 (+0.54%) | $1,842,199 Land $1,085,223 Building $756,976 |
| 2022 | $20,703.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4140 Old Adobe Rd 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 | 5 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 4140 Old Adobe Rd is high, ranking above 78% of the US, with a 0.5% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 78% of the US · above 55% of California |
|---|---|
| Wildfire Likelihood | 0.5% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 4 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 25 / 3 |
| AT&T Fixed Wireless | 25 / 3 |
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