Sonoma County property record for 23 Ahlstrom Dr, Cotati, CA 94931
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,377 sqft · built 1987 |
| Lot Size | 0.127 acres (5,526 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $265,000 (Oct 2013) |
| Tax Bill | $3,625 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 144-680-034-000 |
| Primary APN | 144-680-034-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 2 Stories |
| Building Area | 1,377 sqft Living Area |
| Gross Area | 1,773 sqft |
| 1st Floor Area | 882 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 5,526 sqft (0.127 acres) |
| Garage Type | Attached |
| Garage Area | 396 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 144-680-034 |
|---|---|
| Street Address | 23 AHLSTROM DR |
| City | COTATI |
| State | CA |
| Zip | 94931-5163 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYCO |
| Legal Description | LAGUNA ESTATES LOT 34 |
| Legal Subdivision | LAGUNA ESTATE |
| Legal Block | 2 |
| Legal Lot Number | 34 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 151204 |
Source: Sonoma County records, as of May 6, 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 Record |
|---|---|
| Mailing Address | 23 AHLSTROM DR, COTATI, CA 94931-5163 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 9, 2013 · Amount on Record |
| Deed Sale | Oct 9, 2013 · Amount on Record |
| Prior Sale | Jun 30, 1997 · Amount on Record |
| Deed Document Number | 2013100079 |
| Prior Transfer Date | Apr 13, 2012 |
| Prior Transfer Doc | 0000077956 |
| Record Updated | Jun 8, 2026 |
Source: Sonoma County assessment roll, as of April 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Cotati City |
| Unified School District | Cotati-Rohnert Park Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $3,625.00 (+3.16%) Homeowner's exemption | $284,197 (+4.04%) Land $127,727 Building $156,470 |
| 2023 | $3,514.00 (+1.86%) Homeowner's exemption | $273,163 Land $122,768 Building $150,395 |
| 2022 | $3,450.00 |
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 AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 26 policies |
| Nearby Flood Policies | 26 in force |
| Nearby Flood Claims | 1 (2012) |
| Most Recent Claim | Dec 2012 · tidal / storm surge |
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 99.8% of the US · lower than 99.8% of California |
|---|---|
| Wildfire Likelihood | Under 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 | CITY OF COTATI serves 7,290 people · EPA ID CA4910016 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2024 |
| 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 553 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 |
May also be available: AT&T.
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