Sonoma County property record for 889 Richardson Ln, Cotati, CA 94931
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,115 sqft · built 1952 |
| Lot Size | 4.04 acres (175,982 sqft) |
| Owner | Company on Record |
| Tax Bill | $1,883 (2025) |
| Deeds & Mortgages | Nov 2018 Transfer Nov 2018 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 144-120-017-000 |
| Primary APN | 144-120-017-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 1,115 sqft Living Area |
| Gross Area | 2,075 sqft |
| 1st Floor Area | 1,115 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1953 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 175,982 sqft (4.04 acres) |
| Garage Type | Attached |
| Garage Area | 960 sqft |
| Parking Spaces | 4 Parking Spaces |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 144-120-017 |
|---|---|
| Street Address | 889 RICHARDSON LN |
| City | COTATI |
| State | CA |
| Zip | 94931-4115 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYCO |
| Legal Description | 74 FORM PT OF 144-120-10 PER MAP DEPT |
| Legal Block | 2 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 151206 |
Source: Sonoma County assessment roll, as of April 13, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company on Record |
|---|---|
| Mailing Address | 889 RICHARDSON LN, COTATI, CA 94931-4115 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Nov 21, 2018 | Quit Claim Deed, Transfer Quitclaim |
| Nov 21, 2018 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Nov 21, 2018 |
| Transfer Doc | 0000080347 |
| Record Updated | Jun 8, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Nov 21, 2018 |
| Property Address | 889 RICHARDSON LN, COTATI, CA 94931-4115 |
| Document Number | 0000080346 |
| Instrument Date | Nov 21, 2018 |
| Instrument | 80346 |
| Transaction Type | Transfer |
| Record Updated | Dec 11, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 889 RICHARDSON LN COTATI CA 949314115, COTATI, CA 94931-4115 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Nov 21, 2018 |
| Property Address | 889 RICHARDSON LN, COTATI, CA 94931-4115 |
| Document Number | 0000080347 |
| Instrument Date | Nov 21, 2018 |
| Instrument | 80347 |
| Transaction Type | Transfer |
| Record Updated | Dec 11, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 889 RICHARDSON LN COTATI CA 949314115, COTATI, CA 94931-4115 |
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 | $1,883.00 (+3.52%) Homeowner's exemption | $129,001 (+4.04%) Land $58,820 Building $70,181 |
| 2023 | $1,819.00 (+1.96%) Homeowner's exemption | $123,993 Land $56,537 Building $67,456 |
| 2022 | $1,784.00 |
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 |
| Nearby Flood Policies | 1 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 47% of the US · lower than 72% of California |
|---|---|
| Wildfire Likelihood | 0.1% 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 154 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 |
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