Sonoma County property record for 900 Richardson Ln, Cotati, CA 94931
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,032 sqft · built 1920 |
| Lot Size | 5.9 acres (257,004 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $850,000 (Jun 2021) |
| Tax Bill | $18,583 (2025) |
| Deeds & Mortgages | Jun 2021 Sale & Mortgage Aug 2017 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 046-103-059-000 |
| Primary APN | 046-103-059-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 3 Rooms |
| Stories | 2 Stories |
| Building Area | 1,032 sqft Living Area |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1931 |
| Architectural Style | Custom Design |
| Lot Area | 257,004 sqft |
| Old Parcel Number | 046-103-059 |
|---|---|
| Street Address | 900 RICHARDSON LN |
| City | COTATI |
| State | CA |
| Zip | 94931-4145 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 2004 FM PT 046-103-037 PM MNS 00-0016 REM |
| Legal Subdivision | COTATI OAKS |
| Legal Block | 2 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 151206 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 4750 BRADFORD CT, SANTA ROSA, CA 95405-7940 |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jun 10, 2021 | Grant Deed, Transfer · Conventional Mortgage FAIRWAY INDEPENDENT MORTGAGE CORP |
| Aug 10, 2017 | Quit Claim Deed, Transfer Quitclaim |
| Aug 10, 2017 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 10, 2021 · Amount on Record |
| Deed Sale | Jun 10, 2021 · Amount on Record |
| Prior Sale | May 21, 2013 · Amount on Record |
| Deed Document Number | 202168810 |
| Prior Transfer Date | Jul 17, 2009 |
| Prior Transfer Doc | 0000071582 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jun 10, 2021 |
| Property Address | 900 RICHARDSON LN, COTATI, CA 94931-4145 |
| Document Number | 0000068810 |
| Map Reference | MB 656 PG 4-6 |
| Instrument Date | Jun 9, 2021 |
| Instrument | 2021068810 |
| Transaction Type | Transfer |
| Record Updated | Jun 30, 2021 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $935.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 900 RICHARDSON LN, COTATI, CA 94931-4145 |
| Document Number | 0000068811 |
|---|---|
| Date | Jun 10, 2021 |
| Instrument | 2021068811 |
| Name | FAIRWAY INDEPENDENT MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 1, 2051 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Aug 10, 2017 |
| Property Address | 900 RICHARDSON LN, COTATI, CA 94931-4145 |
| Document Number | 0000062099 |
| Instrument Date | Aug 1, 2017 |
| Instrument | 62099 |
| Transaction Type | Transfer |
| Record Updated | Jan 3, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | PO BOX 462 COTATI CA 949310462, COTATI, CA 94931-0462 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Aug 10, 2017 |
| Property Address | 900 RICHARDSON LN, COTATI, CA 94931-4145 |
| Document Number | 0000062100 |
| Instrument Date | Aug 1, 2017 |
| Instrument | 62100 |
| Transaction Type | Transfer |
| Record Updated | Sep 29, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | PO BOX 462 COTATI CA 949310462, COTATI, CA 94931-0462 |
| Investor | Possibly a Property Investor |
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Unified School District | Cotati-Rohnert Park Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $938,466 (+2%) Land $375,386 Building $563,080 | |
| 2025 | $18,583.00 (+1.74%) | $920,066 (+4.04%) Land $368,026 Building $552,040 |
| 2023 | $18,265.00 (+1.03%) | $884,340 Land $353,736 Building $530,604 |
| 2022 | $18,078.00 |
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 57% of the US · lower than 66% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Direct burnable vegetation |
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 45 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 |
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