Sonoma County property record for 8175 Arthur St, Cotati, CA 94931 · Last verified August 2026
| Property Type | Quadplex |
|---|---|
| Details | 2 bd · 1 ba · 3,200 sqft · built 1972 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,050,000 (Jan 2020) |
| Tax Bill | $13,596 (2025) |
| Deeds & Mortgages | Feb 2020 Transfer Jan 2020 Sale & Mortgage + 2 more |
| Flood Zone | Zone AE (high risk) |
| APN | 144-273-013-000 |
| Primary APN | 144-273-013-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 12 Rooms |
| Units | 4 Units |
| Stories | 2 Stories |
| Building Area | 3,200 sqft Living Area |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 7,500 sqft (0.172 acres) |
| Garage Type | Carport |
| Garage Area | 714 sqft |
| Carport | Carport |
| Carport Area | 714 sqft |
| Parking Spaces | 2 Parking Spaces |
| Pool Type | Pool with Hot Tub/Spa |
| Cooling System | None |
|---|
| Old Parcel Number | 144-273-013 |
|---|---|
| Street Address | 8175 ARTHUR ST |
| City | COTATI |
| State | CA |
| Zip | 94931-4238 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Quadplex |
| Legal Description | 1972 FORM 144-273-05 PT TO 14 OR 2579-207 |
| Legal Subdivision | SUBDIVISION #6 RANCHO COTATI |
| Legal Block | 2 |
| Legal Lot Number | 2 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 151204 |
Source: Sonoma County records · APN 144-273-013-000
Assessment roll updated April 13, 2026 · Last verified August 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 | 24 ANTON WAY, NOVATO, CA 94945-2702 |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Feb 28, 2020 | Quit Claim Deed, Transfer FIRST AMERICAN TITLE |
| Jan 14, 2020 | Grant Deed, Transfer · Conventional Mortgage AMERICAN PACIFIC MORTGAGE CORP |
| Jul 23, 2019 | Affidavit of Death, Transfer ATTORNEY ONLY |
| Aug 10, 2017 | Intrafamily Transfer, Transfer · Conventional Mortgage AMERICAN PACIFIC MORTGAGE |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jan 14, 2020 · Amount on Record |
| Deed Sale | Jan 14, 2020 · Amount on Record |
| Deed Document Number | 20202927 |
| Prior Transfer Date | Mar 31, 1995 |
| Prior Transfer Doc | 0000029209 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Feb 28, 2020 |
| Property Address | 8175 ARTHUR ST, COTATI, CA 94931-4238 |
| Document Number | 0000015256 |
| Instrument Date | Feb 26, 2020 |
| Instrument | 15256 |
| Transaction Type | Transfer |
| Record Updated | Mar 18, 2020 |
| Title Company | FIRST AMERICAN TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 24 ANTON WAY NOVATO CA 949452702, NOVATO, CA 94945-2702 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jan 14, 2020 |
| Property Address | 8175 ARTHUR ST, COTATI, CA 94931-4238 |
| Document Number | 0000002927 |
| Map Reference | MB 10 PG 8 |
| Instrument Date | Dec 30, 2019 |
| Instrument | 2020002927 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,155.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 24 ANTON WAY, NOVATO, CA 94945-2702 |
| Document Number | 0000002928 |
|---|---|
| Date | Jan 14, 2020 |
| Instrument | 2020002928 |
| Name | AMERICAN PACIFIC MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 01, 2050 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jul 23, 2019 |
| Property Address | 8175 ARTHUR ST, COTATI, CA 94931-4238 |
| Document Number | 0000050331 |
| Instrument Date | Jul 18, 2019 |
| Instrument | 50331 |
| Transaction Type | Transfer |
| Record Updated | Aug 08, 2019 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 65 RODEO AVE #23 SAUSALITO CA 949656502, 23, SAUSALITO, CA 94965-6502 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Aug 10, 2017 |
| Property Address | 8175 ARTHUR ST, COTATI, CA 94931-4238 |
| Document Number | 0000061748 |
| Map Reference | MAP10 PG8 |
| Instrument Date | Aug 07, 2017 |
| Instrument | 2017061748 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 65 RODEO AVE APT 23, 23, SAUSALITO, CA 94965-6502 |
| Document Number | 0000061749 |
|---|---|
| Date | Aug 10, 2017 |
| Instrument | 2017061749 |
| Name | AMERICAN PACIFIC MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2047 |
Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Cotati City |
| Unified School District | Cotati-Rohnert Park 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 | $13,596.00 (+2.91%) | $1,148,325 (+4.04%) Land $218,727 Building $929,598 |
| 2023 | $13,211.00 (+1.75%) | $1,103,736 Land $210,235 Building $893,501 |
| 2022 | $12,984.00 |
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 AE |
|---|---|
| Flood Hazard | High |
| 100-Year Floodplain | Yes 1% annual chance |
| Special Flood Hazard Area | Yes |
| Flood Insurance Requirement | Required (federally backed mortgages) |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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