Sonoma County property record for 79 William St, Apt B, Cotati, CA 94931 · Last verified August 2026
| Property Type | Residential > Condominium / Townhouse > Condominium |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 1.5 Baths |
| Year Built | Built 1980 |
| Square Footage | 1,250 sqft Living Area |
| Lot Size | 1 sqft (0.014 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $460,000 (2026) |
| Tax Bill | $4,925.00 (2025) |
| Primary APN | 144-560-005-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 2 Rooms |
| Building Area | 1,250 sqft Living Area |
| 1st Floor | 600 sqft 1st Floor |
| Stories | 2 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Custom Design Style |
| Construction Type | Wood Construction |
| Lot Area | 1 sqft (0.014 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Carport Garage |
| Garage Area | 200 sqft Garage |
| Carport | Carport |
| Carport Area | 200 sqft Carport |
| Cooling System | HVAC Cooling |
|---|
| Old Parcel Number | 144-560-005 |
|---|---|
| Street Address | 79 WILLIAM ST, B |
| City | COTATI |
| State | CA |
| Zip | 94931-5211 |
| Property Usage | Residential Property Usage |
| Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | UNIT 5, WILLIAM STREET CONDOMINIUMS |
| Legal Subdivision | WILLIAM STREET CONDOMINIUM |
| Legal Block | 3 |
| Jurisdiction | SONOMA CA |
| Minor Civil Division | PETALUMA |
| Census Blockgroup | 3 |
| Census Block | 3002 |
| Census Tract | 151204 |
Source: Sonoma County records · APN 144-560-005-000
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 | 79 WILLIAM ST, B, COTATI, CA 94931-5211 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Nov 29, 2021 | Deed of Trust, Mortgage · Line of Credit REDWOOD CU |
| Mar 02, 2026 | Grant Deed, Transfer · Conventional Mortgage REDWOOD CU |
| Mar 28, 2024 | Intrafamily Transfer, Transfer |
| Aug 10, 2017 | Grant Deed, Transfer · Conventional Mortgage SUMMIT FUNDING INC |
| Jul 27, 2017 | Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPANY |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 02, 2026 · Amount on Record |
| Deed Sale | Mar 02, 2026 · Amount on Record |
| Prior Sale | Aug 10, 2017 · Amount on Record |
| Deed Doc Number | 20269823 |
| Prior Transfer Date | Jan 31, 2024 |
| Prior Transfer Doc | 0000013238 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 79 WILLIAM ST APT B, B, COTATI, CA 94931-5211 |
| Transaction Type | Mortgage |
| Record Updated | Apr 24, 2026 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 79 WILLIAM ST B, B, COTATI, CA 94931-5211 |
| Document Number | 0000127208 |
|---|---|
| Date | Nov 29, 2021 |
| Instrument | 2021127208 |
| Name | REDWOOD CU |
|---|---|
| Type | Credit Union |
| Address | SANTA ROSA, CA 95403 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 15, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Mar 02, 2026 |
| Property Address | 79 WILLIAM ST APT B, B, COTATI, CA 94931-5211 |
| Document Number | 0000009823 |
| Map Reference | DOC 80-36555 |
| Instrument Date | Feb 26, 2026 |
| Instrument | 2026009823 |
| Transaction Type | Transfer |
| Record Updated | Apr 24, 2026 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $506.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 79 WILLIAM ST APT B, B, COTATI, CA 94931-5211 |
| Document Number | 0000009824 |
|---|---|
| Date | Mar 02, 2026 |
| Instrument | 2026009824 |
| Name | REDWOOD CU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 01, 2056 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Mar 28, 2024 |
| Property Address | 79 WILLIAM ST APT B, B, COTATI, CA 94931-5211 |
| Document Number | 0000013238 |
| Map Reference | DOC 80-36555 |
| Instrument Date | Jan 31, 2024 |
| Instrument | 2024013238 |
| Transaction Type | Transfer |
| Record Updated | Apr 15, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 79 WILLIAM ST APT B, B, COTATI, CA 94931-5211 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Aug 10, 2017 |
| Property Address | 79 WILLIAM ST APT B, B, COTATI, CA 94931-5211 |
| Document Number | 0000062116 |
| Map Reference | DOC80-36555 |
| Instrument Date | Aug 02, 2017 |
| Instrument | 2017062116 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 79 WILLIAM ST APT B, B, COTATI, CA 94931-5211 |
| Document Number | 0000062117 |
|---|---|
| Date | Aug 10, 2017 |
| Instrument | 2017062117 |
| Name | SUMMIT FUNDING INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2047 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jul 27, 2017 |
| Property Address | 79 WILLIAM ST APT B, B, COTATI, CA 94931-5211 |
| Document Number | 0000057949 |
| Instrument Date | Jul 25, 2017 |
| Instrument | 57949 |
| Transaction Type | Transfer |
| Record Updated | Aug 11, 2017 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 79 WILLIAM ST #B COTATI CA 949315211, B, COTATI, CA 94931-5211 |
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 | $4,925.00 (+3.08%) Homeowner's exemption | $398,236 (+4.04%) Land $159,294 Building $238,942 |
| 2023 | $4,778.00 (+1.83%) Homeowner's exemption | $382,773 Land $153,109 Building $229,664 |
| 2022 | $4,692.00 |
79 William St, Apt B is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.
Source: FEMA National Flood Hazard Layer · Sonoma County (06097C), updated February 15, 2026
| FEMA Flood Zone | Zone X moderate flood hazard · within the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |
Values are read at the parcel center point; lenders make the official flood determination.
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