Seller's Agent in 2026
Annaliese Quisisem
Ajility Real Estate
(707) 480-9228
1 in this area
58 Total Sales
79 William St Unit S Cotati, CA 94931
2
Beds
1.5
Baths
1,250
Sq Ft
614
Sq Ft Lot Lot
Highlights
- Solar Heated In Ground Pool
- Bamboo Flooring
- Laundry closet
- Deck
- Detached Garage
- 4-minute walk to La Plaza Park
About This Home
As of April 2026Tucked behind the Cotati Downtown Plaza in a serene location, this charming 2 bedroom, 1.5 bath condo offers both access to downtown and peaceful natural surroundings. Framed by mature oak and redwood trees, the home backs to open space and features a private fenced deck ideal for relaxing or entertaining. Inside, warm bamboo flooring and custom wood details create a welcoming atmosphere. The living room centers around a beautiful custom fireplace mantel and hearth. Upstairs features two spacious bedrooms with large mirrored closets. Bamboo flooring and a built-in window desk with shelving provides an inspiring workspace overlooking open space. The remodeled bathroom includes granite countertops and a tile shower. Additional highlights includes exterior storage and two assigned parking spaces nearby. One parking spot is covered and the other is uncovered. Located just one block from Cotati Downtown Plaza, enjoy easy access to summer concerts, the farmers market, locally owned coffee shops, restaurants, and nightlife. Convenient to Highway 101, SMART Train, Oliver's Market, and Sonoma State University.
Last Agent to Sell the Property
Ajility Real Estate License #01359625 Listed on: 03/12/2026
Property Details
Home Type
- Condominium
Year Built
- Built in 1980 | Remodeled
Lot Details
- Wood Fence
HOA Fees
- $565 Monthly HOA Fees
Home Design
- Composition Roof
Interior Spaces
- 2-Story Property
- Ceiling Fan
- Wood Burning Fireplace
- Living Room with Fireplace
Kitchen
- Dishwasher
- Disposal
Flooring
- Bamboo
- Carpet
Laundry
- Laundry closet
- Dryer
- Washer
Parking
- Detached Garage
- 1 Carport Space
- No Garage
- Uncovered Parking
- Assigned Parking
Outdoor Features
- Solar Heated In Ground Pool
- Deck
- Outdoor Storage
Utilities
- Baseboard Heating
- 220 Volts in Kitchen
- Electric Water Heater
- Internet Available
Community Details
- Association fees include common areas, insurance on structure, maintenance structure, ground maintenance, management, pool, recreation facility, roof, sewer, trash, water
- William Condominium Owners Association, Phone Number (707) 687-2580
Ownership History
Date
Name
Owned For
Owner Type
Purchase Details
Listed on
Mar 12, 2026
Closed on
Apr 8, 2026
Sold by
Richard Koobatian and Richard Koobatian Living Trust
Bought by
Dudek David
Seller's Agent
Annaliese Quisisem
Ajility Real Estate
Buyer's Agent
Susan Campbell
Coldwell Banker Realty
List Price
$435,000
Sold Price
$440,000
Premium/Discount to List
$5,000
1.15%
Views
14
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
-9.07%
Original Mortgage
$396,000
Outstanding Balance
$396,000
Interest Rate
6.11%
Mortgage Type
New Conventional
Estimated Equity
$41,082
Purchase Details
Closed on
Nov 15, 2011
Sold by
Koobatian Richard
Bought by
Koobatian Richard and The Richard Koobatian Living T
Purchase Details
Closed on
Jun 28, 2011
Sold by
Federal Home Loan Mortgage Corporation
Bought by
Koobatian Richard
Purchase Details
Closed on
Nov 8, 2010
Sold by
Aldrich Nicole Jeanine
Bought by
Federal Home Loan Mortgage Corporation
Purchase Details
Closed on
Jul 17, 2007
Sold by
Hm Colvin Llc
Bought by
Aldrich Nicole Jeanine
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$235,200
Interest Rate
6.51%
Mortgage Type
Purchase Money Mortgage
Purchase Details
Closed on
Mar 2, 2004
Sold by
Hopper Ketha Anne and Helen M Colvin Trust
Bought by
H M Colvin Llc
Purchase Details
Closed on
Feb 21, 2003
Sold by
Colvin John J and Colvin Isobel
Bought by
Hopper Ketha Anne and The Helen M Colvin Trust
Purchase Details
Closed on
May 26, 1999
Sold by
Snyder Vivian R
Bought by
Colvin John J and Colvin Isobel
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$96,375
Interest Rate
6.86%
Mortgage Type
Stand Alone First
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Home Values in the Area
Average Home Value in this Area
Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Grant Deed | $440,000 | Cornerstone Title | |
| Interfamily Deed Transfer | -- | None Available | |
| Grant Deed | $114,500 | Ticor Title Riverside | |
| Trustee Deed | $159,933 | Accommodation | |
| Grant Deed | $294,000 | California Land Title Marin | |
| Grant Deed | -- | -- | |
| Grant Deed | -- | Chicago Title Co | |
| Grant Deed | $128,500 | First American Title |
Source: Public Records
Mortgage History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Status | Loan Amount | Loan Type |
|---|---|---|---|
| Open | $396,000 | New Conventional | |
| Previous Owner | $235,200 | Purchase Money Mortgage | |
| Previous Owner | $96,375 | Stand Alone First |
Source: Public Records
Property History
| Date | Event | Price | List to Sale | Price per Sq Ft |
|---|---|---|---|---|
| 04/23/2026 04/23/26 | Sold | $440,000 | +1.1% | $352 / Sq Ft |
| 04/16/2026 04/16/26 | Pending | -- | -- | -- |
| 03/12/2026 03/12/26 | For Sale | $435,000 | -- | $348 / Sq Ft |
Source: Bay Area Real Estate Information Services (BAREIS)
Tax History
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2025 | $2,024 | $143,803 | $50,235 | $93,568 |
| 2024 | $1,973 | $140,984 | $49,250 | $91,734 |
| 2023 | $1,973 | $138,221 | $48,285 | $89,936 |
| 2022 | $1,920 | $135,512 | $47,339 | $88,173 |
| 2021 | $1,898 | $132,856 | $46,411 | $86,445 |
| 2020 | $1,910 | $131,495 | $45,936 | $85,559 |
| 2019 | $1,886 | $128,918 | $45,036 | $83,882 |
| 2018 | $1,595 | $126,391 | $44,153 | $82,238 |
| 2017 | $1,569 | $123,914 | $43,288 | $80,626 |
| 2016 | $1,499 | $121,486 | $42,440 | $79,046 |
| 2015 | $1,546 | $119,662 | $41,803 | $77,859 |
| 2014 | $1,536 | $117,319 | $40,985 | $76,334 |
Source: Public Records
Agents Affiliated with this Home
-
Annaliese Quisisem
-
Susan Campbell
S
Buyer's Agent in 2026
Susan Campbell
Coldwell Banker Realty
(707) 481-1906
1 in this area
19 Total Sales
Map
Source: Bay Area Real Estate Information Services (BAREIS)
MLS Number: 326019195
APN: 144-560-018
Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.
Listing information deemed reliable but not guaranteed. Copyright 2026 Bay Area Real Estate Information Services, Inc. All Right Reserved.
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