79 William St
Cotati, CA 94931
2 bd 2 ba 1,250 sqft Built 1980 Lot 636 sqft condos
Most recent sale
$467,000
Mar 22, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Mar 22, 2022 | Sold | $467,000 | MLS #322007449 |
| Feb 12, 2022 | Listed | $449,000 | MLS #322007449 |
| Jul 10, 2015 | Sold | $319,000 | MLS #21510528 |
| May 3, 2015 | Listed | $319,000 | MLS #21510528 |
| Nov 20, 1996 | Sold | $107,500 | Public Record |
| Jul 20, 1993 | Sold | $125,500 | Public Record |
| Oct 5, 1990 | Sold | $119,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $297,138 | $198,445 | $495,583 | $6,116 |
| 2024 | $297,138 | $198,445 | $495,583 | $5,963 |
| 2023 | $285,600 | $190,740 | $476,340 | $5,938 |
| 2022 | $216,877 | $144,394 | $361,271 | $4,612 |
| 2021 | $212,625 | $141,563 | $354,188 | $4,569 |
| 2020 | $210,445 | $140,112 | $350,557 | $4,622 |
| 2019 | $206,319 | $137,365 | $343,684 | $4,564 |
| 2018 | $202,274 | $134,672 | $336,946 | $4,223 |
| 2017 | $198,308 | $132,032 | $330,340 | $4,153 |
| 2016 | $194,420 | $129,444 | $323,864 | $3,982 |
| 2015 | $89,008 | $53,135 | $142,143 | $1,809 |
| 2014 | $87,265 | $52,095 | $139,360 | $1,797 |
| 2013 | $86,871 | $51,860 | $138,731 | $1,633 |
| 2012 | $78,000 | $46,500 | $124,500 | $1,465 |
| 2010 | $83,499 | $49,848 | $133,347 | $1,464 |
| 2009 | $83,072 | $49,594 | $132,666 | $1,479 |
| 2008 | $81,444 | $48,622 | $130,066 | $1,449 |
| 2007 | $79,848 | $47,669 | $127,517 | $1,421 |
Property facts
Year built
1980
Property type
condos
Stories
2
Beds
2
Baths
2
Living area
1,250 sqft
Lot size
636 sqft
ZIP code
94931
City
Cotati
Street
William St
Coordinates
38.32760, -122.70959
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsInvestment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$4,000
Gross rental yield
10.28%
Implied cap rate
6.68%
Trend-extrapolated value
—
Frequently asked questions
When did 79 William St last sell?
79 William St most recently sold on Mar 22, 2022 for $467,000.
What is the current tax assessment for 79 William St?
The most recent total assessment for 79 William St (year 2025) is $495,583 with $6,116 in property tax.
How does 79 William St's assessment compare to its last sale price?
The current assessment is 6.1% above the last sale price of $467,000.
When was 79 William St built?
79 William St was built in 1980.
How does 79 William St compare to others on William St?
We track 8 other properties on William St. Browse the list under "Other properties on William St" to compare beds, baths, and sale history.
What are the property facts for 79 William St?
79 William St is a 2 bed, 2 bath, 1,250 sqft, 636 sqft lot condos.
Is 79 William St a flip candidate?
No — 79 William St does not appear in our flips dataset.
Is 79 William St a tax-appeal candidate?
No — 79 William St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-5.4%
Implied 1-yr
-21.5%
2026 Q3
$662.6K
2026 Q4
$608K
ZIP 94931 — Median Price History + Forecast
Explore nearby
Geography
Other properties on William St