623 Prospect St
Petaluma, CA 94952
1 bd 1 ba 549 sqft Built 1880 Lot 1,250 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $377,306 | $251,536 | $628,842 | $7,337 |
| 2024 | $377,306 | $251,536 | $628,842 | $6,840 |
| 2023 | $362,655 | $241,769 | $604,424 | $6,673 |
| 2022 | $355,545 | $237,029 | $592,574 | $6,616 |
| 2021 | $348,574 | $232,382 | $580,956 | $6,493 |
| 2020 | $147,181 | $82,420 | $229,601 | $2,704 |
| 2019 | $144,296 | $80,804 | $225,100 | $2,672 |
| 2018 | $141,467 | $79,220 | $220,687 | $2,662 |
| 2017 | $138,694 | $77,667 | $216,361 | $2,609 |
| 2016 | $135,975 | $76,145 | $212,120 | $2,542 |
| 2015 | $133,933 | $75,002 | $208,935 | $2,508 |
| 2014 | $131,310 | $73,533 | $204,843 | $2,496 |
| 2013 | $130,717 | $73,201 | $203,918 | $2,404 |
| 2012 | $128,154 | $71,766 | $199,920 | $2,352 |
| 2010 | $125,642 | $70,359 | $196,001 | $2,279 |
| 2009 | $35,700 | $285,600 | $321,300 | $3,689 |
| 2008 | $35,000 | $280,000 | $315,000 | $3,625 |
| 2007 | $5,850 | $6,756 | $12,606 | $274 |
Property facts
Year built
1880
Property type
single_family
Stories
1
Beds
1
Baths
1
Living area
549 sqft
Lot size
1,250 sqft
ZIP code
94952
City
Petaluma
Street
Prospect St
Coordinates
38.23468, -122.64865
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 623 Prospect St last sell?
No public-record sale is on file for 623 Prospect St.
What is the current tax assessment for 623 Prospect St?
The most recent total assessment for 623 Prospect St (year 2025) is $628,842 with $7,337 in property tax.
When was 623 Prospect St built?
623 Prospect St was built in 1880.
How does 623 Prospect St compare to others on Prospect St?
We track 8 other properties on Prospect St. Browse the list under "Other properties on Prospect St" to compare beds, baths, and sale history.
What are the property facts for 623 Prospect St?
623 Prospect St is a 1 bed, 1 bath, 549 sqft, 1,250 sqft lot single_family.
Is 623 Prospect St a flip candidate?
No — 623 Prospect St does not appear in our flips dataset.
Is 623 Prospect St a tax-appeal candidate?
No — 623 Prospect 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
+4.7%
Implied 1-yr
+18.9%
2026 Q3
$1.78M
2026 Q4
$1.84M
ZIP 94952 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Prospect St