21 Halsey Ave
Petaluma, CA 94952
3 bd 1 ba 1,352 sqft Built 1949 Lot 7,700 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 | $401,302 | $267,534 | $668,836 | $7,710 |
| 2024 | $401,302 | $267,534 | $668,836 | $7,185 |
| 2023 | $385,720 | $257,147 | $642,867 | $7,013 |
| 2022 | $378,157 | $252,105 | $630,262 | $6,951 |
| 2021 | $370,743 | $247,162 | $617,905 | $6,820 |
| 2020 | $366,942 | $244,628 | $611,570 | $6,877 |
| 2019 | $359,748 | $239,832 | $599,580 | $6,791 |
| 2018 | $352,695 | $235,130 | $587,825 | $6,764 |
| 2017 | $345,780 | $230,520 | $576,300 | $6,701 |
| 2016 | $55,007 | $15,519 | $70,526 | $811 |
| 2015 | $54,181 | $15,286 | $69,467 | $720 |
| 2014 | $53,120 | $14,987 | $68,107 | $715 |
| 2013 | $52,880 | $14,920 | $67,800 | $687 |
| 2012 | $51,844 | $14,628 | $66,472 | $670 |
| 2010 | $50,828 | $14,342 | $65,170 | $646 |
| 2009 | $50,569 | $14,269 | $64,838 | $650 |
| 2008 | $49,578 | $13,990 | $63,568 | $637 |
| 2007 | $48,606 | $13,716 | $62,322 | $619 |
Property facts
Year built
1949
Property type
single_family
Stories
1
Beds
3
Baths
1
Living area
1,352 sqft
Lot size
7,700 sqft
ZIP code
94952
City
Petaluma
Street
Halsey Ave
Coordinates
38.22333, -122.62973
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Halsey Ave last sell?
No public-record sale is on file for 21 Halsey Ave.
What is the current tax assessment for 21 Halsey Ave?
The most recent total assessment for 21 Halsey Ave (year 2025) is $668,836 with $7,710 in property tax.
When was 21 Halsey Ave built?
21 Halsey Ave was built in 1949.
How does 21 Halsey Ave compare to others on Halsey Ave?
We track 8 other properties on Halsey Ave. Browse the list under "Other properties on Halsey Ave" to compare beds, baths, and sale history.
What are the property facts for 21 Halsey Ave?
21 Halsey Ave is a 3 bed, 1 bath, 1,352 sqft, 7,700 sqft lot single_family.
Is 21 Halsey Ave a flip candidate?
No — 21 Halsey Ave does not appear in our flips dataset.
Is 21 Halsey Ave a tax-appeal candidate?
No — 21 Halsey Ave 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 Halsey Ave