423 Walnut St
Petaluma, CA 94952
4 bd 4 ba 2,530 sqft Built 1979 Lot 7,000 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 | $608,375 | $400,399 | $1,008,774 | $11,638 |
| 2024 | $608,375 | $400,399 | $1,008,774 | $10,842 |
| 2023 | $584,752 | $384,852 | $969,604 | $10,627 |
| 2022 | $573,287 | $377,306 | $950,593 | $10,536 |
| 2021 | $562,047 | $369,908 | $931,955 | $10,337 |
| 2020 | $556,284 | $366,116 | $922,400 | $10,427 |
| 2019 | $545,377 | $358,938 | $904,315 | $10,298 |
| 2018 | $534,684 | $351,900 | $886,584 | $10,259 |
| 2017 | $301,398 | $161,617 | $463,015 | $5,425 |
| 2016 | $295,489 | $158,449 | $453,938 | $5,171 |
| 2015 | $291,051 | $156,069 | $447,120 | $5,098 |
| 2014 | $285,350 | $153,012 | $438,362 | $5,073 |
| 2013 | $284,061 | $152,321 | $436,382 | $4,877 |
| 2012 | $278,492 | $149,335 | $427,827 | $4,765 |
| 2010 | $273,032 | $146,407 | $419,439 | $4,609 |
| 2009 | $271,636 | $145,659 | $417,295 | $4,636 |
| 2008 | $266,310 | $142,803 | $409,113 | $4,554 |
| 2007 | $261,089 | $140,003 | $401,092 | $4,433 |
Property facts
Year built
1979
Property type
single_family
Stories
2
Beds
4
Baths
4
Living area
2,530 sqft
Lot size
7,000 sqft
ZIP code
94952
City
Petaluma
Street
Walnut St
Coordinates
38.23825, -122.64836
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 423 Walnut St last sell?
No public-record sale is on file for 423 Walnut St.
What is the current tax assessment for 423 Walnut St?
The most recent total assessment for 423 Walnut St (year 2025) is $1,008,774 with $11,638 in property tax.
When was 423 Walnut St built?
423 Walnut St was built in 1979.
How does 423 Walnut St compare to others on Walnut St?
We track 8 other properties on Walnut St. Browse the list under "Other properties on Walnut St" to compare beds, baths, and sale history.
What are the property facts for 423 Walnut St?
423 Walnut St is a 4 bed, 4 bath, 2,530 sqft, 7,000 sqft lot single_family.
Is 423 Walnut St a flip candidate?
No — 423 Walnut St does not appear in our flips dataset.
Is 423 Walnut St a tax-appeal candidate?
No — 423 Walnut 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 Walnut St