123 William Ave
Larkspur, CA 94939
1 bd 1 ba 688 sqft Built 1908 Lot 3,049 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 | $13,653 | $805,569 | $819,222 | $13,189 |
| 2024 | $13,653 | $805,569 | $819,222 | $12,735 |
| 2023 | $13,123 | $774,290 | $787,413 | $12,445 |
| 2022 | $12,866 | $759,110 | $771,976 | $12,238 |
| 2021 | $12,614 | $744,228 | $756,842 | $11,953 |
| 2020 | $12,484 | $736,603 | $749,087 | $11,825 |
| 2019 | $12,240 | $722,160 | $734,400 | $11,402 |
| 2018 | $12,000 | $708,000 | $720,000 | $10,913 |
| 2017 | $27,984 | $24,287 | $52,271 | $3,166 |
| 2016 | $27,435 | $23,811 | $51,246 | $3,018 |
| 2015 | $27,023 | $23,453 | $50,476 | $2,740 |
| 2014 | $26,489 | $22,988 | $49,477 | $2,595 |
| 2013 | $26,369 | $22,884 | $49,253 | $2,466 |
| 2012 | $25,852 | $22,436 | $48,288 | $2,413 |
| 2010 | $25,346 | $21,996 | $47,342 | $2,071 |
| 2009 | $25,156 | $21,832 | $46,988 | $2,026 |
| 2008 | $24,722 | $21,455 | $46,177 | $1,856 |
| 2006 | $24,237 | $21,034 | $45,271 | $1,465 |
Property facts
Year built
1908
Property type
single_family
Stories
—
Beds
1
Baths
1
Living area
688 sqft
Lot size
3,049 sqft
ZIP code
94939
City
Larkspur
Street
William Ave
Coordinates
37.93200, -122.53528
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 123 William Ave last sell?
No public-record sale is on file for 123 William Ave.
What is the current tax assessment for 123 William Ave?
The most recent total assessment for 123 William Ave (year 2025) is $819,222 with $13,189 in property tax.
When was 123 William Ave built?
123 William Ave was built in 1908.
How does 123 William Ave compare to others on William Ave?
We track 8 other properties on William Ave. Browse the list under "Other properties on William Ave" to compare beds, baths, and sale history.
What are the property facts for 123 William Ave?
123 William Ave is a 1 bed, 1 bath, 688 sqft, 3,049 sqft lot single_family.
Is 123 William Ave a flip candidate?
No — 123 William Ave does not appear in our flips dataset.
Is 123 William Ave a tax-appeal candidate?
No — 123 William 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
-2.0%
Implied 1-yr
-8.1%
2026 Q2
$2.53M
2026 Q3
$2.47M
ZIP 94939 — Median Price History + Forecast
Explore nearby
Geography
Other properties on William Ave