91 Sunnyside Ave
Mill Valley, CA 94941
4 bd 3 ba 2,840 sqft Built 1909 Lot 6,250 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 | $1,564,590 | $2,809,080 | $4,373,670 | $53,443 |
| 2024 | $1,564,590 | $2,809,080 | $4,373,670 | $51,198 |
| 2023 | $1,670,345 | $1,674,967 | $3,345,312 | $41,014 |
| 2022 | $1,637,593 | $1,642,125 | $3,279,718 | $40,338 |
| 2021 | $1,605,492 | $1,609,935 | $3,215,427 | $39,268 |
| 2020 | $1,589,036 | $1,593,434 | $3,182,470 | $38,956 |
| 2019 | $1,557,889 | $1,562,201 | $3,120,090 | $38,171 |
| 2018 | $1,527,350 | $1,531,577 | $3,058,927 | $37,905 |
| 2017 | $1,497,403 | $1,501,547 | $2,998,950 | $36,901 |
| 2016 | $1,453,049 | $1,472,112 | $2,925,161 | $34,725 |
| 2015 | $469,965 | $1,783,459 | $2,253,424 | $27,841 |
| 2014 | $460,761 | $1,748,531 | $2,209,292 | $26,840 |
| 2013 | $458,682 | $1,740,642 | $2,199,324 | $26,665 |
| 2012 | $449,689 | $1,706,514 | $2,156,203 | $26,477 |
| 2010 | $440,875 | $1,673,066 | $2,113,941 | $24,748 |
| 2009 | $437,583 | $1,660,574 | $2,098,157 | $24,333 |
| 2008 | $430,025 | $1,631,892 | $2,061,917 | $23,340 |
| 2006 | $421,593 | $1,599,894 | $2,021,487 | $22,496 |
Property facts
Year built
1909
Property type
single_family
Stories
—
Beds
4
Baths
3
Living area
2,840 sqft
Lot size
6,250 sqft
ZIP code
94941
City
Mill Valley
Street
Sunnyside Ave
Coordinates
37.90634, -122.54338
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 91 Sunnyside Ave last sell?
No public-record sale is on file for 91 Sunnyside Ave.
What is the current tax assessment for 91 Sunnyside Ave?
The most recent total assessment for 91 Sunnyside Ave (year 2025) is $4,373,670 with $53,443 in property tax.
When was 91 Sunnyside Ave built?
91 Sunnyside Ave was built in 1909.
How does 91 Sunnyside Ave compare to others on Sunnyside Ave?
We track 8 other properties on Sunnyside Ave. Browse the list under "Other properties on Sunnyside Ave" to compare beds, baths, and sale history.
What are the property facts for 91 Sunnyside Ave?
91 Sunnyside Ave is a 4 bed, 3 bath, 2,840 sqft, 6,250 sqft lot single_family.
Is 91 Sunnyside Ave a flip candidate?
No — 91 Sunnyside Ave does not appear in our flips dataset.
Is 91 Sunnyside Ave a tax-appeal candidate?
No — 91 Sunnyside 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
-7.9%
2026 Q2
$1.91M
2026 Q3
$1.87M
ZIP 94941 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Sunnyside Ave