21 Lower Dr
Mill Valley, CA 94941
4 bd 4 ba 2,970 sqft Built 1965 Lot 9,919 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 | $2,258,887 | $1,254,937 | $3,513,824 | $43,653 |
| 2024 | $2,258,887 | $1,254,937 | $3,513,824 | $42,350 |
| 2023 | $2,171,184 | $1,206,213 | $3,377,397 | $42,274 |
| 2022 | $2,128,619 | $1,182,566 | $3,311,185 | $40,336 |
| 2021 | $2,086,884 | $1,159,380 | $3,246,264 | $41,185 |
| 2020 | $2,065,500 | $1,147,500 | $3,213,000 | $40,166 |
| 2019 | $2,025,000 | $1,125,000 | $3,150,000 | $40,398 |
| 2018 | $635,619 | $1,034,842 | $1,670,461 | $21,145 |
| 2017 | $554,529 | $1,014,550 | $1,569,079 | $19,990 |
| 2016 | $543,659 | $994,662 | $1,538,321 | $19,581 |
| 2015 | $535,496 | $979,728 | $1,515,224 | $19,467 |
| 2014 | $525,009 | $960,541 | $1,485,550 | $19,865 |
| 2013 | $432,250 | $837,200 | $1,269,450 | $16,521 |
| 2012 | $432,250 | $837,200 | $1,269,450 | $16,875 |
| 2010 | $432,250 | $837,200 | $1,269,450 | $15,642 |
| 2009 | $432,250 | $837,200 | $1,269,450 | $14,184 |
| 2008 | $442,415 | $704,758 | $1,147,173 | $13,534 |
| 2006 | $433,741 | $690,941 | $1,124,682 | $13,018 |
Property facts
Year built
1965
Property type
single_family
Stories
1
Beds
4
Baths
4
Living area
2,970 sqft
Lot size
9,919 sqft
ZIP code
94941
City
Mill Valley
Street
Lower Dr
Coordinates
37.91398, -122.52206
Comparable properties nearby
Frequently asked questions
When did 21 Lower Dr last sell?
No public-record sale is on file for 21 Lower Dr.
What is the current tax assessment for 21 Lower Dr?
The most recent total assessment for 21 Lower Dr (year 2025) is $3,513,824 with $43,653 in property tax.
When was 21 Lower Dr built?
21 Lower Dr was built in 1965.
How does 21 Lower Dr compare to others on Lower Dr?
We do not currently track other properties on Lower Dr.
What are the property facts for 21 Lower Dr?
21 Lower Dr is a 4 bed, 4 bath, 2,970 sqft, 9,919 sqft lot single_family.
Is 21 Lower Dr a flip candidate?
No — 21 Lower Dr does not appear in our flips dataset.
Is 21 Lower Dr a tax-appeal candidate?
No — 21 Lower Dr 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
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Geography