43 Castle Rock Dr
Mill Valley, CA 94941
4 bd 4 ba 1,887 sqft Built 1952 Lot 13,591 sqft single_family
Most recent sale
$1,210,000
Dec 20, 2021
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Aug 4, 2023 | Sold | $2,151,000 | MLSListings |
| Jul 19, 2023 | Listed | $1,999,000 | MLSListings |
| Dec 20, 2021 | Sold | $1,210,000 | MLS #321111543 |
| Dec 5, 2021 | Listed | $895,000 | MLS #321111543 |
| Nov 22, 1976 | Sold | $97,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $868,020 | $1,326,000 | $2,194,020 | $29,017 |
| 2024 | $868,020 | $1,326,000 | $2,194,020 | $28,030 |
| 2023 | $519,200 | $765,000 | $1,284,200 | $18,338 |
| 2022 | $460,000 | $750,000 | $1,210,000 | $15,853 |
| 2021 | $159,997 | $51,148 | $211,145 | $4,350 |
| 2020 | $158,357 | $50,624 | $208,981 | $4,046 |
| 2019 | $155,253 | $49,631 | $204,884 | $3,813 |
| 2018 | $152,209 | $48,658 | $200,867 | $3,613 |
| 2017 | $149,225 | $47,704 | $196,929 | $3,577 |
| 2016 | $146,299 | $46,769 | $193,068 | $3,365 |
| 2015 | $144,102 | $46,066 | $190,168 | $3,265 |
| 2014 | $141,279 | $45,164 | $186,443 | $2,966 |
| 2013 | $140,641 | $44,960 | $185,601 | $2,966 |
| 2012 | $137,885 | $44,079 | $181,964 | $2,906 |
| 2010 | $134,172 | $42,892 | $177,064 | $2,773 |
| 2009 | $134,491 | $42,994 | $177,485 | $2,616 |
| 2008 | $131,854 | $42,151 | $174,005 | $2,352 |
| 2006 | $129,269 | $41,324 | $170,593 | $2,236 |
Property facts
Year built
1952
Property type
single_family
Stories
2
Beds
4
Baths
4
Living area
1,887 sqft
Lot size
13,591 sqft
ZIP code
94941
City
Mill Valley
Street
Castle Rock Dr
Coordinates
37.90009, -122.55698
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsInvestment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$6,038
Gross rental yield
5.99%
Implied cap rate
3.89%
Trend-extrapolated value
—
Frequently asked questions
When did 43 Castle Rock Dr last sell?
43 Castle Rock Dr most recently sold on Dec 20, 2021 for $1,210,000.
What is the current tax assessment for 43 Castle Rock Dr?
The most recent total assessment for 43 Castle Rock Dr (year 2025) is $2,194,020 with $29,017 in property tax.
How does 43 Castle Rock Dr's assessment compare to its last sale price?
The current assessment is 81.3% above the last sale price of $1,210,000.
When was 43 Castle Rock Dr built?
43 Castle Rock Dr was built in 1952.
How does 43 Castle Rock Dr compare to others on Castle Rock Dr?
We track 4 other properties on Castle Rock Dr. Browse the list under "Other properties on Castle Rock Dr" to compare beds, baths, and sale history.
What are the property facts for 43 Castle Rock Dr?
43 Castle Rock Dr is a 4 bed, 4 bath, 1,887 sqft, 13,591 sqft lot single_family.
Is 43 Castle Rock Dr a flip candidate?
Yes — 43 Castle Rock Dr appears in our flips dataset, indicating it sold twice within a short window with a notable price change.
Is 43 Castle Rock Dr a tax-appeal candidate?
No — 43 Castle Rock 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
Explore nearby
Geography
Other properties on Castle Rock Dr