Light floods into the windows of this uncharacteristically large and charming, 1920’s English style cottage located in the highly coveted downtown area of Mill Valley. This home features four bedrooms and four full baths in a modern living space that features a formal living room with fireplace and formal dining room with butler’s pantry leading to a large eat-in kitchen and family room with fireplace. French doors take you out to a beautiful and spacious back yard with brick patio and lawn area surrounded by mature trees and gardens. Upstairs is a second bedroom with en-suite bath and large master suite with fireplace and three walk-in closets. The third bedroom is located on the main level. Down one short flight of stairs is the laundry room and fourth bedroom (or au pair unit) with en-suite bath and separate entrance. 83 Sunnyside is one of the largest homes in the downtown area.
Sold for $6,600,000
Street View
$6,600,000
83 Sunnyside Ave, Mill Valley, CA 94941
4beds
3,812sqft
SingleFamily
Built in 1929
6,229 Square Feet Lot
$6,582,500 Zestimate®
$1,731/sqft
$-- Estimated rent
Home value
$6,582,500
$5.92M - $7.31M
Not available
Zestimate® history
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Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 4
Heating
- Other
Features
- Has fireplace: Yes
Interior area
- Total interior livable area: 3,812 sqft
Property
Parking
- Parking features: Garage - Attached
Lot
- Size: 6,229 Square Feet
Details
- Parcel number: 02918432
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Contemporary
Condition
- Year built: 1929
Community & HOA
Location
- Region: Mill Valley
Financial & listing details
- Price per square foot: $1,731/sqft
- Tax assessed value: $4,893,321
Price history
| Date | Event | Price |
|---|---|---|
| 9/14/2026 | Sold | $6,600,000+161.4%$1,731/sqft |
Source: Public Record Report a problem | ||
| 4/8/2010 | Sold | $2,525,000+3.1%$662/sqft |
Source: Public Record Report a problem | ||
| 3/19/2010 | Listed for sale | $2,449,000+7.4%$642/sqft |
Source: McGuire Mill Valley Office #21007267 Report a problem | ||
| 6/8/2006 | Sold | $2,280,000+26.7%$598/sqft |
Source: Public Record Report a problem | ||
| 8/9/2002 | Sold | $1,800,000+328.6%$472/sqft |
Source: Public Record Report a problem | ||
| 4/22/1994 | Sold | $420,000$110/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2026 | -- | $4,893,321 +2% |
| 2025 | $57,692 +32.2% | $4,797,384 +29.2% |
| 2024 | $43,649 +1.3% | $3,713,339 +5.2% |
| 2023 | $43,110 +15.6% | $3,530,339 +14.3% |
| 2022 | $37,300 -4.9% | $3,088,583 +2% |
| 2021 | $39,213 +0.5% | $3,028,045 +1% |
| 2020 | $39,022 +5.4% | $2,997,014 +2% |
| 2019 | $37,011 +1.7% | $2,938,255 +2% |
| 2018 | $36,392 +3.4% | $2,880,663 +2% |
| 2017 | $35,184 +4.5% | $2,824,188 +2% |
| 2016 | $33,679 -0.1% | $2,768,830 +1.5% |
| 2015 | $33,721 +1.2% | $2,727,261 +2% |
| 2014 | $33,305 | $2,673,859 +5.3% |
| 2013 | -- | $2,540,000 |
| 2012 | -- | $2,540,000 +1% |
| 2011 | -- | $2,515,000 +12.6% |
| 2010 | -- | $2,234,400 -7.7% |
| 2009 | -- | $2,419,536 +2% |
| 2008 | -- | $2,372,112 +2% |
| 2007 | -- | $2,325,600 +21.9% |
| 2006 | -- | $1,907,675 +2% |
| 2005 | -- | $1,870,271 +2% |
| 2004 | -- | $1,833,605 +1.9% |
| 2003 | -- | $1,800,000 +101.7% |
| 2002 | -- | $892,376 +2% |
| 2001 | -- | $874,882 |
Find assessor info on the county website
Neighborhood: Downtown/Lytton Square
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Nearby schools
GreatSchools rating
- 10/10Park Elementary SchoolGrades: K-5Distance: 0.4 mi
- 9/10Mill Valley Middle SchoolGrades: 6-8Distance: 1 mi
- 10/10Tamalpais High SchoolGrades: 9-12Distance: 1.5 mi
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Estimated market value
$6,582,500
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$6,582,500
- California
- Marin County
- Mill Valley
- 94941
- Downtown/Lytton Square
- 83 Sunnyside Ave