83 Sunnyside Ave
Mill Valley, CA 94941
Downtown/Lytton Square- 4 Beds
- 4 Baths
- 3,812 sqft
4 Beds
4 Baths
3,812 sqft
Local Information
-- mins to
Description
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.
83 Sunnyside Ave, Mill Valley, CA 94941 is a 4 bedroom, 4 bathroom, 3,812 sqft single-family home in Downtown/Lytton Square, built in 1929. It last sold for $2,525,000 on Apr 8, 2010. It is currently off market. The Trulia Estimate is $5,287,600, with a rent estimate of $9,258/month.
Home Highlights
Parking
Garage
Outdoor
Deck
A/C
Heating only
HOA
None
Price/Sqft
No Info
Listed
Less than a day ago
Home Details for 83 Sunnyside Ave
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Heating & Cooling Heating: OtherHeating Fuel: Other |
Interior Details Number of Rooms: 8 |
Fireplace & Spa Fireplace |
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Year Built Year Built: 1929Year Updated: 1982 |
Property Type / Style Property Type: Single Family HomeArchitecture: Contemporary |
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Exterior Home Features Deck |
Parking & Garage GarageParking: Garage Attached |
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Units in Building: 1 |
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Lot Area: 6229 sqft |
Price History for 83 Sunnyside Ave
| Date | Price | Event | Source |
|---|---|---|---|
| 04/08/2010 | $2,525,000 | Sold | N/A |
| 03/19/2010 | $2,449,000 | Listed For Sale | Agent Provided |
| 06/08/2006 | $2,280,000 | Sold | N/A |
| 08/09/2002 | $1,800,000 | Sold | N/A |
| 04/22/1994 | $420,000 | Sold | N/A |
Market trends in Mill Valley
Last updated May 2026
Avg. sale price
$2.11M
$75KMoM
Sale-to-List Price
105.3%
4.1%MoM
Price per sq ft
$1.01K
$33MoM
Available listings
79
3MoM
Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $57,692 |
| Assessment | $4,797,384 |
Home facts updated by county records
Comparable Sales for 83 Sunnyside Ave
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.14 | Single-Family Home | $2,850,000 | 09/22/25 | 4 | 3 | 2,621 | |
0.07 | Single-Family Home | $5,800,000 | 11/03/25 | 4 | 4 | 4,064 | |
0.25 | Single-Family Home | $2,900,000 | 07/11/25 | 4 | 3 | 2,565 | |
0.09 | Single-Family Home | $3,675,000 | 08/18/25 | 5 | 2.5 | 3,346 | |
0.09 | Single-Family Home | $3,400,000 | 07/11/25 | 3 | 3 | 2,312 | |
0.34 | Single-Family Home | $3,200,000 | 09/19/25 | 5 | 3.5 | 3,026 | |
0.21 | Single-Family Home | $4,125,000 | 11/03/25 | 3 | 3.5 | 2,521 | |
0.39 | Single-Family Home | $3,400,000 | 02/09/26 | 4 | 3.5 | 2,826 | |
0.28 | Single-Family Home | $3,800,000 | 03/13/26 | 3 | 3 | 2,635 | |
0.10 | Single-Family Home | $4,150,000 | 10/01/25 | 3 | 2.5 | 1,990 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 83 Sunnyside Ave.
What Locals Say about Downtown/Lytton Square
At least 1 Trulia users voted on each feature.
100 % Say kids play outside
100 % Say there's wildlife
100 % Say it's walkable to grocery stores
100 % Say parking is easy
100 % Say there are sidewalks
Sourced by Trulia users. Learn more about our methodology.
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