91 Sunnyside Ave
Mill Valley, CA 94941
Downtown/Lytton Square- 4 Beds
- 4 Baths
- 2,489 sqft
4 Beds
4 Baths
2,489 sqft
Local Information
-- mins to
Home Highlights
Property Type
Single-Family Home
Year Built
1909
Living Area
2,489 sqft
Price/Sqft
$1,823
Parking
Garage
About this House
This single-family home is located at 91 Sunnyside Ave, Mill Valley, CA. 91 Sunnyside Ave is in the Downtown/Lytton Square neighborhood in Mill Valley, CA and in ZIP code 94941. This property has 4 bedrooms, 4 bathrooms and approximately 2,489 sqft of floor space. This property has a lot size of 6250 sqft and was built in 1909.
91 Sunnyside Ave, Mill Valley, CA 94941 is a 4 bedroom, 4 bathroom, 2,489 sqft single-family home in Downtown/Lytton Square, built in 1909. It last sold for $4,175,000 on Feb 23, 2023. It is currently off market. The Trulia Estimate is $4,536,900, with a rent estimate of $7,940/month.
Home Details for 91 Sunnyside Ave
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Heating & Cooling Heating: OtherHeating Fuel: Other |
Levels, Entrance, & Accessibility Stories: 2Floors: Hardwood |
Fireplace & Spa Fireplace |
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Exterior Home Features Roof: CompositionDeckExterior: Shingle Not Wood |
Parking & Garage GarageParking Space: 1Parking: Garage Attached |
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Year Built Year Built: 1909Year Updated: 1980 |
Property Type / Style Property Type: Single Family HomeArchitecture: Contemporary |
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Units in Building: 1 |
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Lot Area: 6250 sqft |
Price History for 91 Sunnyside Ave
| Date | Price | Event | Source |
|---|---|---|---|
| 02/23/2023 | $4,175,000 | Sold | N/A |
| 03/25/2015 | $2,800,000 | Sold | N/A |
| 03/01/2015 | $2,495,000 | Listed For Sale | Agent Provided |
| 04/25/2003 | $1,870,000 | Sold | N/A |
| 05/16/1995 | $795,000 | Sold | N/A |
Market trends in Mill Valley
Last updated June 2026
Avg. sale price
$2.4M
$295KMoM
Sale-to-List Price
108.3%
3.0%MoM
Price per sq ft
$1.08K
$70MoM
Available listings
54
25MoM
Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $53,443 |
| Assessment | $4,373,670 |
Home facts updated by county records
Comparable Sales for 91 Sunnyside Ave
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.20 | Single-Family Home | $4,125,000 | 11/03/25 | 3 | 3.5 | 2,521 | |
0.13 | Single-Family Home | $2,850,000 | 09/22/25 | 4 | 3 | 2,621 | |
0.09 | Single-Family Home | $4,150,000 | 10/01/25 | 3 | 2.5 | 1,990 | |
0.06 | Single-Family Home | $5,800,000 | 11/03/25 | 4 | 4 | 4,064 | |
0.09 | Single-Family Home | $3,675,000 | 08/18/25 | 5 | 2.5 | 3,346 | |
0.26 | Single-Family Home | $3,800,000 | 03/13/26 | 3 | 3 | 2,635 | |
0.41 | Single-Family Home | $3,855,000 | 04/28/26 | 4 | 3 | 2,574 | |
0.39 | Single-Family Home | $3,400,000 | 02/09/26 | 4 | 3.5 | 2,826 | |
0.33 | Single-Family Home | $3,200,000 | 09/19/25 | 5 | 3.5 | 3,026 | |
0.38 | Single-Family Home | $3,600,000 | 05/28/26 | 4 | 2.5 | 2,392 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 91 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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