At the heart of historic ’Sconset, where location is everything and legacy is rarely offered, Green Chimneys stands apart as one of Nantucket’s most iconic and enduring estates. Location, legacy, and rarity converge at this extraordinary Main Street property, prominently positioned in the heart of the village just moments from the beach, market, and village center. Offering a rare combination of history, scale, and exceptional in-town grounds, Green Chimneys unites more than two centuries of provenance with beautifully scaled living and entertaining spaces, all enhanced by coveted HDC-approved plans for a pool. A landmark offering of uncommon character and distinction, Green Chimneys stands among the island’s rarest and most compelling ownership opportunities.
For sale
$12,000,000
20 Main St, Siasconset, MA 02564
8beds
6,305sqft
Single Family Residence
Built in 1827
0.66 Acres Lot
$9,834,500 Zestimate®
$1,903/sqft
$-- HOA
What's special
- 163 days
- 1,825
- 146
Zillow last checked:
Listing updated:
Listed by:
Marybeth Gilmartin - Baugher,
Compass MA LLC
Source: LINK,MLS#: 93060
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 8
- Bathrooms: 9
- Full bathrooms: 9
Heating
- OFHW
Appliances
- Included: Stove: Yes, Washer: Yes
Features
- A, Irr, OSh
- Flooring: Antique Pine - authentic original large plank -
- Basement: 2 Separate Basement Areas in Main House Original and at opposite end of extension Backyard area
- Has fireplace: No
- Fireplace features: 9
- Furnished: Yes
Interior area
- Total structure area: 6,305
- Total interior livable area: 6,305 sqft
Video & virtual tour
Property
Parking
- Parking features: 2 Drives -access w/parking both from Main Street & the other at McKinley - in addition to separate attached garage
Features
- Exterior features: Deck, Garden, Patio, Porch, P/Pool, C/Tennis
- Has view: Yes
- View description: None, D/Oc
- Has water view: Yes
- Water view: Ocean
- Frontage type: None
Lot
- Size: 0.66 Acres
- Features: *noted On Deed, Expansive - Outstanding Grounds/Center Courtyard Area
Details
- Parcel number: 50
- Zoning: SR10
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Foundation: Various main house - carriage house & barn (cement, concrete stone & wood)
Condition
- Year built: 1827
- Major remodel year: 2014
Utilities & green energy
- Sewer: Town
- Water: Town
- Utilities for property: Cbl
Community & HOA
Location
- Region: Siasconset
Financial & listing details
- Price per square foot: $1,903/sqft
- Tax assessed value: $7,248,900
- Annual tax amount: $18,576
- Date on market: 5/2/2026
- Listing agreement: E
Estimated market value
$9,834,500
$7.77M - $12.69M
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 5/2/2026 | Listed for sale | $12,000,000$1,903/sqft |
Source: LINK #93060 Report a problem | ||
Public tax history
Tax history is unavailable.
Monthly payment
Est. payment
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.Climate risks
Neighborhood: 02564
Similar homes
- $14,975,0006 bd6 ba7.3k sqft35 Shell St, Nantucket, MA 02554For Sale
MLS ID #93106, Liza Ottani, Lee Real Estate. LINK - $10,900,0007 bd5 ba4.5k sqft59 Baxter Rd, Nantucket, MA 02554For Sale
MLS ID #93017, Marybeth Gilmartin - Baugher, Compass MA LLC. LINK - $7,995,0005 bd6 ba5.9k sqft8 Hedge Row, Nantucket, MA 02554For Sale
MLS ID #93320, Chandra Miller, Maury People Sotheby's International Realty. LINK - $12,995,0005 bd5 ba4.2k sqft105 Low Beach Rd, Nantucket, MA 02554For Sale
MLS ID #92569, John Arena, William Raveis Nantucket. LINK
