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
$9,395,000 Zestimate®
$1,903/sqft
$-- HOA
What's special
- 117 days |
- 571 |
- 33 |
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: $5,787,000
- Annual tax amount: $18,576
- Date on market: 5/2/2026
- Listing agreement: E
Estimated market value
$9,395,000
$7.23M - $12.40M
$28,198/mo
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
Nearby schools
GreatSchools rating
- NANantucket Elementary SchoolGrades: PK-2Distance: 7 mi
- 6/10Cyrus Peirce Middle SchoolGrades: 6-8Distance: 7 mi
- 5/10Nantucket High SchoolGrades: 9-12Distance: 7 mi
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- $3,186,9003 bd2 ba1k sqft2 Center St, Nantucket, MA 02554Off Market
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A local agent can set up tours, give advice and negotiate with sellers.
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