
15 Twenty First St N Edgartown — Photo 1 of 42
Recent Drop: $360,000
$2,590,000
15 Twenty First St N, Edgartown, MA 02539
Edgartown, MA 02539 — Ocean Heights
Beds
4
Baths
6.5
SqFt
4,530
Style
Single Family
Built
1993
Located on a quiet street just minutes from Edgartown Village, this versatile compound offers privacy, flexibility, and close proximity to the Island’s best outdoor amenities. Set on over half an acre, the property includes a main house and detached guest house with separate driveways and mature landscaping.The main home features an open kitchen and dining area, sunken living room, and three bedrooms, plus a finished lower level for added living space. Outdoor highlights include a deck, heated pool, patio, pool house, and outdoor shower.The guest house was built in 2011 and provides additional living space, multiple baths, a garage, and its own private setting. Near conservation land and water access, and just 1.5 miles to town, this property offers strong rental potential and exceptional versatility.
Market Value Analysis
* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Edgartown, MA.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Neighborhood
Walk/Jog Trails • Bike Path
Geography
Property History
$2,590,000
Was $2,675,000
Sep 3, 2026
MLS® 73523165
$2,675,000
Was $2,950,000
Jul 21, 2026
MLS® 73523165
$2,950,000
May 23, 2026
MLS® 73523165
Population
5,278
U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)
Median Household Income
$125K
U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)
Renter-Occupied Homes
13.0%
U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)
New Construction Permits — Dukes County
164 housing units permitted in the last 12 months (+80% vs the prior 12 months) — 35 in 5+ unit buildings
U.S. Census Bureau, Building Permits Survey (through Jun '26)
ADU Potential
Massachusetts allows one accessory dwelling unit by right in single-family zoning districts statewide (M.G.L. c. 40A §3; 760 CMR 71.00, effective Feb 2025). Estimated maximum ADU size for this property: 900 sq ft (the lesser of 900 sq ft or half the 4,530 sq ft principal dwelling). Lot size: 23,087 sq ft.
Based on listing data, which indicates the property type — not the zoning district. Local dimensional, septic (Title 5), and historic-district requirements still apply. Not legal advice — verify with the municipality.
Listing Agent: Jen O'Hanlon
Listing Office: Compass
MLS® Number: 73523165
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