
20 Emerald St Tyngsborough — Photo 1 of 42
$1,195,000
20 Emerald St, Tyngsborough, MA 01879
Tyngsborough, MA 01879
Beds
4
Baths
3.5
SqFt
3,418
Style
Single Family
Built
2000
Welcome to 20 Emerald Street, a beautifully maintained colonial set on a private 0.86-acre lot in one of Tyngsboro's most desirable neighborhoods! Offering over 3,400 square feet of living space, this exceptional home combines timeless design, flexible living arrangements, and outstanding value. The main residence features a spacious eat-in kitchen, formal dining room, inviting family room, sunroom, and three generously sized bedrooms. A rare highlight is the fully legal accessory dwelling unit with its own private entrance, full kitchen, and full bath—ideal for multigenerational living, extended family, guests, a caregiver, or potential rental income. Recent improvements include a brand-new roof. The landscaped yard offers ample space for recreation and entertaining. Conveniently located near schools, shopping, restaurants, major commuter routes, and tax-free New Hampshire, this unique property delivers the space, flexibility, and lifestyle you are looking for, don't miss it!
Market Value Analysis
* Analysis is based on 9 actively listed and recently sold comparable properties strictly within Tyngsborough, MA.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Gas Water Heater • Oven • Dishwasher
Neighborhood
Public Transportation • Shopping • Park • Walk/Jog Trails • Golf • Medical Facility
Geography
Floorplan Breakdown
Structural Layout
Dining Room
Lvl First14 x 12
Kitchen
Lvl First25 x 13
Office
Lvl First14 x 12
Family Room
Lvl First23 x 24
Master Bedroom
Lvl Second16 x 14
Bedroom 2
Lvl Second14 x 11
Bedroom 3
Lvl Second14 x 11
Population
12,550
U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)
Median Household Income
$129K
U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)
Renter-Occupied Homes
13.8%
U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)
New Construction Permits — Middlesex County
2,667 housing units permitted in the last 12 months (-2% vs the prior 12 months) — 1,709 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 3,418 sq ft principal dwelling). Lot size: 37,374 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: Dennis Page
Listing Office: LAER Realty Partners
MLS® Number: 73539441
Browse More Homes in Tyngsborough
Explore other active listings in the area.
$819,9006 Wyndbrook Ln Unit 6Tyngsborough, MA2 bd4 ba3,613 sqft
$550,00011 Groton RdTyngsborough, MA3 bd1 ba1,718 sqft
$1,079,9003 Ava LnTyngsborough, MA4 bd3 ba3,412 sqft
$1,550,00011 Lawndale RdTyngsborough, MA4 bd3 ba4,344 sqft
$1,100,00015 - 17 Lawndale RdTyngsborough, MA
$1,390,00072 Alpine WayTyngsborough, MA4 bd4 ba3,068 sqft


