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I'm Andrew Goldberg, a Boston real estate advisor specializing in first-time buyers across Greater Boston. I guide you A to Z—from first search to closing day.

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Commonwealth Standard Realty Advisors

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Equal Housing Opportunity. Information deemed reliable but not guaranteed.

  1. Home
  2. Listings
  3. 20 Emerald St, Tyngsborough, MA 01879
Active
64 Days on market
20 Emerald St Tyngsborough — Photo 1 of 42

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

This Property
Size (SqFt) →Price →
This Property$350/sqft
Local Avg (Tyngsborough)$317/sqft
10% AboveMarket Average

* Analysis is based on 9 actively listed and recently sold comparable properties strictly within Tyngsborough, MA.

Property Details

Financials

Original Price$1,195,000
Annual Taxes$9,961

Parking

Garage2
Off-Street6

Interior Specifications

Total Rooms10
Fireplaces1
FlooringWood, Tile, Carpet
BasementFull, Partially Finished, Walk-Out Access, Interior Entry, Concrete

Climate & Utilities

HeatingForced Air, Natural Gas
CoolingCentral Air
WaterPublic
SewerPublic Sewer

Building & Exterior

ConstructionFrame
RoofShingle
FoundationConcrete Perimeter
ZoningR1

Property & Lot

Acres0.86
SqFt Lot37,374
Lot FeaturesGentle Sloping, Level

Amenities & Appliances

Gas Water Heater • Oven • Dishwasher

Neighborhood

Public Transportation • Shopping • Park • Walk/Jog Trails • Golf • Medical Facility

Geography

Floorplan Breakdown

Structural Layout

Second
Master BedroomBedroom 2Bedroom 3
First
Dining RoomKitchenOfficeFamily Room
Dining Room
Lvl First

14 x 12

Kitchen
Lvl First

25 x 13

Office
Lvl First

14 x 12

Family Room
Lvl First

23 x 24

Master Bedroom
Lvl Second

16 x 14

Bedroom 2
Lvl Second

14 x 11

Bedroom 3
Lvl Second

14 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.

Full Tyngsborough, MA market report ZIP 01879 market data
Listing Provided By

Listing Agent: Dennis Page

Listing Office: LAER Realty Partners

MLS® Number: 73539441

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