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Equal Housing Opportunity. Information deemed reliable but not guaranteed.

  1. Home
  2. Listings
  3. 121 Lexington St, Burlington, MA 01803
Active
48 Days on market
121 Lexington St Burlington — Photo 1 of 42

121 Lexington St Burlington — Photo 1 of 42

Recent Drop: $100,000

$2,399,999
$2,299,999

$2,299,999

121 Lexington St, Burlington, MA 01803

Burlington, MA 01803

Beds

5

Baths

4.5

SqFt

4,700

Style

Single Family

Built

2026

Exceptional new construction Colonial by a top Burlington builder, perfectly sited on a gorgeous nearly one-acre lot in a fantastic location! Designed with timeless style and quality craftsmanship, this home features an oversized chef's kitchen with double islands, a walk-in pantry, formal dining room with custom millwork, and a stunning fireplaced great room with beamed ceiling and walls of windows. The second floor offers 4 bedrooms, including a luxurious primary suite with sitting room, multiple closets, and spa-like bath, plus a second en-suite bedroom and convenient laundry room. The finished walk-up attic includes a bonus room, full bath, and 5th bedroom perfect for in-law/au pair. The walk-out basement offers extra-high ceilings, rough plumbing for a future bath, and outstanding expansion potential.

Immersive Experience

BestHDTour.com

Market Value Analysis

This Property
Size (SqFt) →Price →
This Property$489/sqft
Local Avg (Burlington)$424/sqft
15% AboveMarket Average

* Analysis is based on 23 actively listed and recently sold comparable properties strictly within Burlington, MA.

Property Details

Financials

Original Price$2,399,999
Annual Taxes$13,274

Parking

Garage2
Off-Street8

Interior Specifications

Total Rooms11
Fireplaces1
FlooringTile, Hardwood, Flooring - Hardwood, Flooring - Wall to Wall Carpet, Flooring - Stone/Ceramic Tile
BasementFull, Walk-Out Access

Climate & Utilities

HeatingForced Air, Natural Gas, Fireplace(s)
CoolingCentral Air
WaterPublic
SewerPublic Sewer

Building & Exterior

ConstructionFrame
RoofAsphalt/Composition Shingles
FoundationConcrete Perimeter
ZoningRO

Property & Lot

Acres0.81
SqFt Lot35,201
Lot FeaturesCleared, Level, Other

Amenities & Appliances

Gas Water Heater • Refrigerator

Neighborhood

Public Transportation • Shopping • Pool • Tennis Court(s) • Park • Walk/Jog Trails

Geography

Floorplan Breakdown

Structural Layout

Third
Bedroom 5
Second
Master BedroomBedroom 2Bedroom 3Bedroom 4Bathroom 2Bathroom 3
First
Dining RoomKitchenOfficeBathroom 1
Dining Room
Lvl First

12.6 x 15.11

Coffered Ceiling(s), Flooring - Hardwood, Window(s) - Bay/Bow/Box, Chair Rail, Recessed Lighting, Crown Molding

Kitchen
Lvl First

20.1 x 14.4

Office
Lvl First

12.2 x 7.1

Flooring - Hardwood, Recessed Lighting, Crown Molding

Master Bedroom
Lvl Second

26 x 26.6

Bathroom - Full, Bathroom - Double Vanity/Sink, Ceiling Fan(s), Closet - Linen, Walk-In Closet(s), Closet, Flooring - Hardwood, Recessed Lighting

Bedroom 2
Lvl Second

12.6 x 11.8

Bedroom 3
Lvl Second

16.7 x 11.11

Closet, Flooring - Hardwood

Bedroom 4
Lvl Second

12.4 x 11.8

Closet, Flooring - Hardwood

Bedroom 5
Lvl Third

12.6 x 12.7

Bathroom - Full, Closet, Flooring - Wall to Wall Carpet, Recessed Lighting

Bathroom 1
Lvl First

4.8 x 15.1

Bathroom - Half

Bathroom 2
Lvl Second

8.6 x 9.8

Bathroom - Full, Flooring - Stone/Ceramic Tile

Bathroom 3
Lvl Second

9.9 x 5

Bathroom - Full, Flooring - Stone/Ceramic Tile

Property History

Price Drop
$2,299,999

Was $2,399,999

Aug 15, 2026

MLS® 73547498

Listed
$2,399,999

Jul 9, 2026

MLS® 73547498

Population

26,274

U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)

Median Household Income

$146K

U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)

Renter-Occupied Homes

25.8%

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 4,700 sq ft principal dwelling). Lot size: 35,201 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 Burlington, MA market report ZIP 01803 market data
Listing Provided By

Listing Agent: Paul A. Conti

Listing Office: Paul Conti Real Estate

MLS® Number: 73547498

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