121 Lexington St Burlington — Photo 1 of 42
Recent Drop: $100,000
$2,199,999
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.
Key facts
It was listed on July 9, 2026. The price has come down from an original $2,399,999 to $2,199,999 across 2 changes, most recently on September 10, 2026. The annual property taxes are $13,274 (2026 tax year). It sits on a 0.81-acre (35,201 sq ft) lot.
Immersive Experience
Market Value Analysis
* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Burlington, MA.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Gas Water Heater • Refrigerator
Neighborhood
Public Transportation • Shopping • Pool • Tennis Court(s) • Park • Walk/Jog Trails
Geography
Floorplan Breakdown
Structural Layout
Dining Room
Lvl First12.6 x 15.11
Coffered Ceiling(s), Flooring - Hardwood, Window(s) - Bay/Bow/Box, Chair Rail, Recessed Lighting, Crown Molding
Kitchen
Lvl First20.1 x 14.4
Office
Lvl First12.2 x 7.1
Flooring - Hardwood, Recessed Lighting, Crown Molding
Primary Bedroom
Lvl Second26 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 Second12.6 x 11.8
Bedroom 3
Lvl Second16.7 x 11.11
Closet, Flooring - Hardwood
Bedroom 4
Lvl Second12.4 x 11.8
Closet, Flooring - Hardwood
Bedroom 5
Lvl Third12.6 x 12.7
Bathroom - Full, Closet, Flooring - Wall to Wall Carpet, Recessed Lighting
Bathroom 1
Lvl First4.8 x 15.1
Bathroom - Half
Bathroom 2
Lvl Second8.6 x 9.8
Bathroom - Full, Flooring - Stone/Ceramic Tile
Bathroom 3
Lvl Second9.9 x 5
Bathroom - Full, Flooring - Stone/Ceramic Tile
Property History
$2,199,999
Was $2,299,999
Sep 10, 2026
MLS® 73547498
$2,299,999
Was $2,399,999
Aug 15, 2026
MLS® 73547498
$2,399,999
Jul 9, 2026
MLS® 73547498
Questions about this home
When was 121 Lexington St, Burlington listed?
121 Lexington St, Burlington was listed on July 9, 2026.
Has the price of 121 Lexington St, Burlington changed?
The price has come down from an original $2,399,999 to $2,199,999 across 2 changes, most recently on September 10, 2026.
What are the property taxes for 121 Lexington St, Burlington?
The annual property taxes for 121 Lexington St, Burlington are $13,274 (2026 tax year).
How big is the lot at 121 Lexington St, Burlington?
121 Lexington St, Burlington sits on a 0.81-acre (35,201 sq ft) lot.
What is the status of 121 Lexington St, Burlington?
121 Lexington St, Burlington is actively listed for sale.
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
2,698 housing units permitted in the last 12 months (+3% vs the prior 12 months) — 1,713 in 5+ unit buildings
U.S. Census Bureau, Building Permits Survey (through Jul '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.
Listing Agent: Paul A. Conti
Listing Office: Paul Conti Real Estate
MLS® Number: 73547498
