Active
38 Days on market
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
2022
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
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Market Value Analysis
This Property
Size (SqFt) →Price →This Property$489/sqft
Local Avg (Burlington)$422/sqft
16% 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 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
Master 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
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.
Listing Provided By
Listing Agent: Paul A. Conti
Listing Office: Paul Conti Real Estate
MLS® Number: 73547498
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