21 Chadbourne RoadLexington, MA 02421MLS Number 73503179

Price: $3,965,000
Est. Mortgage of $/month
29 Days on Market

EXTRAORDINARY OFFERING: Poised atop a private ½-acre lot at the end of a cul-de-sac, this custom designed & Phelan-built home showcases a level of finish rarely seen, w/ top-tier appliances, premium materials & custom millwork throughout. Elegant & expansive, this 5 BR, 5.5 bath home is meticulously designed w/ not a single detail overlooked & includes a luxurious separate apartment finished to the same exacting standard, as well as an exceptional finished lower level w/ gym, office, playroom & media room. Outdoor living is equally impressive w/ professionally landscaped grounds, a significant bluestone patio w/ built-in gas grill, fireplace & outdoor TV. The most critical elements, though less apparent, include state-of-the-art electrical & HVAC systems, superior insulation & high-performance infrastructure throughout, ensuring lasting quality. Built for efficiency & long-term performance, this home feels like new with a level of quality beyond today's new construction. Must See!

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Basic Information

Bedrooms5
Mls StatusActive
Bathroom6
Listing Terms Contract
Lot Features Cul-De-Sac, Wooded
Parcel Number 210,547184
Road Frontage DescriptionPaved

Basic Information

List Price$3,965,000
MLS Number73503179
Modification Date05/08/2026
Property SubTypeSingle Family Residence

Building

Attached Garage YN Yes
BasementFull, Finished, Interior Entry
Building Area Units Square Feet
Construction Materials Frame
Door Features Insulated Doors, French Doors
FireplaceYes
Fireplace Features Family Room
Fireplaces Total 1
FoundationConcrete Perimeter
Garage Spaces2
Patio And Porch Features Porch, Patio
Property StyleCape, Contemporary
Rooms14
Utilities
- For Electric Oven
- For Gas Range
- Generator Connection
- Icemaker Connection
- Outdoor Gas Grill Hookup
- Washer Hookup
Window Features Insulated Windows, Screens
Year Built2018
Year Built Details Actual
Year Built Source Owner

Property Information

Square Feet6,776
Building Area Source Measured
Living Area 6,776
Lot Size Square Feet 21,940
Lot Size Units Acres
Road Responsibility Public Maintained Road
View YN Yes

Tax Information

Tax Assessed Value $2,948,000
Tax Year 2026
Taxes$36,289

Parking

Parking Spaces6
Covered Spaces 2
Garage YN Yes
Open Parking YN Yes
Parking Features
- Attached
- Garage Door Opener
- Garage Faces Side
- Heated Garage
- Insulated
- Off Street
- Oversized
- Paved
- Paved Drive
- Storage
- Workshop in Garage

Location

Address21 Chadbourne Road
Building Number21
CountyMiddlesex
StateMA
StreetChadbourne Road
TownLexington
Zip02421

Property

Acreage0.5
Frontage Length 126

Interior

Flooring
- Flooring - Hardwood
- Flooring - Stone/Ceramic Tile
- Hardwood
- Laminate
- Marble
- Tile
Interior Features
- Accessory Apt.
- Bathroom
- Bathroom - Full
- Bathroom - Tiled With Shower Stall
- Beadboard
- Cabinets - Upgraded
- Cable Hookup
- Closet
- Closet - Double
- Closet - Linen
- Closet/Cabinets - Custom Built
- Countertops - Stone/Granite/Solid
- Countertops - Upgraded
- Crown Molding
- Decorative Molding
- Dining Area
- Entrance Foyer
- High Speed Internet
- High Speed Internet Hookup
- Lighting - Overhead
- Lighting - Pendant
- Media Room
- Mud Room
- Open Floorplan
- Play Room
- Recessed Lighting
- Storage
- Vaulted Ceiling(s)
- Walk-In Closet(s)
- Wet Bar
- Wet bar
- Wired for Sound

Amenities

Amenities
- Bike Path
- Conservation Area
- Golf
- Highway Access
- House of Worship
- Laundromat
- Medical Facility
- Park
- Pool
- Private School
- Public School
- Public Transportation
- Shopping
- Tennis Court(s)
- Walk/Jog Trails
Appliances IncludedWater Heater, Tankless Water Heater, Range, Dishwasher, Disposal, Microwave, Indoor Grill, Refrigerator, Washer, Dryer, Wine Refrigerator, Range Hood, Wine Cooler, Plumbed For Ice Maker
Green Energy Efficient Thermostat
Security Features Security System

School Information

High School Lexington
Elementary SchoolBowman
High SchoolLexington
Junior HighClarke

Rooms

Bathroom 1 Main, First,13 x 12
Bathroom 2 Second,16 x 10
Bathroom 3 Second,9 x 10
Bathrooms Total Decimal 5.5
Bedroom 2 Second,27 x 20
Bedroom 3 Second,15 x 14
Bedroom 4 Second,15 x 13
Bedroom 5 Second,22 x 24
Dining Room Main, First,15 x 14
Family Room Main, First,28 x 18
Full Bath5
Half Baths1
Kitchen Main, First,33 x 16
Living Room First
Main Level Bathrooms 1
Main Level Bedrooms 1
Master Bedroom Main, First,24

Exterior

Exterior Features
- Decorative Lighting
- Fenced Yard
- Outdoor Gas Grill Hookup
- Patio
- Porch
- Professional Landscaping
- Rain Gutters
- Screens
- Sprinkler System
- Stone Wall
- Storage
Fencing Fenced/Enclosed, Fenced
RoofShingle

Utilities

Cooling Central Air
Cooling YN Yes
Electric Generator, Generator Connection
Heat SystemYes
Heating Radiant, Propane
Sewer Public Sewer
Water Source Public

Legal

ZoningRO

Other

Date Listed04/16/2026
Farm Land Area Units Square Feet
View Count1

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. (MLSPIN) from third party sources, including sellers, lessors and public records, and were compiled by MLSPIN. The property listing data and information, and the Images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLSPIN and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.

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21 Chadbourne RoadLexington, MA 02421MLS Number 73503179

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More Info

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Property

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Exterior

Utilities

Legal

Other

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