
21 Chadbourne Road Lexington — Photo 1 of 36
$3,495,000
21 Chadbourne Road, Lexington, MA 02421
Lexington, MA 02421
Beds
5
Baths
5.5
SqFt
6,776
Style
Single Family
Built
2018
GRAND CAPE — Poised atop a private ½-acre lot at the end of a cul-de-sac, this custom-designed home offers an extraordinary combination of craftsmanship & privacy. Only 8 years young, it feels virtually brand new, with premium materials, custom millwork & commercial-grade systems throughout. The gracious first floor features a two-story foyer, elegant formal dining area, expansive kitchen w/ breakfast bar, eat-in area & Sub-Zero & Wolf appliances, plus a primary suite. At the heart of the home, a stunning great room w/ beverage fridge, bar sink & gas fireplace is highlighted by sliders & walls of windows overlooking the beautiful outdoor setting. The second floor boasts three additional bedrooms including a second primary suite. Ideally separated from the main living area, a private in-law suite, finished to the same exacting standards, provides an ideal retreat for guests or extended family. The finished lower level offers a gym, office, playroom, full bath & media room. Outside, professionally landscaped grounds surround a substantial bluestone patio w/ built-in gas grill, fireplace & outdoor TV. Beneath it all are state-of-the-art electrical & HVAC systems, superior insulation & high-performance infrastructure designed for efficiency, durability & long-term performance. A rare opportunity to own a home built to a standard seldom found in today’s construction, combining enduring craftsmanship with effortless modern living.
Key facts
It was listed on September 9, 2026. The annual property taxes are $36,290 (2026 tax year). It sits on a 0.5-acre (21,940 sq ft) lot.
Market Value Analysis
* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Lexington, MA.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Water Heater • Tankless Water Heater • Range • Dishwasher • Disposal • Microwave • Indoor Grill • Refrigerator • Washer • Dryer • Wine Refrigerator • Range Hood • Wine Cooler • Plumbed For Ice Maker
Neighborhood
Public Transportation • Shopping • Pool • Tennis Court(s) • Park • Walk/Jog Trails
Geography
Floorplan Breakdown
Structural Layout
Living Room
Lvl FirstDining Room
Lvl Main,First15 x 14
Flooring - Hardwood, Wet Bar, Chair Rail, Open Floorplan, Recessed Lighting, Wainscoting, Lighting - Pendant, Crown Molding
Kitchen
Lvl Main,First33 x 16
Closet/Cabinets - Custom Built, Flooring - Hardwood, Window(s) - Bay/Bow/Box, Dining Area, Pantry, Countertops - Stone/Granite/Solid, Countertops - Upgraded, Kitchen Island, Wet Bar, Breakfast Bar / Nook, Cabinets - Upgraded, Deck - Exterior, Exterior Access, Open Floorplan, Recessed Lighting, Slider, Stainless Steel Appliances, Gas Stove, Lighting - Pendant, Crown Molding, Decorative Molding
Family Room
Lvl Main,First28 x 18
Bathroom - Half, Coffered Ceiling(s), Flooring - Hardwood, French Doors, Wet Bar, Cable Hookup, Exterior Access, Open Floorplan, Recessed Lighting, Slider, Storage, Crown Molding, Decorative Molding
Primary Bedroom
Lvl Main,First24 x 14
Bathroom - Full, Closet - Linen, Walk-In Closet(s), Closet/Cabinets - Custom Built, Flooring - Hardwood, Cable Hookup, Double Vanity, Dressing Room, Recessed Lighting, Lighting - Sconce, Crown Molding, Decorative Molding
Bedroom 2
Lvl Second27 x 20
Bedroom 3
Lvl Second15 x 14
Walk-In Closet(s), Closet/Cabinets - Custom Built, Flooring - Hardwood, Cable Hookup, High Speed Internet Hookup, Recessed Lighting, Lighting - Overhead, Crown Molding, Decorative Molding
Bedroom 4
Lvl Second15 x 13
Walk-In Closet(s), Closet/Cabinets - Custom Built, Flooring - Hardwood, Lighting - Overhead, Crown Molding, Decorative Molding
Bedroom 5
Lvl Second22 x 24
Bathroom - Full, Closet, Flooring - Hardwood, High Speed Internet Hookup, Lighting - Overhead, Crown Molding, Closet - Double, Decorative Molding
Bathroom 1
Lvl Main,First13 x 12
Bathroom - Full, Bathroom - Double Vanity/Sink, Bathroom - With Tub & Shower, Closet - Linen, Flooring - Stone/Ceramic Tile, Flooring - Marble, Countertops - Stone/Granite/Solid, Jacuzzi / Whirlpool Soaking Tub, Cabinets - Upgraded, Double Vanity, Recessed Lighting, Lighting - Sconce, Crown Molding, Decorative Molding, Soaking Tub
Bathroom 2
Lvl Second16 x 10
Bathroom - Full, Bathroom - Tiled With Shower Stall, Closet - Linen, Flooring - Stone/Ceramic Tile, Flooring - Marble, Countertops - Stone/Granite/Solid, Cabinets - Upgraded, Recessed Lighting, Lighting - Sconce, Crown Molding, Decorative Molding
Bathroom 3
Lvl Second9 x 10
Bathroom - Full, Bathroom - Tiled With Tub & Shower, Closet - Linen, Flooring - Marble, Countertops - Stone/Granite/Solid, Cabinets - Upgraded, Recessed Lighting, Lighting - Sconce, Crown Molding, Decorative Molding
Property History
$3,495,000
Sep 9, 2026
MLS® 73571946
$3,965,000
Jun 25, 2026
MLS® 73503179
$3,965,000
Apr 16, 2026
MLS® 73503179
Questions about this home
When was 21 Chadbourne Road, Lexington listed?
21 Chadbourne Road, Lexington was listed on September 9, 2026.
Has the price of 21 Chadbourne Road, Lexington changed?
The price hasn't changed since it was listed at $3,495,000.
What are the property taxes for 21 Chadbourne Road, Lexington?
The annual property taxes for 21 Chadbourne Road, Lexington are $36,290 (2026 tax year).
How big is the lot at 21 Chadbourne Road, Lexington?
21 Chadbourne Road, Lexington sits on a 0.5-acre (21,940 sq ft) lot.
What is the status of 21 Chadbourne Road, Lexington?
21 Chadbourne Road, Lexington is actively listed for sale.
Population
18,080
U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)
Median Household Income
$228K
U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)
Renter-Occupied Homes
24.1%
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 6,776 sq ft principal dwelling). Lot size: 21,940 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: Coleman Group
Listing Office: William Raveis R.E. & Home Services
MLS® Number: 73571946
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