SOLD NOV 3, 2026

Sold today

$3,550,000

•

7,123

sq ft

21 Balfour St, Lexington, MA 02421

Track this home’s value and nearby sales activity

About this home

Outstanding new construction Colonial by top development group featuring superb craftsmanship and exquisite details throughout highlighting the finest millwork, cabinetry and built-ins. A brilliantly designed main level with front and rear staircases, designer kitchen with extensive custom cabinetry, oversized island, Wolf appliances and separate Sub-Zero refrigerator and freezer, along with a butler's pantry and separate prep kitchen. The flexible layout throughout provides options for a bedroom/office on main level, as well as, the lower level. Five generous bedrooms on the second level including the stunning primary suite will exceed all expectations. The finished walk-out lower level offers wonderful entertainment options with beverage center, full bath, recreational and exercise areas leading out to an expansive stone patio, custom designed deck and sprawling gorgeous backyard. Located in a sought after neighborhood with easy access to the town center and numerous amenities.

Single-familyProperty Type

2026Year Built

0.67 acresLot Size

$498Price/Sq.Ft.

2 garage spacesParking

Listed by The Joyce Team • Compass

Listed by Compass

Bought with Suraj Tamrakar • Keynova Group LLC

Redfin checked: a minute ago

•Source:MLS PIN #73519860

Redfin Estimate

$4,466,457

$916K since sold in November 2026$107K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 33% higher than the average sale price ($3.36M) of 5 comparable homes.

SOLD AUG 17, 2026
$3,438,000
A
6 beds6 baths6,557 sq ft
92 Hill St, Lexington, MA 02421
SOLD AUG 31, 2026
$3,980,000
B
6 beds6.5 baths6,050 sq ft
22 Nickerson Rd, Lexington, MA 02421
SOLD JUN 11, 2026
$2,658,150
C
5 beds5 baths5,004 sq ft
46 Asbury St, Lexington, MA 02421
SOLD AUG 20, 2026
$3,910,500
D
5 beds6.5 baths6,204 sq ft
6 Juniper Pl, Lexington, MA 02420
SOLD JUN 26, 2026
$2,810,000
E
6 beds7 baths5,940 sq ft
8 Lake St, Lexington, MA 02421

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Market trends in 02421, MA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

100.9%

0.3% MoM

Median sale price

$1.7M

$31K MoM

Avg. days on market

33d

8 days MoM

Recently sold homes

22 MoM

New listings for sale

NEW 2 HRS AGO
$3,395,000
5 beds5.5 baths5,001 sq ft
11 Common Ct #11, Lexington, MA 02421
NEW 2 HRS AGO
$3,395,000
5 beds5.5 baths5,001 sq ft
11 Common Ct, Lexington, MA 02421
$1,889,000
4 beds3.5 baths2,779 sq ft
19 Vine Brook Rd, Lexington, MA 02421
COMING SOON
$2,850,000
7 beds6.5 baths6,800 sq ft
26 Webster Rd, Lexington, MA 02421
EARLY ACCESS
$1,979,000
4 beds4 baths4,548 sq ft
6 Lake St, Lexington, MA 02421
EARLY ACCESS
$1,450,000
4 beds2 baths2,060 sq ft
20 Taft Ave, Lexington, MA 02421
$3,288,000
5 beds6 baths4,935 sq ft
10 Willard Cir, Lexington, MA 02421
$1,995,000
5 beds2.5 baths4,023 sq ft
17 Sutherland Rd, Lexington, MA 02421
$3,195,000
6 beds6.5 baths7,583 sq ft
5 Sunset Rdg, Lexington, MA 02421
See all

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Rental estimate

Est. $8,394 per month, based on comparable rentals

Sale and tax history for 21 Balfour St

Sale History
Tax History

Year

Property tax

Land + Additions

Assessment*

2026

$41,472 (+228.6%)

$1,005,000 + $2,364,000

$3,369,000

2025

$12,621 (+3.6%)

$798,000 + $234,000

$1,032,000

2024

$12,177 (+4.3%)

$760,000 + $234,000

$994,000

2023

$11,674 (+3.9%)

$691,000 + $207,000

$898,000

2022

$11,233 (+0.3%)

$628,000 + $186,000

$814,000

2021

$11,195 (+1.8%)

$598,000 + $180,000

$778,000

2020

$11,001 (+4.7%)

$598,000 + $185,000

$783,000

2019

$10,505 (+6.2%)

$570,000 + $174,000

$744,000

2018

$9,896 (+4.3%)

$543,000 + $149,000

$692,000

2017

$9,491 (+3.8%)

$517,000 + $138,000

$655,000

2016

$9,140 (+15.3%)

$492,000 + $134,000

$626,000

2014

$7,926 (+2.2%)

$407,000 + $104,000

$511,000

2013

$7,752 (+2.1%)

$407,000 + $103,000

$510,000

2012

$7,590 (+8.0%)

$407,000 + $100,000

$507,000

2011

$7,027 (+3.9%)

$388,000 + $100,000

$488,000

2010

$6,764 (+2.7%)

$388,000 + $100,000

$488,000

2009

$6,589

$408,000 + $100,000

$508,000

Public record

Public record
Permits

Beds

Baths

7.5

Stories

Lot width

—

Lot depth

—

Lot size

0.68 Acres

Year renovated

—

Sq. Ft.

5,550

Year built

2025

Style

Single Family Residential

County

Middlesex County

APN

2288689S

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 10, 2026.

Mar 2, 2026 • Final

New construction

Construct a new single-family home.

New construction

Sep 14, 2025 • Final

Demolition - full building

Demolish an existing structure.

Demolition

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Parking

Parking Information
Has Garage
Has Open Parking
# of Garage Spaces: 2
# of Covered Spaces: 2
Open Parking Spaces: 8
Parking Spaces: 10
AttachedGarageYN: Yes
Parking Features: Attached, Garage Door Opener, Heated Garage, Paved Drive, Off Street

Interior

Master Bedroom Information
Level: Second
Features: Bathroom - Full,Bathroom - Double Vanity/Sink,Walk-In Closet(s),Closet/Cabinets - Custom Built,Flooring - Hardwood,Recessed Lighting,Lighting - Overhead,Tray Ceiling(s)

Bedroom #2 Information
Level: Second
Features: Bathroom - Full,Bathroom - Double Vanity/Sink,Closet/Cabinets - Custom Built,Flooring - Hardwood,Recessed Lighting

Bedroom #3 Information
Level: Second
Features: Bathroom - Full,Bathroom - Double Vanity/Sink,Closet/Cabinets - Custom Built,Flooring - Hardwood,Recessed Lighting

Bedroom #4 Information
Level: Second
Features: Bathroom - Full,Closet/Cabinets - Custom Built,Flooring - Hardwood,Recessed Lighting

Bedroom #5 Information
Level: Second
Features: Bathroom - Full,Closet/Cabinets - Custom Built,Flooring - Hardwood,Recessed Lighting

Bathroom Information
# of Bathrooms (Full): 6
# of Bathrooms (Half): 1
Master Bathroom Features: Yes

Bathroom #1 Information
Level: Second
Features: Bathroom - Full,Bathroom - Double Vanity/Sink,Bathroom - Tiled With Shower Stall,Flooring - Stone/Ceramic Tile,Countertops - Stone/Granite/Solid,Double Vanity,Recessed Lighting,Crown Molding,Soaking Tub

Bathroom #2 Information
Level: Second
Features: Bathroom - Full,Bathroom - Double Vanity/Sink,Bathroom - Tiled With Tub & Shower,Flooring - Stone/Ceramic Tile,Countertops - Stone/Granite/Solid,Double Vanity,Recessed Lighting,Crown Molding

Bathroom #3 Information
Level: First
Features: Bathroom - Full,Bathroom - Tiled With Shower Stall,Flooring - Stone/Ceramic Tile,Recessed Lighting,Crown Molding

Living Room Information
Level: First
Features: Closet/Cabinets - Custom Built,Flooring - Hardwood,Open Floorplan,Recessed Lighting,Wainscoting,Lighting - Overhead,Archway,Crown Molding

Family Room Information
Level: First
Features: Coffered Ceiling(s),Closet/Cabinets - Custom Built,Flooring - Hardwood,Recessed Lighting,Wainscoting

Dining Room Information
Level: First
Features: Closet/Cabinets - Custom Built,Flooring - Hardwood,Recessed Lighting,Wainscoting,Lighting - Overhead,Archway,Crown Molding,Tray Ceiling(s)

Kitchen Information
Level: First
Features: Closet/Cabinets - Custom Built,Flooring - Hardwood,Dining Area,Pantry,Countertops - Stone/Granite/Solid,Kitchen Island,Deck - Exterior,Exterior Access,Recessed Lighting,Stainless Steel Appliances,Storage,Wine Chiller,Lighting - Pendant,Crown Molding

Office Room Information
Level: First
Features: Bathroom - Full,Bathroom - Tiled With Shower Stall,Closet/Cabinets - Custom Built,Flooring - Hardwood,French Doors,Recessed Lighting,Wainscoting,Crown Molding

Basement Information
Basement: Full, Finished, Walk-Out Access, Interior Entry

Laundry Information
Laundry Features: Closet/Cabinets - Custom Built, Sink, Second Floor, Electric Dryer Hookup, Washer Hookup

Fireplace Information
Has Fireplace
# of Fireplaces (Total): 2
Fireplace Features: Family Room, Master Bedroom

Appliances
Appliances: Water Heater, Range, Oven, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Wine Refrigerator, Range Hood, Other, Wine Cooler, Second Dishwasher

Interior Features
# of Rooms (Total): 13
Door Features: French Doors
Window Features: Insulated Windows, Screens
Flooring: Tile, Carpet, Hardwood, Flooring - Hardwood
Interior Features: Bathroom - Full, Bathroom - Tiled With Shower Stall, Closet/Cabinets - Custom Built, Recessed Lighting, Wainscoting, Crown Molding, Walk-In Closet(s), Lighting - Overhead, Wet Bar, Countertops - Stone/Granite/Solid, Office, Bedroom, Game Room, Kitchen, Central Vacuum, Wet Bar, Wired for Sound, High Speed Internet, Other

Exterior

Building Information
Building Area (Total): 7,123
Foundation Details: Concrete Perimeter
Construction Materials: Frame
Year Built Source: Builder
Year Built Details: Actual,Finished, Never Occupied
Lead Paint: None

Exterior Features
Roof: Shingle, Metal
Patio And Porch Features: Deck, Patio
Exterior Features: Deck, Patio, Rain Gutters, Professional Landscaping, Sprinkler System, Decorative Lighting, Screens, Stone Wall

Property Information
Accessibility Features: Accessible Entrance
PropertySubType: Single Family Residence
Above Grade Finished Area: 5517
Below Grade Finished Area: 1606
Green Energy Efficient : Thermostat, Other (See Remarks)
Green Energy Generation: Solar
ADU: N

Lot Information
Lot Size (Acres): 0.67
Lot Features: Cleared
Road Frontage Type: Public
Road Responsibility: Public Maintained Road

Financial

Tax Information
Tax Year: 2026

Utilities

Utility Information
Utilities: for Electric Range, for Electric Dryer, Washer Hookup
Sewer: Public Sewer
Water Source: Public
Electric: Circuit Breakers

Heating & Cooling
Has Heating
Has Cooling
Heating: Central, Forced Air, Heat Pump, Electric
Cooling: Central Air, Heat Pump

Location

School Information
Elementary School: Hastings
Middle Or Junior School: Diamond
High School: Lhs

Location Information
Directions: Massachusetts Avenue to Cedar Street to Balfour Street
UnparsedAddress: 21 Balfour Street, Lexington MA 02421

Community Information
Senior CommunityYN: No
Community Features: Public Transportation, Shopping, Pool, Tennis Court(s), Park, Walk/Jog Trails, Golf, Medical Facility, Bike Path, Conservation Area, Highway Access, House of Worship, Public School

Public facts

Beds: 6
Baths: 7.5
Sq. Ft.: 5,550
Stories: 2.0
Lot Size: 0.68 acres
Style: Single Family Residential
Year Built: 2025
Year Renovated: —
County: Middlesex County
APN: 2288689S

Home facts updated by county records on Sep 10, 2026

Other

Miscellaneous Information
Heat Zones: 4

Listing Information
StandardStatus: Closed

Around this home

Schools

Maria Hastings Elementary School

Public K-5 • Assigned • 0.5mi

10/10

Wm Diamond Middle School

Public 6-8 • Assigned • 1.3mi

9/10

Lexington High School

Public 9-12 • Assigned • 1.0mi

10/10

Provided by GreatSchools

Local insights from Redfin agents

Lexington continues to be a competitive Seller's market driven by its historic appeal & location. With buildable land exhausted, true inventory growth is very constrained; development mostly replaces existing homes. New zoning laws will eventually...
1 month ago • Lexington
Benjamin Ginsburg
Redfin Premier agent
155 deals
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Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

5/10 Heat Factor

7 days above 98° expected this year, 15 days in 30 years

6/10 Wind Factor

27% chance of strong winds in next 30 years

3/10 Air Factor

2 unhealthy days expected this year, 3 days in 30 years

Provided by First Street

Historical weather

Lexington, MA • 02421

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

48/ 100

Low sunlight

Sunscore

There appears to be significant shading by surrounding buildings, terrain, and vegetation.

5.7 hrs

1.1 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$4.24M – $5.14M

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Home values near 21 Balfour St

Data from public records.

Address	Redfin Estimate
35 Balfour St, Lexington, MA 3 Beds \| 3.5 Baths \| 2507 Sq. Ft.	$1,572,867
15 Balfour St, Lexington, MA 6 Beds \| 6 Baths \| 5000 Sq. Ft.	$2,696,111

Address	Redfin Estimate
29 Balfour St, Lexington, MA 5 Beds \| 3 Baths \| 2744 Sq. Ft.	$1,474,001
9 Balfour St, Lexington, MA 4 Beds \| 3 Baths \| 2492 Sq. Ft.	$1,596,757

Address	Redfin Estimate
25 Balfour St, Lexington, MA 2 Beds \| 2 Baths \| 1650 Sq. Ft.	$1,194,395
5 Balfour St, Lexington, MA 3 Beds \| 1.5 Baths \| 1664 Sq. Ft.	$1,121,840

Property information provided by MLS PIN when last listed in 2026. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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