Last Sold Price
3 beds2,133 sqft$349/sqft
21 Flagg Rd, Westford, MA 01886

Description

Set on a pretty lot in a Westford Center location, this lovely 3-bedroom home is ready for new owners! Features that make this home a great value include a BRAND NEW FURNACE (installed October 2025), Genrac whole-house generator, central AC, 2-car attached garage, energy-saving solar panels and hardwood flooring that runs throughout most of the home. The main level offers a formal living room with cozy corner fireplace and picture window, a formal dining room, an open-concept kitchen/family room...Set on a pretty lot in a Westford Center location, this lovely 3-bedroom home is ready for new owners! Features that make this home a great value include a BRAND NEW FURNACE (installed October 2025), Genrac whole-house generator, central AC, 2-car attached garage, energy-saving solar panels and hardwood flooring that runs throughout most of the home. The main level offers a formal living room with cozy corner fireplace and picture window, a formal dining room, an open-concept kitchen/family room with plenty of cabinet space and a second fireplace, a half bath, and a sun room with loads of natural light. Three bedrooms and two baths are on the second floor, including a primary suite with its own private bath. The walk-out basement has plenty of storage space and potential for future finished area. Westford Academy and elementary schools (along with playgrounds and tennis courts) are nearby.
LISTING CLOSED: 01/16/2026 12:00 AM

  1. Listed by St. Martin Team • Barrett Sotheby's International Realty
  2. Listed by Beth Paulauskas • Barrett Sotheby's International Realty

Property Details for 21 Flagg Road

Status
MLS #
73456154
Days on Market
30
Taxes
$9,075 / year
HOA Fees
-
Property Type
MLS Type
Single Family / Detached
Year Built
1972
Town
Westford
Area
MA-Westford
Architectural Style
Colonial
Style
Colonial
Garage Spaces
2
Open Parking Spaces
8.00
Parking Spaces Total
8

Recent comparable sales

Median sold price

$830,000

Avg days on market

13

Sale-to-list ratio

104.1%

Westford, MA

9 comparable properties found

a front view of a house with a yard and garage
1/31
1

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3
Bedrooms
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Square Feet
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Acres
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3
Bedrooms
1,972
Square Feet
0.92
Acres
$743,000 | 17 West Street, Westford, MA 01886
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Bedrooms
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Square Feet
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Acres
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4

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Bedrooms
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Acres
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5

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Sold 11/08/24

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Acres
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Sold 05/23/25

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Bedrooms
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Square Feet
0.23
Acres
$827,000 | 20 Bayberry Road, Westford, MA 01886
1/36
7

$827,000

Sold 05/28/26

3
Bedrooms
2,305
Square Feet
1.52
Acres
a front view of a house with a yard
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8

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Sold 09/05/24

3
Bedrooms
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Square Feet
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Acres
a front view of a house with a yard
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9

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Sold 12/09/25

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Bedrooms
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Square Feet
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Acres

Location

Listing Courtesy of Barrett Sotheby's International Realty, St. Martin Team; Barrett Sotheby's International Realty, Beth Paulauskas

Sold By Compass, Ryan Kiley

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Building Information for 21 Flagg Road

Stories-Year Built1972Building Size-Lot Size0.92 AC / 39,988 SF

Payment Calculator

$4,543 per month

30 year fixed, 6.55% Interest

Principal and Interest

$3,787

Property Taxes

$756

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

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Property Information for 21 Flagg Road

General Details
Property Details
  • Building Area Units: Square Feet
  • Community Features: Shopping, Tennis Court, Walk/Jog Trails, Medical Facility, Conservation Area, Highway Access, Public School
  • Current Financing: Conv. Fixed
  • Living Area: 2133.0
  • Color: yellow
  • SqFt with Basement: No
  • Property Attached: No
  • Single Family Type: Detached
  • Waterfront: No
  • Year Built Details: Actual
  • Year Built Source: Public Records
Location/School
  • Grade School: Robinson/Crisafulli
  • High School: Westford Academy
  • Middle School: Blanchard
Features
Interior Features
  • Appliances: Water Heater, Range, Oven, Dishwasher, Refrigerator
  • Basement Features: Full, Walk Out, Interior Access, Sump Pump, Concrete Floor, Unfinished Basement
  • Num of Baths: 3.0
  • Num of Full Baths: 2
  • Num of Half Baths: 1
  • Bathrooms Total Decimal: 2.50
  • Bathrooms Total Integer: 3
  • FireplaceFeatures: Family Room, Living Room
  • FireplaceYN: Yes
  • Fireplaces: 2
  • Flooring: Tile, Vinyl, Laminate, Hardwood, Flooring - Stone/Ceramic Tile
  • Interior Features: Closet, Entrance Foyer, Sun Room
  • Laundry Features: In Basement, Electric Dryer Hookup, Washer Hookup
  • Main Level Bathrooms: 1
  • SpaYN: No
Exterior Features
  • Construction: Frame
  • Exterior Features: Rain Gutters
  • Lot Description: Easements
  • Roof Material: Shingle
Parking Features
  • Attached Garage: Yes
  • Carport: No
  • Covered Spaces: 2.00
  • Garage: Yes
  • Garage Parking: Attached, Garage Door Opener, Side Entry, Off-Street
  • Parking Features: Attached, Garage Door Opener, Side Entry, Off-Street
  • Parking Features: Side Entry, Off-Street
Utilities
  • Cooling: Central Air
  • Cooling: Yes
  • Electric: Generator Connection
  • Heating: Forced Air, Natural Gas
  • Heating: Yes
  • Sewer: Private Sewerage
  • Utility Connections: for Gas Range, for Electric Dryer, Washer Hookup, Generator Connection
  • Water: Private
Room Information
Primary Bedroom
  • Room Primary Bedroom Features: Flooring - Hardwood,Closet - Double
  • Primary Bedroom Level: Second Floor
Bedroom 2
  • Bedroom2 Features: Closet,Flooring - Hardwood,Attic Access
  • Bedroom2 Level: Second
Bedroom 3
  • Bedroom3 Features: Closet,Flooring - Hardwood
  • Bedroom3 Level: Second
Bathroom 1
  • Bathroom1 Features: Bathroom - Half,Flooring - Vinyl
  • Bathroom1 Level: Main,First
Bathroom 2
  • Bathroom2 Features: Bathroom - Full,Bathroom - Tiled With Tub & Shower,Closet - Linen,Flooring - Vinyl
  • Bathroom2 Level: Second
Bathroom 3
  • Bathroom3 Features: Bathroom - Full,Bathroom - Tiled With Shower Stall,Flooring - Stone/Ceramic Tile,Countertops - Stone/Granite/Solid
  • Bathroom3 Level: Second
Dining Room
  • Dining Room Features: Flooring - Hardwood,Chair Rail,Wainscoting
  • Dining Room Level: Main,First
Family Room
  • Family Room Features: Beamed Ceilings,Flooring - Laminate,Lighting - Sconce
  • Family Room Level: Main,First
Kitchen
  • Kitchen Features: Beamed Ceilings,Dining Area,Pantry,Gas Stove,Peninsula
  • Kitchen Level: Main,First
Living Room
  • Room Living Room Features: Flooring - Hardwood,Window(s) - Picture,Chair Rail,Wainscoting
  • Room Living Room Level: Main,First
Property Information
Property Info
  • Year Round: Yes
  • Farm Land Area Units: Square Feet
  • WARRANTY: No
  • Lot Size Units: Acres
  • Road Frontage Type: Public
  • Road Surface Type: Paved
Tax Information
  • Tax ID: M:0021.0 P:0010 S:0000,873294
  • Assessments: $673,700
  • Book: 32474
  • Tax Year: 2025
  • Zoning: Res
Building / Association Information
Living Characteristics
  • Beds Total: 3
Other Building Characteristics
  • Foundation: Concrete Perimeter
Complex & Association Information
  • Adult Community: No

Property History for 21 Flagg Road

DateEvent & SourcePriceAppreciation
Jan 16, 2026

Sold

MLS PIN #73456154

$745,000
Dec 19, 2025

Under Agreement

MLS PIN #73456154

Dec 11, 2025

Contingent

MLS PIN #73456154

DateEvent & SourcePrice
01/16/2026

Sold

MLS PIN #73456154

$745,000
12/19/2025

Under Agreement

MLS PIN #73456154

12/11/2025

Contingent

MLS PIN #73456154

For completeness, we often displays two records for one sale: the MLS record and the public record.

Public Records for 21 Flagg Road

Taxable ValueLand$346,500Additions$327,200Total$673,700
Tax Record2025$9,075 ($756 / month)
Home Facts
Beds3Baths2.5Total Finished SqFt2,108 SqFtAbove Grade Finished SqFt2,108 SqFtUnfinished Basement SqFt1,156 SqFtStories2Lot Size39,988 SqFtStyleSingle Family ResidenceYear Built1972Year Renovated1972ZoningRACountyMIDDLESEXAPNWFOR M:0021.0 P:0010 S:0000

Schools near 21 Flagg Road

This home is within Westford School District.
Rating
School
Type
Grades
Distance
Public - PK to 2
Public - 3 to 5
Public - 6 to 8
Public - 9 to 12
Rating
School
Distance
Colonel John Robinson School
PublicPK to 2

John A. Crisafulli Elementary School
Public3 to 5

Blanchard Middle School
Public6 to 8

Westford Academy
Public9 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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Nearby home values

AddressSold priceBedsBathsSqftLot (Sqft)
This home: 21 Flagg Road, Westford, MA 01886
$745,000
3
2,133
39,988
$400,000
4
2,156
40,075
$855,000
4
3,500
40,075
$544,900
3
2,578
69,696
$557,900
4
2,933
55,268
3
2,167
39,988

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of any information, descriptions or measurements (including square footage measurements and property condition), such should be independently verified through appropriate means, including, but not limited to, in person inspection and public records, and Compass International Holdings, its subsidiaries, affiliates and independently owned and operated franchisees, and their affiliated agents and associated third parties expressly disclaim any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the seller's discretion. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of Barrett Sotheby's International Realty, St. Martin Team; Barrett Sotheby's International Realty, Beth Paulauskas

The property listing data and information, or the images, set forth herein were provided to MLS Property Information Network, Inc., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS. 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. MLS Property Information Network, Inc., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS 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.