See Home Value
Middlesex
21 Flagg Rd
$745,000
● House - Off Market

21 Flagg Rd

Westford, MA 01886
bedrooms
3 Beds
bathrooms
2 Baths, 1 Half Bath
square feet
2,133 Ft²
$4,439
Est. Monthly

About This Property

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.
Unit Size
2,133 Ft²
Days on Market
-
Land Size
0.92 acres
Price per sqft
$352
Property Type
House
Property Taxes
$756
HOA Dues
-
Year Built
1972

Payment Calculator

Cap Rate Calculator

Last updated: 9 months ago (MLSPIN #73456154)

Price History

Date / Event Date Event Price
Jan 16, 2026 Sold
Sold
Dec 12, 2025 In contract -
In contract
Dec 3, 2025 Price Decreased $749,900
↓ $40K (5.1%)
Price Decreased
Nov 19, 2025 Listed by Barrett Sotheby's International Realty $789,900
Listed by Barrett Sotheby's International Realty
Oct 28, 1977 Sold
Sold

Property Highlights

Garage
Parking Available
Air Conditioning
Fireplace

Building Info

Overview

    General

  • Year Built: 1972
  • Effective Year Built: 1972
  • Building Count: 1
  • Total Rooms: 7
  • Bedroom Count: 3
  • Bathroom Count: 3
  • Full Bathrooms: 2
  • Partial Bathrooms: 3
  • Building Condition: 6
  • Building Quality: 0
  • Construction Type: 6
  • Building Style: 5
  • Exterior Walls Type: 19
  • Interior Walls Type: 0
  • Roof Shape Type: 1
  • Roof Cover Type: 15
  • Floor Count: 200
  • Living Units: 1
  • Floor Cover: 0
  • Basement Type: 7
  • Basement Area: 1,156
  • Garage Type: 0
  • Parking Space Count: 0
  • Patio Type: 0
  • Porch Type: 0
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 39,988
  • Total Building Area: 2,108
  • Gross Building Area: 3,978
  • Building Area: 2,108
  • Building Area Measurement: L

    Heating and Cooling

  • Fireplace Count: 1
  • Air Conditioning: 13
  • Heating: 4
  • Heated Square Feet: 2,108
  • Heating Fuel Type: 3

    Utilities

  • Sewer System: 0
  • Water Service: 0

Building

  • Building Type: 0
  • Property Class: R
  • Land Acres: 0000000918
  • Standard Land Use Code: 1001
  • County Land Use Code: 101

Neighborhood

  • School District Name: Westford School District
  • Census Tract: 318300

Zoning

  • Zoning: RA

Geography

  • Parcel: WFOR M:0021.0 P:0010 S:0000
  • Municipality: WESTFORD
  • Latitude: 42.5751
  • Longitude: -71.4521

    Address

  • Full Address: 21 Flagg Rd
  • Address - House Number: 21
  • Address - Street Name: Flagg
  • Address - Suffix Type: Rd
  • State: MA
  • City Name: Westford
  • Carrier Code: R019
  • 4-Digit Zip Code: 2904
  • Zip Code: 01886

Valuation

    Tax

  • Tax Year: 2024
  • Tax Amount: $883,800

    Appraisal Valuation

  • Standard Deviation: 0.1729
  • Valuation Date: Jan 17, 2024
  • Confidence Score: 77
  • Final Value: 787,854
  • High Value: 924,119
  • Low Value: 651,589

    Assessments Valuation

  • Assessed Year: 2024
  • Assessed Total Value: $641,800
  • Assessed Land Value: $330,000
  • Assessed Improvements Value: $311,800

    Sales

  • Current Sale Recording Date: Oct 28, 1977
  • Current Sale Price:
  • Current Sale Document Type: 27
Data used for valuation calculations is provided by RealtyHop, and other third party sources

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Middlesex


Similar Homes for Sale

Currently no similar homes around

Nearby Rentals



Frequently Asked Questions

When was property at 21 Flagg Road built and last sold?
The property at 21 Flagg Road was built in 1972 and last sold on Jan 1, 1970 for $67,800.
How much is this home worth?
The estimated value of the home located at 21 Flagg Road is $0.
What are some comparable homes to 21 Flagg Road?
There are currently no comparable homes to 21 Flagg Road.