Google street view image for 21 Armstrong Rd, Windham, NH 03087

OFF MARKET

$1,146,695

•

3.5 ba

•

2,276

sq ft

21 Armstrong Rd, Windham, NH 03087

About this home

21 Armstrong Rd is a 2,276 square foot house on a 0.3 acre lot with 2 bedrooms and 3.5 bathrooms. Based on Redfin's Windham data, we estimate the home's value is $1,146,695.

Single-familyProperty Type

2005Year Built

0.3 acresLot Size

$504Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,146,695

$12K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 54% higher than the average sale price ($745K) of 6 comparable homes.

SOLD JAN 5, 2026
$875,000
A
3 beds3 baths2,636 sq ft
2 2nd St, Windham, NH 03087
SOLD MAR 23, 2026
$758,000
B
2 beds2.5 baths1,731 sq ft
108 S Shore Rd, Windham, NH 03087
SOLD AUG 7, 2026
$800,000
C
3 beds2.5 baths2,356 sq ft
8 Hazelwood Dr, Salem, NH 03079
SOLD JUN 12, 2026
$550,000
D
3 beds2 baths2,112 sq ft
3 Dennison Ave, Salem, NH 03079
SOLD SEP 11, 2025
$875,000
E
2 beds2.5 baths1,912 sq ft
46 W Shore Rd, Windham, NH 03087
SOLD AUG 18, 2026
$610,000
F
3 beds2.5 baths1,912 sq ft
26 Veronica Ave, Salem, NH 03079

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Earn from this home

Sell

$1,078,790

Est. take-home

List your home with Redfin and save $11,467

Rent

$3,746/mo

Redfin rental estimate

List your home for rent

Market trends in 03087, NH

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.4%

+0.0% MoM

Median sale price

$765K

$35K MoM

Avg. days on market

34d

8 days MoM

Recently sold homes

27 MoM

New listings for sale

OPEN WED, 4PM TO 6PM
$665,000
2 beds3 baths2,338 sq ft
60 Gordon Mountain Rd, Windham, NH 03079
$1,600,000
3 beds2.5 baths4,001 sq ft
6 Rosewood St, Windham, NH 03087
VIDEO TOUR
$799,900
3 beds2.5 baths2,468 sq ft
7 Twin St, Windham, NH 03087
$799,900
3 beds1 bath802 sq ft
6 Cross St, Windham, NH 03087
$1,140,000
4 beds2.5 baths3,900 sq ft
1 Telo Rd, Windham, NH 03087
OPEN THU, 5PM TO 7PM
$759,900
4 beds2 baths2,052 sq ft
13 Patricia St, Windham, NH 03087
$599,000
3 beds1.5 baths1,557 sq ft
2 Morrison Rd, Windham, NH 03087
VIDEO TOUR
$1,020,000
3 beds2 baths1,682 sq ft
112 S Shore Rd, Salem, NH 03079
$1,080,000
3 beds2.5 baths2,683 sq ft
33 Trails Edge Rd, Windham, NH 03087
FOR SALE BY OWNER
$319,999
2 beds1 bath798 sq ft
17 1st St, Windham, NH 03087
See all

Provided by Redfin

Sale history for 21 Armstrong Rd

As the MLS and public records start to fill up, we'll list the details here.

Year

Property tax

Land + Additions

Assessment*

2024

$18,017 (+5.8%)

$532,300 + $263,500

$795,800

2023

$17,030 (+8.3%)

$532,300 + $263,500

$795,800

2022

$15,725 (+5.7%)

$532,300 + $263,500

$795,800

2021

$14,883 (−2.7%)

$532,300 + $267,000

$799,300

2020

$15,291 (+12.9%)

$532,300 + $267,000

$799,300

2019

$13,541 (−3.2%)

$389,400 + $211,100

$600,500

2018

$13,986 (+15.3%)

$389,400 + $211,100

$600,500

2017

$12,130 (−7.4%)

$389,400 + $211,100

$600,500

2016

$13,103 (+0.5%)

$389,400 + $211,100

$600,500

2015

$13,043 (−4.6%)

$389,400 + $211,100

$600,500

2013

$13,676

$380,000 + $199,500

$579,500

Tax history for 21 Armstrong Rd

Year

Property tax

Land + Additions

Assessment*

2024

$18,017 (+5.8%)

$532,300 + $263,500

$795,800

2023

$17,030 (+8.3%)

$532,300 + $263,500

$795,800

2022

$15,725 (+5.7%)

$532,300 + $263,500

$795,800

2021

$14,883 (−2.7%)

$532,300 + $267,000

$799,300

2020

$15,291 (+12.9%)

$532,300 + $267,000

$799,300

2019

$13,541 (−3.2%)

$389,400 + $211,100

$600,500

2018

$13,986 (+15.3%)

$389,400 + $211,100

$600,500

2017

$12,130 (−7.4%)

$389,400 + $211,100

$600,500

2016

$13,103 (+0.5%)

$389,400 + $211,100

$600,500

2015

$13,043 (−4.6%)

$389,400 + $211,100

$600,500

2013

$13,676

$380,000 + $199,500

$579,500

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Property details

Interior

Basement Information
Basement Sq. Ft: 800

Bathroom Information
# of Full Baths: 3
# of 1/2 Baths: 1

Heating & Cooling
Heating Type: Forced Air

Room Information
# of Rooms: 5

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: Contemporary
Exterior Wall: Wood Siding/Shingle
Roof Shape Type: Gable

Property Information
Subdivision Name: W E LANCASTER
Living Sq. Ft: 2,276
Gross Sq. Ft: 5,780
Ground Floor Sq. Ft: 800
# of Units: 1
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 13,068
Legal Lot Number: 31
Legal Block Number: M
Municipality Name: WINDHAM TOWN
Acres: 0.3
Zoning Code: RDA
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2024

Public facts

Beds: 2
Baths: 3.5
Sq. Ft.: 2,276
Stories: 2.0
Lot Size: 0.3 acres
Style: Single Family Residential
Year Built: 2005
Year Renovated: 2008
County: Rockingham County
APN: 772162

Home facts updated by county records on May 14, 2026

Around this home

Schools

Windham Center School

Public 5-6 • Assigned • 1.4mi

9/10

Windham Middle School

Public 7-8 • Assigned • 2.8mi

9/10

Windham High School

Public 9-12 • Assigned • 2.4mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

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

4/10 Heat Factor

7 days above 97° expected this year, 15 days in 30 years

6/10 Wind Factor

27% chance of strong winds in next 30 years

2/10 Air Factor

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

Provided by First Street

Historical weather

Windham, NH • 03087

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 9.1 hours in June and 4.4 hours in December, placing it below the U.S. average for solar exposure.

9.1 hrs

4.4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.09M – $1.32M

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Nearby similar homes

$559,900

4 beds2 baths1,734 sq ft

8 Sullivan Ave, Salem, NH 03079

$900,000

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VIDEO TOUR

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4 beds2.5 baths5,330 sq ft

3 Aberdeen St, Windham, NH 03087

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3 beds2 baths1,560 sq ft

20 Orchard Ter, Salem, NH 03079

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New listings for sale in 03079

OPEN WED, 4PM TO 6PM3D WALKTHROUGH

$665,000

2 beds3 baths2,338 sq ft

60 Gordon Mountain Rd, Windham, NH 03079

$1,600,000

3 beds2.5 baths4,001 sq ft

6 Rosewood St, Windham, NH 03087

VIDEO TOUR

$799,900

3 beds2.5 baths2,468 sq ft

7 Twin St, Windham, NH 03087

$799,900

3 beds1 bath802 sq ft

6 Cross St, Windham, NH 03087

$1,140,000

4 beds2.5 baths3,900 sq ft

1 Telo Rd, Windham, NH 03087

OPEN THU, 5PM TO 7PM

$759,900

4 beds2 baths2,052 sq ft

13 Patricia St, Windham, NH 03087

$599,000

3 beds1.5 baths1,557 sq ft

2 Morrison Rd, Windham, NH 03087

VIDEO TOUR

$1,020,000

3 beds2 baths1,682 sq ft

112 S Shore Rd, Salem, NH 03079

$1,080,000

3 beds2.5 baths2,683 sq ft

33 Trails Edge Rd, Windham, NH 03087

Home values near 21 Armstrong Rd

Data from public records.

Address	Redfin Estimate
17 Armstrong Road, Windham, NH 2 Beds \| 2.5 Baths \| 3348 Sq. Ft.	$1,321,877
13 Armstrong Road, Windham, NH 1 Beds \| 1 Baths \| 1116 Sq. Ft.	$418,753

Address	Redfin Estimate
29 Armstrong Road, Windham, NH 2 Beds \| 1 Baths \| 1004 Sq. Ft.	$454,709
23 Armstrong Road, Windham, NH 3 Beds \| 1.5 Baths \| 1612 Sq. Ft.	$414,110

Address	Redfin Estimate
15 Armstrong Road, Windham, NH 4 Beds \| 3 Baths \| 2254 Sq. Ft.	$1,093,713
11 Armstrong Road, Windham, NH 2 Beds \| - Baths \| 1200 Sq. Ft.	$469,565

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 03087, NH

Sale history for 21 Armstrong Rd

Tax history for 21 Armstrong Rd

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 03079

Home values near 21 Armstrong Rd

More real estate resources