Google street view image for 21 Flagg Rd, Rochester, NH 03839

Off market nov 2009 for $180K

$543,342

Est. refi paymentEst. refi $1,398/mo

•

1.5 ba

•

2,094

sq ft

21 Flagg Rd, Rochester, NH 03839

About this home

21 Flagg Rd is a 2,094 square foot house on a 0.83 acre lot with 3 bedrooms and 1.5 bathrooms. - it last sold on November 02, 2009 for $180,000. Based on Redfin's Rochester data, we estimate the home's value is $543,342.

Single-familyProperty Type

1986Year Built

0.83 acresLot Size

$259Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$543,342

$363K since sold in November 2009$3,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 0.1% higher than the average sale price ($543K) of 6 comparable homes.

SOLD NOV 2, 2026
$495,000
A
3 beds2 baths1,580 sq ft
149A Flagg Rd, Rochester, NH 03839
SOLD OCT 13, 2026
$518,000
B
3 beds2 baths2,422 sq ft
7 James Henry Dr, Barrington, NH 03825
SOLD MAR 16, 2026
$515,000
C
3 beds1.5 baths1,710 sq ft
97 Muchado Dr, Barrington, NH 03825
SOLD JUN 2, 2026
$567,500
D
3 beds2.5 baths2,116 sq ft
23 Blue Hills Dr, Rochester, NH 03839
SOLD JUN 30, 2026
$650,000
E
3 beds2.5 baths2,164 sq ft
12 Loring Dr, Rochester, NH 03839
SOLD JUN 30, 2026
$510,000
F
3 beds2 baths1,656 sq ft
130 Tolend Rd, Barrington, NH 03825

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Earn from this home

Sell

$427,069

Est. take-home

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Refinance

Est. cash available

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Rent

$2,276/mo

Redfin rental estimate

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Market trends in 03839, NH

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

101.9%

0.2% MoM

Median sale price

$410K

$46K MoM

Avg. days on market

31d

13 days MoM

Recently sold homes

6 MoM

New listings for sale

$725,000
4 beds2.5 baths2,719 sq ft
153 Chesley Hill Rd, Rochester, NH 03839
$430,000
3 beds1.5 baths1,900 sq ft
20 Anctil Ct, Rochester, NH 03839
$309,900
2 beds1.5 baths1,080 sq ft
423 Ledgeview Dr, Rochester, NH 03839
See all

Provided by Redfin

Sale history for 21 Flagg Rd

Tax history for 21 Flagg Rd

*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: 768

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

Heating & Cooling
Heating Type: Forced Hot Water

Fireplace Information
Fireplace Type: Wood Stove
Has Fireplace

Room Information
# of Rooms: 7

Exterior

Exterior Information
Physical Condition: Average
Building Style Type: Cape Cod
Construction Type: Frame
Exterior Wall: Vinyl
Roof Shape Type: Gable

Property Information
Subdivision Name: LIMITED SUB
Living Sq. Ft: 2,094
Gross Sq. Ft: 3,647
# of Units: 1
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 36,155
Legal Lot Number: 1
Municipality Name: ROCHESTER CITY
Acres: 0.83
Zoning Code: A
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 3
Baths: 1.5
Sq. Ft.: 2,094
Stories: 2.0
Lot Size: 0.83 acres
Style: Single Family Residential
Year Built: 1986
Year Renovated: —
County: Strafford County
APN: 4760477S

Home facts updated by county records on Sep 16, 2026

Around this home

Schools

K - 12
Preschool & daycare

Gonic School

Public K-5 • Assigned • 1.4mi

5/10

Rochester Middle School

Public 6-8 • Assigned • 2.6mi

3/10

Spaulding High School

Public 9-12 • Assigned • 4.0mi

5/10

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 96° expected this year, 15 days in 30 years

4/10 Wind Factor

21% chance of strong winds in next 30 years

2/10 Air Factor

1 unhealthy days expected this year, 1 days in 30 years

Provided by First Street

Historical weather

Rochester, NH • 03839

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

Try the sun simulator tool to see how light moves across the property at different times of day and year.

Provided by Shadowmap

Estimated sale price

$517,000 – $625,000

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New listings for sale in 03839

$725,000

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153 Chesley Hill Rd, Rochester, NH 03839

Walk in pantry • Pellet stove • Concrete safe room

$430,000

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Multi-level layout • Drive-under garage • Quiet backyard

Home values near 21 Flagg Rd

Data from public records.

Address	Redfin Estimate
17 Flagg Road, Rochester, NH 3 Beds \| 1.5 Baths \| 1504 Sq. Ft.	$460,765
34 Flagg Road, Rochester, NH 3 Beds \| 2 Baths \| 1500 Sq. Ft.	$484,077
18 Flagg Road, Rochester, NH 3 Beds \| 2 Baths \| 1248 Sq. Ft.	$482,867
12 Flagg Road, Rochester, NH 3 Beds \| 1.5 Baths \| 1521 Sq. Ft.	$484,252
26 Flagg Road, Rochester, NH 2 Beds \| 2 Baths \| 1568 Sq. Ft.	$518,831
18 Flagg Road, Rochester, NH 3 Beds \| 1.5 Baths \| 1248 Sq. Ft.	$485,497
34 Flagg Road, Rochester, NH 3 Beds \| 1.5 Baths \| 1275 Sq. Ft.	$477,789

Address	Redfin Estimate
19 Flagg Road, Rochester, NH 2 Beds \| 1 Baths \| 2158 Sq. Ft.	$466,476
15 Flagg Road, Rochester, NH 4 Beds \| 2.5 Baths \| 1944 Sq. Ft.	$494,608
48 Flagg Road, Rochester, NH 3 Beds \| 2 Baths \| 1344 Sq. Ft.	$494,215
30 Flagg Road, Rochester, NH 3 Beds \| 1.5 Baths \| 1448 Sq. Ft.	$498,700
19 Flagg Road, Rochester, NH 2 Beds \| 1 Baths \| 1752 Sq. Ft.	$468,815
38 Flagg Road, Rochester, NH 3 Beds \| 1.5 Baths \| 1400 Sq. Ft.	$532,503
30 Flagg Road, Rochester, NH 3 Beds \| 1.5 Baths \| 1448 Sq. Ft.	$502,395

Address	Redfin Estimate
26 Flagg Road, Rochester, NH 2 Beds \| 2 Baths \| 1568 Sq. Ft.	$524,122
11 Flagg Road, Rochester, NH 3 Beds \| 2 Baths \| 1276 Sq. Ft.	$461,546
38 Flagg Road, Rochester, NH 3 Beds \| 2 Baths \| 1322 Sq. Ft.	$497,291
11 Flagg Road, Rochester, NH 3 Beds \| 1.5 Baths \| 1276 Sq. Ft.	$467,416
17 Flagg Road, Rochester, NH 3 Beds \| 1.5 Baths \| 1504 Sq. Ft.	$460,259
15 Flagg Road, Rochester, NH 4 Beds \| 2.5 Baths \| 2018 Sq. Ft.	$535,867
48 Flagg Road, Rochester, NH 3 Beds \| 2 Baths \| 1344 Sq. Ft.	$493,339

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