Google street view image for 21 Mountain Rd, Brookline, NH 03033

Off market

$681,317

•

2 ba

•

2,671

sq ft

21 Mountain Rd, Brookline, NH 03033

About this home

21 Mountain Rd is a 2,671 square foot house on a 2.51 acre lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Brookline data, we estimate the home's value is $681,317.

Single-familyProperty Type

1992Year Built

2.51 acresLot Size

$255Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$681,317

$17K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 0.1% higher than the average sale price ($681K) of 6 comparable homes.

SOLD MAR 20, 2026
$635,000
A
3 beds2.5 baths2,601 sq ft
9 Mosher Dr, Brookline, NH 03033
SOLD OCT 30, 2026
$810,000
B
3 beds2.5 baths2,586 sq ft
10 Winding Valley Rd, Hollis, NH 03049
SOLD BY REDFIN SEP 24, 2026
$615,000
C
3 beds2.5 baths2,270 sq ft
34 Rocky Pond Rd, Brookline, NH 03033
SOLD SEP 18, 2026
$775,000
D
3 beds2.5 baths3,032 sq ft
7 Mill Rd, Hollis, NH 03049
SOLD JUN 22, 2026
$690,000
E
3 beds2.5 baths2,303 sq ft
9 Maxwell Dr, Brookline, NH 03033
SOLD JUN 25, 2026
$560,000
F
3 beds2 baths2,206 sq ft
5 Ben Farnsworth Rd, Brookline, NH 03033

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Earn from this home

Sell

$640,125

Est. take-home

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Rent

$3,420/mo

Redfin rental estimate

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Market trends in 03033, NH

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

102.3%

+0.3% MoM

Median sale price

$720K

$55K MoM

Avg. days on market

34d

8 days MoM

Recently sold homes

3 MoM

New listings for sale

$915,000
4 beds2.5 baths2,300 sq ft
45-14 7 Winterberry Rd, Brookline, NH 03033
$475,000
3 beds1 bath1,290 sq ft
6 Averill Rd, Brookline, NH 03033
See all

Provided by Redfin

Sale history for 21 Mountain Rd

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

Tax history for 21 Mountain 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: 608

Bathroom Information
# of Full Baths: 2

Heating & Cooling
Heating Type: Forced Air

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: Contemporary
Exterior Wall: Vinyl
Roof Shape Type: Gable

Property Information
Subdivision Name: MOUNTAIN RD EST SUB
Living Sq. Ft: 2,671
Gross Sq. Ft: 5,382
Ground Floor Sq. Ft: 1,422
# of Stories: 2

Parking & Garage Information
Parking Type: Basement Garage
Garage / Carport Type: Basement

Lot Information
# of Buildings: 1
Land Sq. Ft: 109,336
Legal Lot Number: D-15
Municipality Name: BROOKLINE TOWN
Acres: 2.51
Zoning Code: RESIDE
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 2,671
Stories: 2.0
Lot Size: 2.51 acres
Style: Single Family Residential
Year Built: 1992
Year Renovated: —
County: Hillsborough County
APN: 4776432S

Home facts updated by county records on Sep 16, 2026

Around this home

Schools

K - 12
Preschool & daycare

Richard Maghakian Memorial School

Public PreK-3 • Assigned • 2.2mi

6/10

Hollis-Brookline Middle School

Public 7-8 • Assigned • 3.8mi

7/10

Hollis-Brookline High School

Public 9-12 • Assigned • 3.9mi

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

3/10 Heat Factor

7 days above 95° expected this year, 15 days in 30 years

5/10 Wind Factor

25% 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

Brookline, NH • 03033

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

$648,000 – $784,000

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Get a free, detailed breakdown of how we calculated your estimate.

Nearby similar homes

$915,000

4 beds2.5 baths2,300 sq ft

45-14 7 Winterberry Rd, Brookline, NH 03033

New construction • Open living area • Granite counter tops

$209,000

1 bed1 bath488 sq ft

23 Old Milford Rd, Brookline, NH 03033

Town approved plans • 0.28 acre lot • Interior renovation

NEW CONSTRUCTION

$1,069,000

4 beds2.5 baths3,304 sq ft

Map 51 5-2 Ball Hill Rd Lot 5-2, Milford, NH 03055

Mature trees • Exceptional privacy • 4.96 acre lot

New listings for sale in 03033

$915,000

4 beds2.5 baths2,300 sq ft

45-14 7 Winterberry Rd, Brookline, NH 03033

New construction • Open living area • Granite counter tops

$475,000

3 beds1 bath1,290 sq ft

6 Averill Rd, Brookline, NH 03033

In-ground pool • Lower level • Public schools

Home values near 21 Mountain Rd

Data from public records.

Address	Redfin Estimate
13 Mountain Rd, Brookline, NH 3 Beds \| 2.5 Baths \| 2418 Sq. Ft.	$700,518
10 Mountain Rd, Brookline, NH 5 Beds \| 3.5 Baths \| 3676 Sq. Ft.	$804,684
23 Mountain Rd, Brookline, NH 3 Beds \| 1.5 Baths \| 2121 Sq. Ft.	$626,323
16 Mountain Rd, Brookline, NH 3 Beds \| 2.5 Baths \| 2509 Sq. Ft.	$614,829
11 Mountain Rd, Brookline, NH 5 Beds \| 3 Baths \| 3205 Sq. Ft.	$757,983
15 Mountain Rd, Brookline, NH 3 Beds \| 2 Baths \| 2433 Sq. Ft.	$677,149
17 Mountain Rd, Brookline, NH 3 Beds \| 2.5 Baths \| 2264 Sq. Ft.	$646,151

Address	Redfin Estimate
22 Mountain Rd, Brookline, NH 4 Beds \| 2.5 Baths \| 3279 Sq. Ft.	$807,398
12 Mountain Rd, Brookline, NH 4 Beds \| 2 Baths \| 1911 Sq. Ft.	$582,816
15 Mountain Rd, Brookline, NH 3 Beds \| 2 Baths \| 2128 Sq. Ft.	$664,915
9 Mountain Rd, Brookline, NH 3 Beds \| 2.5 Baths \| 2075 Sq. Ft.	$645,113
23 Mountain Rd, Brookline, NH 3 Beds \| 1.5 Baths \| 2121 Sq. Ft.	$633,962
10 Mountain Rd, Brookline, NH 4 Beds \| 2.5 Baths \| 3676 Sq. Ft.	$863,670
13 Mountain Rd, Brookline, NH 3 Beds \| 2.5 Baths \| 2756 Sq. Ft.	$725,113

Address	Redfin Estimate
11 Mountain Rd, Brookline, NH 5 Beds \| 3 Baths \| 3164 Sq. Ft.	$733,690
17 Mountain Rd, Brookline, NH 3 Beds \| 2 Baths \| 2264 Sq. Ft.	$587,524
27 Mountain Rd, Brookline, NH 4 Beds \| 3 Baths \| 3095 Sq. Ft.	$748,923
20 Mountain Rd, Brookline, NH 3 Beds \| 2.5 Baths \| 2579 Sq. Ft.	$663,778
22 Mountain Rd, Brookline, NH 4 Beds \| 3.5 Baths \| 3414 Sq. Ft.	$834,831
8 Mountain Rd, Brookline, NH 3 Beds \| 2.5 Baths \| 2191 Sq. Ft.	$644,715
16 Mountain Rd, Brookline, NH 3 Beds \| 2.5 Baths \| 2262 Sq. Ft.	$648,789

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