Google street view image for 9 Walnut Pl, Brookline, MA 02445

Off market

$4,490,792

•

2.5 ba

•

3,486

sq ft

9 Walnut Pl, Brookline, MA 02445

About this home

9 Walnut Pl is a 3,486 square foot house on a 0.34 acre lot with 4 bedrooms and 2.5 bathrooms. Based on Redfin's Brookline data, we estimate the home's value is $4,490,792.

Single-familyProperty Type

2016Year Built

0.34 acresLot Size

$1,288Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$4,490,792

$115K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 79.5% higher than the average sale price ($2.50M) of 6 comparable homes.

SOLD JUL 2, 2026
$2,425,000
A
5 beds3 baths3,563 sq ft
30 Billings Ln, Jamaica Plain, MA 02130
SOLD JUN 29, 2026
$3,215,000
B
4 beds3.5 baths3,002 sq ft
236 Mason Ter, Brookline, MA 02446
SOLD AUG 21, 2026
$1,850,000
C
5 beds2.5 baths3,592 sq ft
117 Sheridan St, Jamaica Plain, MA 02130
SOLD APR 8, 2026
$2,850,000
D
4 beds2.5 baths3,377 sq ft
24 Blake Rd, Brookline, MA 02445
SOLD MAY 19, 2026
$2,280,000
E
4 beds3.5 baths3,079 sq ft
140 Prince St, Jamaica Plain, MA 02130
SOLD AUG 21, 2026
$2,394,900
F
4 beds3.5 baths2,996 sq ft
520 Clinton Rd, Chestnut Hill, MA 02467

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Earn from this home

Sell

$4,267,228

Est. take-home

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Rent

$7,174/mo

Redfin rental estimate

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Market trends in 02445, MA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

97.3%

1.5% MoM

Median sale price

$1.0M

$142K MoM

Avg. days on market

56d

14 days MoM

Recently sold homes

16 MoM

New listings for sale

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69 Walnut St #7, Brookline, MA 02445
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EARLY ACCESS
$1,700,000
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146 University Rd #2, Brookline, MA 02445
$2,350,000
6 beds3 baths5,030 sq ft
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$4,375,000
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See all

Provided by Redfin

Sale history for 9 Walnut Pl

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

Year

Property tax

Land + Additions

Assessment*

2023

$38,794 (+2.7%)

$1,519,800 + $2,371,300

$3,891,100

2022

$37,762 (+8.1%)

$1,447,400 + $2,258,400

$3,705,800

2021

$34,919 (+8.4%)

$1,391,700 + $2,171,500

$3,563,200

2020

$32,200 (+5.9%)

$1,265,100 + $2,142,300

$3,407,400

2019

$30,408 (+115.8%)

$1,204,900 + $2,040,300

$3,245,200

2018

$14,089 (+38.2%)

$1,093,400 + $395,900

$1,489,300

2017

$10,191 (+1.5%)

$1,031,500

2016

$10,045 (+4.4%)

$964,000

2015

$9,622

$900,900

Tax history for 9 Walnut Pl

Year

Property tax

Land + Additions

Assessment*

2023

$38,794 (+2.7%)

$1,519,800 + $2,371,300

$3,891,100

2022

$37,762 (+8.1%)

$1,447,400 + $2,258,400

$3,705,800

2021

$34,919 (+8.4%)

$1,391,700 + $2,171,500

$3,563,200

2020

$32,200 (+5.9%)

$1,265,100 + $2,142,300

$3,407,400

2019

$30,408 (+115.8%)

$1,204,900 + $2,040,300

$3,245,200

2018

$14,089 (+38.2%)

$1,093,400 + $395,900

$1,489,300

2017

$10,191 (+1.5%)

$1,031,500

2016

$10,045 (+4.4%)

$964,000

2015

$9,622

$900,900

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

Permits

Jul 16, 2020 • Active

Residential building

Perform landscape improvements including the construction of a raised landscaped platform and a boulder retaining wall in the rear yard. Install a drainage system and pervious surfaces to manage surface runoff, prevent erosion, and improve rainwater infiltration.

Grading

Jun 16, 2020 • Final

Zoning plan review/denial

Construct a raised landscaped platform and a boulder retaining wall in the rear yard to create a usable space and manage erosion. Install a pervious surface and a drainage system to allow for rainwater infiltration and to prevent surface runoff.

Grading

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Interior

Basement Information
Basement Sq. Ft: 1,781

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

Heating & Cooling
Heating Type: Forced Air

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 10

Exterior

Exterior Information
Physical Condition: Excellent
Building Style Type: Colonial
Construction Type: Frame
Exterior Wall: Wood Siding/Shingle
Roof Shape Type: Gable

Property Information
Living Sq. Ft: 3,486
Gross Sq. Ft: 6,849
# of Units: 1
# of Stories: 2
Legal Description: 000308 - 000011 - 000000 - 000000

Lot Information
# of Buildings: 1
Land Sq. Ft: 14,810
Municipality Name: BROOKLINE
Acres: 0.34
Zoning Code: S10
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2023

Public facts

Beds: 4
Baths: 2.5
Sq. Ft.: 3,486
Stories: 2.0
Lot Size: 0.34 acres
Style: Single Family Residential
Year Built: 2016
Year Renovated: —
County: Norfolk County
APN: 40740

Home facts updated by county records on Jul 20, 2023

Around this home

Schools

William H Lincoln School

Public K-8 • Assigned • 0.4mi

9/10

Brookline High School

Public 9-12 • Assigned • 0.4mi

8/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Brookline will continue to be a Seller's market for the foreseeable future, driven by restrictive zoning laws that have limited increases in housing production and a stable population with relatively low turnover. This has resulted in a massive...
3 weeks ago • Brookline
Benjamin Ginsburg
Redfin Premier agent
155 deals
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Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

2/10 Fire Factor

0.00% chance of being in a wildfire in next 30 years

5/10 Heat Factor

7 days above 96° expected this year, 15 days in 30 years

6/10 Wind Factor

58% chance of strong winds in next 30 years

3/10 Air Factor

3 unhealthy days expected this year, 3 days in 30 years

Provided by First Street

Historical weather

Brookline, MA • 02445

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 hours in June and 4.4 hours in December, placing it below the U.S. average for solar exposure.

9 hrs

4.4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$4.27M – $5.17M

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Nearby similar homes

OPEN WED, 12PM TO 1:30PM

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3 Round Hill St, Jamaica Plain, MA 02130

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New listings for sale in 02445

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Home values near 9 Walnut Pl

Data from public records.

Address	Redfin Estimate
240 Walnut St, Brookline, MA 5 Beds \| 3.5 Baths \| 2977 Sq. Ft.	$2,845,719
234 Walnut St, Brookline, MA 6 Beds \| 3.5 Baths \| 3355 Sq. Ft.	$2,520,859

Address	Redfin Estimate
238 Walnut St, Brookline, MA 4 Beds \| 2.5 Baths \| 2989 Sq. Ft.	$2,683,853
230 Walnut St, Brookline, MA 4 Beds \| 2.5 Baths \| 2934 Sq. Ft.	$2,467,729

Address	Redfin Estimate
236 Walnut St, Brookline, MA 4 Beds \| 3.5 Baths \| 3963 Sq. Ft.	$3,197,210
224 Walnut St, Brookline, MA 4 Beds \| 2.5 Baths \| 3000 Sq. Ft.	$2,754,032

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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 02445, MA

Sale history for 9 Walnut Pl

Tax history for 9 Walnut Pl

Permits

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 02445

Home values near 9 Walnut Pl

More real estate resources