Google street view image for 9 King St, Lexington, MA 02421

Off market jul 1989 for $255K

$1,506,910

Est. refi paymentEst. refi $1,651/mo

•

2.5 ba

•

3,102

sq ft

9 King St, Lexington, MA 02421

About this home

9 King St is a 3,102 square foot multi-family home on a 9,583 square foot lot with 3 bedrooms and 2.5 bathrooms. - it last sold on July 25, 1989 for $255,000. Based on Redfin's Lexington data, we estimate the home's value is $1,506,910.

Multi-familyProperty Type

1920Year Built

9,583 sq ftLot Size

$486Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,506,910

$1.3M since sold in July 1989$18K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 10.1% higher than the average sale price ($1.37M) of 6 comparable homes.

SOLD SEP 23, 2026
$990,000
A
3 beds2 baths1,750 sq ft
59 Fottler Ave, Lexington, MA 02420
SOLD JUL 17, 2026
$1,240,000
B
3 beds2 baths2,452 sq ft
3 Chase Ave, Lexington, MA 02421
SOLD AUG 28, 2026
$1,439,000
C
3 beds3 baths2,491 sq ft
158 Lowell St, Arlington, MA 02474
SOLD OCT 8, 2026
$1,750,625
D
4 beds2.5 baths2,942 sq ft
35 Avola St, Arlington, MA 02476
SOLD AUG 7, 2026
$1,344,000
E
3 beds2.5 baths2,748 sq ft
87 George St, Arlington, MA 02476
SOLD JUL 13, 2026
$1,450,000
F
4 beds2.5 baths2,618 sq ft
847 Massachusetts Ave, Lexington, MA 02420

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$1,431,228

Est. take-home

List your home with Redfin and save $7,535

Refinance

Est. cash available

Get cash now or lower your monthly rate

Market trends in 02421, MA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

100.9%

0.3% MoM

Median sale price

$1.7M

$31K MoM

Avg. days on market

33d

8 days MoM

Recently sold homes

22 MoM

New listings for sale

EARLY ACCESS
Unknown
4 beds4 baths2,935 sq ft
28 Nickerson Rd, Lexington, MA 02421
EARLY ACCESS
Unknown
5 beds4 baths3,015 sq ft
157 Lincoln St, Lexington, MA 02421
$949,900
3 beds1.5 baths1,608 sq ft
668 Marrett Rd, Lexington, MA 02421
OPEN TODAY, 12PM TO 1:30PM
$1,995,000
6 beds4 baths3,713 sq ft
14 White Pine Ln, Lexington, MA 02421
$3,395,000
5 beds5.5 baths5,001 sq ft
11 Common Ct #11, Lexington, MA 02421
$3,395,000
5 beds5.5 baths5,001 sq ft
11 Common Ct, Lexington, MA 02421
COMING SOON
$2,850,000
7 beds6.5 baths6,800 sq ft
26 Webster Rd, Lexington, MA 02421
See all

Provided by Redfin

Sale history for 9 King St

Year

Property tax

Land + Additions

Assessment*

2026

$20,238 (+3.9%)

$725,000 + $919,000

$1,644,000

2025

$19,482 (+1.9%)

$691,000 + $902,000

$1,593,000

2024

$19,110 (+1.7%)

$658,000 + $902,000

$1,560,000

2023

$18,785 (+14.7%)

$598,000 + $847,000

$1,445,000

2022

$16,381 (+4.2%)

$544,000 + $643,000

$1,187,000

2021

$15,728 (+3.6%)

$518,000 + $575,000

$1,093,000

2020

$15,188 (+4.2%)

$518,000 + $563,000

$1,081,000

2019

$14,572 (+2.0%)

$493,000 + $539,000

$1,032,000

2018

$14,286 (+14.1%)

$470,000 + $529,000

$999,000

2017

$12,519 (+1.0%)

$447,000 + $417,000

$864,000

2016

$12,395 (+6.3%)

$426,000 + $423,000

$849,000

2014

$11,664 (+10.4%)

$352,000 + $400,000

$752,000

2013

$10,564 (+2.4%)

$352,000 + $343,000

$695,000

2012

$10,314 (+3.1%)

$352,000 + $337,000

$689,000

2011

$10,008 (+3.9%)

$352,000 + $343,000

$695,000

2010

$9,633 (+4.0%)

$352,000 + $343,000

$695,000

2009

$9,261

$371,000 + $343,000

$714,000

Tax history for 9 King St

Year

Property tax

Land + Additions

Assessment*

2026

$20,238 (+3.9%)

$725,000 + $919,000

$1,644,000

2025

$19,482 (+1.9%)

$691,000 + $902,000

$1,593,000

2024

$19,110 (+1.7%)

$658,000 + $902,000

$1,560,000

2023

$18,785 (+14.7%)

$598,000 + $847,000

$1,445,000

2022

$16,381 (+4.2%)

$544,000 + $643,000

$1,187,000

2021

$15,728 (+3.6%)

$518,000 + $575,000

$1,093,000

2020

$15,188 (+4.2%)

$518,000 + $563,000

$1,081,000

2019

$14,572 (+2.0%)

$493,000 + $539,000

$1,032,000

2018

$14,286 (+14.1%)

$470,000 + $529,000

$999,000

2017

$12,519 (+1.0%)

$447,000 + $417,000

$864,000

2016

$12,395 (+6.3%)

$426,000 + $423,000

$849,000

2014

$11,664 (+10.4%)

$352,000 + $400,000

$752,000

2013

$10,564 (+2.4%)

$352,000 + $343,000

$695,000

2012

$10,314 (+3.1%)

$352,000 + $337,000

$689,000

2011

$10,008 (+3.9%)

$352,000 + $343,000

$695,000

2010

$9,633 (+4.0%)

$352,000 + $343,000

$695,000

2009

$9,261

$371,000 + $343,000

$714,000

*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: 752

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

Heating & Cooling
Heating Type: Forced Hot Water

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 10

Exterior

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

Property Information
Living Sq. Ft: 3,102
Gross Sq. Ft: 4,996
Ground Floor Sq. Ft: 1,338
# of Units: 1
# of Stories: 3

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

Lot Information
# of Buildings: 1
Land Sq. Ft: 9,583
Municipality Name: LEXINGTON
Acres: 0.22
Zoning Code: RS
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 2.5
Sq. Ft.: 3,102
Stories: 3.0
Lot Size: 9,583 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 1920
Year Renovated: —
County: Middlesex County
APN: 2997606S

Home facts updated by county records on Sep 10, 2026

Around this home

Schools

K - 12
Preschool & daycare

Bowman Elementary School

Public K-5 • Assigned • 0.5mi

10/10

Jonas Clarke Middle School

Public 6-8 • Assigned • 1.1mi

10/10

Lexington High School

Public 9-12 • Assigned • 1.7mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Lexington continues to be a competitive Seller's market driven by its historic appeal & location. With buildable land exhausted, true inventory growth is very constrained; development mostly replaces existing homes. New zoning laws will eventually...
1 month ago • Lexington
Benjamin Ginsburg
Redfin Premier agent
155 deals
Was this helpful?

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

5/10 Heat Factor

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

6/10 Wind Factor

50% chance of strong winds in next 30 years

3/10 Air Factor

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

Provided by First Street

Historical weather

Lexington, MA • 02421

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

$1.43M – $1.73M

Reach more buyers when you sell with Redfin. Save up to $15,069 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

OPEN TODAY, 12PM TO 1:30PM

$1,728,000

5 beds2.5 baths2,458 sq ft

390 Marsh St, Belmont, MA 02478

All-season sunroom • Walk-in closet • Direct garage access

$1,420,000

3 beds2.5 baths3,254 sq ft

12 Middle St, Lexington, MA 02421

Private patio • Enclosed backyard • Finished lower level

OPEN TODAY, 2PM TO 3:30PM

$3,295,000

5 beds5.5 baths5,322 sq ft

3 Linc Cole Ln, Lexington, MA 02421

New construction • Luxury enclave • Mid-century design

OPEN SUN, 1PM TO 2:30PM3D WALKTHROUGH

$1,099,900

4 beds3 baths2,316 sq ft

22 Abbott Rd, Waltham, MA 02452

Corner lot • Quarter-acre yard • Two-car garage

OPEN SUN, 12PM TO 1:30PM

$1,639,000

4 beds2.5 baths3,001 sq ft

1 Battleview Cir, Lexington, MA 02420

Quiet cul-de-sac • Private office • Tons of storage

$1,339,999

4 beds4 baths2,656 sq ft

15 Howard St, Arlington, MA 02476

Renovated two-family • Updated residences • New kitchens

New listings for sale in 02421

EARLY ACCESSCOLDWELL BANKER REALTY COMING SOON

Unknown

4 beds4 baths2,935 sq ft

28 Nickerson Rd, Lexington, MA 02421

0.36 acre lot • Built 1968

EARLY ACCESSCOMPASS COMING SOON

Unknown

5 beds4 baths3,015 sq ft

157 Lincoln St, Lexington, MA 02421

1.59 acre lot • Built 1949

$949,900

3 beds1.5 baths1,608 sq ft

668 Marrett Rd, Lexington, MA 02421

Granite countertops • Wood cabinetry • Flexible layout

OPEN TODAY, 12PM TO 1:30PMVIDEO TOUR

$1,995,000

6 beds4 baths3,713 sq ft

14 White Pine Ln, Lexington, MA 02421

Private entrance • Designated parking • Potential for adu

$3,395,000

5 beds5.5 baths5,001 sq ft

11 Common Ct #11, Lexington, MA 02421

Private wooded lot • Chef's kitchen • Walk-in pantry

$3,395,000

5 beds5.5 baths5,001 sq ft

11 Common Ct, Lexington, MA 02421

Private wooded lot • Chef's kitchen • Walk-in pantry

COMING SOONVIDEO TOUR

$2,850,000

7 beds6.5 baths6,800 sq ft

26 Webster Rd, Lexington, MA 02421

Newer construction • Coveted neighborhood • Open concept kitchen

Home values near 9 King St

Data from public records.

Address	Redfin Estimate
8 King Street, Lexington, MA 3 Beds \| 2.5 Baths \| 2213 Sq. Ft.	$1,430,898
14 King Street, Lexington, MA 4 Beds \| 3 Baths \| 2800 Sq. Ft.	$1,885,579
12 Fern Street, Lexington, MA 3 Beds \| 1 Baths \| 1408 Sq. Ft.	$987,759
40 Fern Street, Lexington, MA 4 Beds \| 3.5 Baths \| 3304 Sq. Ft.	$1,944,160
43 Fern Street, Lexington, MA 4 Beds \| 2.5 Baths \| 2693 Sq. Ft.	$1,689,313
28 Fern Street, Lexington, MA 4 Beds \| 2.5 Baths \| 3356 Sq. Ft.	$1,949,859
47 Fern Street, Lexington, MA 5 Beds \| 3.5 Baths \| 3347 Sq. Ft.	$2,358,984

Address	Redfin Estimate
10 King Street, Lexington, MA 3 Beds \| 2.5 Baths \| 1740 Sq. Ft.	$1,296,790
14 King Street, Lexington, MA 4 Beds \| 3 Baths \| 2437 Sq. Ft.	$1,716,201
36 Fern Street, Lexington, MA 3 Beds \| 2.5 Baths \| 1872 Sq. Ft.	$1,320,532
38 Summit Road, Lexington, MA 3 Beds \| 2 Baths \| 1982 Sq. Ft.	$1,584,702
27 Fern Street, Lexington, MA 5 Beds \| 5.5 Baths \| 6100 Sq. Ft.	$2,938,868
32 Fern Street, Lexington, MA 3 Beds \| 2.5 Baths \| 2168 Sq. Ft.	$1,937,820
21 Fern Street, Lexington, MA 4 Beds \| 3.5 Baths \| 3486 Sq. Ft.	$1,763,594

Address	Redfin Estimate
16 King Street, Lexington, MA 4 Beds \| 5.5 Baths \| 4892 Sq. Ft.	$2,951,286
16 King Street, Lexington, MA 6 Beds \| 5.5 Baths \| 5750 Sq. Ft.	$3,483,051
38 Fern Street, Lexington, MA 1 Beds \| 1 Baths \| 704 Sq. Ft.	$702,546
49 Fern Street, Lexington, MA 4 Beds \| 2 Baths \| 2264 Sq. Ft.	$1,342,790
16 Bridle Path, Lexington, MA 3 Beds \| 3 Baths \| 2445 Sq. Ft.	$1,690,385
48 Summit Road, Lexington, MA 5 Beds \| 3.5 Baths \| 5062 Sq. Ft.	$2,906,698
15 Fern Street, Lexington, MA 5 Beds \| 2.5 Baths \| 3324 Sq. Ft.	$1,809,612

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

Redfin Brokerage Licenses

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

02474 homes for sale
01730 homes for sale
01890 homes for sale
01803 homes for sale
02420 homes for sale

Houses for rent in Lexington	Agents near me	Quincy, MA homes for sale	Lexington Housing Market
Houses for sale near me	Boston, MA homes for sale	Brookline, MA homes for sale
Land for sale near me	Newton, MA homes for sale	Arlington, MA homes for sale
Open Houses near me	Cambridge, MA homes for sale	Lexington Property Records
Condos for sale near me	Lexington, MA homes for sale	MA New Listings

Cambridge homes for sale
Boston homes for sale
Newton homes for sale

About this home

Redfin Estimate

Earn from this home

Market trends in 02421, MA

Sale history for 9 King St

Tax history for 9 King St

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 02421

Home values near 9 King St

More real estate resources