Google street view image for 870 Waltham St, Lexington, MA 02421

Off market

$1,298,303

•

2.5 ba

•

2,402

sq ft

870 Waltham St, Lexington, MA 02421

About this home

870 Waltham St is a 2,402 square foot multi-family home on a 0.73 acre lot with 4 bedrooms and 2.5 bathrooms. Based on Redfin's Lexington data, we estimate the home's value is $1,298,303.

Multi-familyProperty Type

1988Year Built

0.73 acresLot Size

$541Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,298,303

$7,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 7.9% lower than the average sale price ($1.41M) of 6 comparable homes.

SOLD SEP 2, 2026
$1,350,000
A
4 beds2.5 baths2,364 sq ft
34 Blossomcrest Rd, Lexington, MA 02421
SOLD JUL 31, 2026
$1,620,000
B
5 beds2 baths2,460 sq ft
552 Concord Ave, Lexington, MA 02421
SOLD AUG 13, 2026
$1,480,000
C
3 beds3 baths2,007 sq ft
241 Worthen Rd E, Lexington, MA 02421
SOLD JUL 10, 2026
$1,050,000
D
3 beds2 baths2,330 sq ft
780 Waltham St, Lexington, MA 02421
SOLD DEC 22, 2025
$1,510,000
E
4 beds2.5 baths2,564 sq ft
69 Bridge St, Lexington, MA 02421
SOLD JUN 22, 2026
$1,450,000
F
3 beds2.5 baths3,042 sq ft
98 Blossomcrest Rd, Lexington, MA 02421

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Earn from this home

Sell

$1,232,959

Est. take-home

List your home with Redfin and save $6,492

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
$1,899,000
4 beds3.5 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
NEW 16 HRS AGO
$949,900
3 beds1.5 baths1,608 sq ft
668 Marrett Rd, Lexington, MA 02421
OPEN TODAY, 11AM TO 12:30PM
$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
EARLY ACCESS
$1,979,000
4 beds4 baths4,548 sq ft
6 Lake St, Lexington, MA 02421
See all

Provided by Redfin

Sale history for 870 Waltham St

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

Year

Property tax

Land + Additions

Assessment*

2026

$16,705 (+4.0%)

$679,000 + $678,000

$1,357,000

2025

$16,058 (−2.2%)

$647,000 + $666,000

$1,313,000

2024

$16,427 (+1.7%)

$616,000 + $725,000

$1,341,000

2023

$16,146 (+6.6%)

$561,000 + $681,000

$1,242,000

2022

$15,152 (+4.0%)

$510,000 + $588,000

$1,098,000

2021

$14,563 (+3.5%)

$485,000 + $527,000

$1,012,000

2020

$14,064 (+3.6%)

$485,000 + $516,000

$1,001,000

2019

$13,569 (+2.0%)

$462,000 + $499,000

$961,000

2018

$13,299 (+15.9%)

$440,000 + $490,000

$930,000

2017

$11,476 (+1.9%)

$406,000 + $386,000

$792,000

2016

$11,257 (+0.1%)

$382,000 + $389,000

$771,000

2014

$11,245 (+4.1%)

$309,000 + $416,000

$725,000

2013

$10,807 (+4.8%)

$309,000 + $402,000

$711,000

2012

$10,314 (+4.6%)

$292,000 + $397,000

$689,000

2011

$9,864 (+3.9%)

$281,000 + $404,000

$685,000

2010

$9,494 (+3.2%)

$281,000 + $404,000

$685,000

2009

$9,196

$296,000 + $413,000

$709,000

Tax history for 870 Waltham St

Year

Property tax

Land + Additions

Assessment*

2026

$16,705 (+4.0%)

$679,000 + $678,000

$1,357,000

2025

$16,058 (−2.2%)

$647,000 + $666,000

$1,313,000

2024

$16,427 (+1.7%)

$616,000 + $725,000

$1,341,000

2023

$16,146 (+6.6%)

$561,000 + $681,000

$1,242,000

2022

$15,152 (+4.0%)

$510,000 + $588,000

$1,098,000

2021

$14,563 (+3.5%)

$485,000 + $527,000

$1,012,000

2020

$14,064 (+3.6%)

$485,000 + $516,000

$1,001,000

2019

$13,569 (+2.0%)

$462,000 + $499,000

$961,000

2018

$13,299 (+15.9%)

$440,000 + $490,000

$930,000

2017

$11,476 (+1.9%)

$406,000 + $386,000

$792,000

2016

$11,257 (+0.1%)

$382,000 + $389,000

$771,000

2014

$11,245 (+4.1%)

$309,000 + $416,000

$725,000

2013

$10,807 (+4.8%)

$309,000 + $402,000

$711,000

2012

$10,314 (+4.6%)

$292,000 + $397,000

$689,000

2011

$9,864 (+3.9%)

$281,000 + $404,000

$685,000

2010

$9,494 (+3.2%)

$281,000 + $404,000

$685,000

2009

$9,196

$296,000 + $413,000

$709,000

*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: 840

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: 8

Exterior

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

Property Information
Living Sq. Ft: 2,402
Gross Sq. Ft: 4,097
Ground Floor Sq. Ft: 1,394
# of Units: 1
# of Stories: 2

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

Lot Information
# of Buildings: 1
Land Sq. Ft: 31,799
Municipality Name: LEXINGTON
Acres: 0.73
Zoning Code: RO
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 4
Baths: 2.5
Sq. Ft.: 2,402
Stories: 2.0
Lot Size: 0.73 acres
Style: Multi-Family (2-4 Unit)
Year Built: 1988
Year Renovated: —
County: Middlesex County
APN: 24275S

Home facts updated by county records on Sep 10, 2026

Around this home

Schools

Bowman Elementary School

Public K-5 • Assigned • 0.7mi

10/10

Jonas Clarke Middle School

Public 6-8 • Assigned • 0.7mi

10/10

Lexington High School

Public 9-12 • Assigned • 1.6mi

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
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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

$1.23M – $1.49M

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Home values near 870 Waltham St

Data from public records.

Address	Redfin Estimate
880 Waltham Street, Lexington, MA 4 Beds \| 2.5 Baths \| 2388 Sq. Ft.	$1,441,596
1 Piper Road, Lexington, MA 4 Beds \| 2.5 Baths \| 2980 Sq. Ft.	$1,421,826

Address	Redfin Estimate
890 Waltham Street, Lexington, MA 4 Beds \| 2.5 Baths \| 2558 Sq. Ft.	$1,575,529
6 April Lane #11, Lexington, MA 2 Beds \| 2 Baths \| 1184 Sq. Ft.	$622,805

Address	Redfin Estimate
3 Piper Road, Lexington, MA 9 Beds \| 4.5 Baths \| 4224 Sq. Ft.	$2,055,287
6 April Lane #15, Lexington, MA 2 Beds \| 2 Baths \| 1155 Sq. Ft.	$618,128

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