Google street view image for 100 Waltham St, Watertown, MA 02472

Off market dec 2014 for $4.8M

—

Est. refi paymentEst. refi $31,251/mo

•

23 ba

•

14,616

sq ft

100 Waltham St, Watertown, MA 02472

About this home

100 Waltham St is a 14,616 square foot multi-family home on a 0.51 acre lot with 39 bedrooms and 23 bathrooms. - it last sold on December 05, 2014 for $4,850,000.

Multi-familyProperty Type

1972Year Built

0.51 acresLot Size

$332Price/Sq.Ft.

Source:Public Records

Redfin Estimate

There isn’t enough information to generate an accurate estimate at this time. Learn More

Market trends in 02472, MA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.7%

0.3% MoM

Median sale price

$870K

$10K MoM

Avg. days on market

22d

0 days MoM

Recently sold homes

110

2 MoM

New listings for sale

$1,799,000
7 beds2 baths4,400 sq ft
340 School St, Watertown, MA 02472
$699,900
2 beds2 baths1,020 sq ft
69 Galen St #3, Watertown, MA 02472
$785,000
3 beds2 baths1,436 sq ft
66 Wayne Ave, Waltham, MA 02453
$1,395,000
7 beds3 baths3,822 sq ft
128 Summer St, Watertown, MA 02472
$590,000
2 beds1 bath1,140 sq ft
106 Poplar St #1, Watertown, MA 02472
$849,900
3 beds2 baths1,955 sq ft
30 Oakley Rd #2, Watertown, MA 02472
$699,000
3 beds1 bath1,185 sq ft
70 Putnam St #70, Watertown, MA 02472
$987,000
4 beds1.5 baths2,337 sq ft
10 Holly St, Watertown, MA 02472
$750,000
3 beds1.5 baths1,304 sq ft
138 Forest St, Watertown, MA 02472
$749,000
2 beds2 baths1,067 sq ft
3 Repton Cir #3114, Watertown, MA 02472
See all

Provided by Redfin

Sale history for 100 Waltham St

Year

Property tax

Land + Additions

Assessment*

2026

$16,836 (−64.3%)

$1,380,000

2025

$47,207

$1,380,000 + $2,661,700

$4,041,700

2024

$47,249 (−13.8%)

$1,334,000 + $2,704,400

$4,038,400

2023

$54,841 (+3.8%)

$1,334,000 + $2,704,400

$4,038,400

2022

$52,811 (+10.1%)

$1,334,000 + $2,651,700

$3,985,700

2021

$47,980 (+0.9%)

$1,265,000 + $2,651,700

$3,916,700

2020

$47,549 (+5.5%)

$1,265,000 + $2,651,700

$3,916,700

2019

$45,076 (−0.6%)

$1,150,000 + $2,349,700

$3,499,700

2018

$45,348 (−3.0%)

$1,150,000 + $2,216,600

$3,366,600

2017

$46,762 (+1.5%)

$1,150,000 + $2,216,600

$3,366,600

2016

$46,055 (+30.6%)

$1,150,000 + $2,216,600

$3,366,600

2015

$35,271 (+0.5%)

$851,000 + $1,495,700

$2,346,700

2014

$35,107 (+1.9%)

$851,000 + $1,495,700

$2,346,700

2013

$34,450 (+3.0%)

$851,000 + $1,495,700

$2,346,700

2012

$33,461 (+3.4%)

$828,000 + $1,495,700

$2,323,700

2011

$32,346 (+4.6%)

$828,000 + $1,495,700

$2,323,700

2010

$30,928 (+3.9%)

$828,000 + $1,495,700

$2,323,700

2009

$29,775

$920,000 + $1,512,600

$2,432,600

Tax history for 100 Waltham St

Year

Property tax

Land + Additions

Assessment*

2026

$16,836 (−64.3%)

$1,380,000

2025

$47,207

$1,380,000 + $2,661,700

$4,041,700

2024

$47,249 (−13.8%)

$1,334,000 + $2,704,400

$4,038,400

2023

$54,841 (+3.8%)

$1,334,000 + $2,704,400

$4,038,400

2022

$52,811 (+10.1%)

$1,334,000 + $2,651,700

$3,985,700

2021

$47,980 (+0.9%)

$1,265,000 + $2,651,700

$3,916,700

2020

$47,549 (+5.5%)

$1,265,000 + $2,651,700

$3,916,700

2019

$45,076 (−0.6%)

$1,150,000 + $2,349,700

$3,499,700

2018

$45,348 (−3.0%)

$1,150,000 + $2,216,600

$3,366,600

2017

$46,762 (+1.5%)

$1,150,000 + $2,216,600

$3,366,600

2016

$46,055 (+30.6%)

$1,150,000 + $2,216,600

$3,366,600

2015

$35,271 (+0.5%)

$851,000 + $1,495,700

$2,346,700

2014

$35,107 (+1.9%)

$851,000 + $1,495,700

$2,346,700

2013

$34,450 (+3.0%)

$851,000 + $1,495,700

$2,346,700

2012

$33,461 (+3.4%)

$828,000 + $1,495,700

$2,323,700

2011

$32,346 (+4.6%)

$828,000 + $1,495,700

$2,323,700

2010

$30,928 (+3.9%)

$828,000 + $1,495,700

$2,323,700

2009

$29,775

$920,000 + $1,512,600

$2,432,600

*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: 4,872
Basement Type: Finished

Bathroom Information
# of Full Baths: 23

Heating & Cooling
Heating Type: Forced Hot Water

Room Information
# of Rooms: 85

Exterior

Exterior Information
Physical Condition: Average
Construction Type: Steel
Exterior Wall: Shingle
Roof Shape Type: Hip

Property Information
Living Sq. Ft: 14,616
Gross Sq. Ft: 20,648
# of Units: 23
# of Stories: 3

Parking & Garage Information
Parking Type: Paved

Lot Information
# of Buildings: 1
Land Sq. Ft: 22,216
Municipality Name: WATERTOWN
Acres: 0.51
Zoning Code: R1.2
State Use Description: APARTMENT BLDG - 9 + UNITS

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 39
Baths: 23.0
Sq. Ft.: 14,616
Stories: 3.0
Lot Size: 0.51 acres
Style: Multi-Family (5+ Unit)
Year Built: 1972
Year Renovated: —
County: Middlesex County
APN: 1761237S

Home facts updated by county records on Sep 11, 2026

Around this home

Schools

Cunniff Elementary School

Public PreK-5 • Assigned • 0.6mi

8/10

Watertown Middle School

Public 6-8 • Assigned • 0.7mi

7/10

Watertown High School

Public 9-12 • Assigned • 0.6mi

6/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Watertown's urban-suburban feeling paired with its proximity to Cambridge & Boston have caused it to rapidly transform into a destination for home buyers. Historically a manufacturing city, it has changed into a restaurant, shopping, and biotech hub...
2 weeks ago • Watertown
Benjamin Ginsburg
Redfin Premier agent
155 deals
Was this helpful?
Watertown’s market has exploded in recent years, with high home prices. Located close to Boston, it offers the perfect balance of a seamless urban commute and the tranquility of suburban living. Enhanced by flexible MBTA bus options and its location...
2 weeks ago • Watertown
Kyle MacNichol
Redfin Premier agent
57 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

6/10 Heat Factor

7 days above 96° expected this year, 16 days in 30 years

6/10 Wind Factor

54% 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

Watertown, MA • 02472

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

Is this your home?

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Home values near 100 Waltham St

Data from public records.

Address	Redfin Estimate
92 Waltham Street, Watertown, MA 6 Beds \| 4 Baths \| 3485 Sq. Ft.	—
39 Bridge Street, Watertown, MA 16 Beds \| 16 Baths \| 12960 Sq. Ft.	—

Address	Redfin Estimate
95 Waltham Street, Watertown, MA 11 Beds \| 6 Baths \| 3328 Sq. Ft.	—
11 Swetts Court, Watertown, MA 8 Beds \| 2 Baths \| 2498 Sq. Ft.	$1,001,320

Address	Redfin Estimate
101 Waltham Street, Watertown, MA 11 Beds \| 6 Baths \| 5575 Sq. Ft.	—
6 Jensen Road, Watertown, MA 4 Beds \| 2.5 Baths \| 2875 Sq. Ft.	$1,110,970

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Market trends in 02472, MA

Sale history for 100 Waltham St

Tax history for 100 Waltham St

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Is this your home?

Nearby similar homes

New listings for sale in 02472

Home values near 100 Waltham St

More real estate resources