20 Clematis Ave, Waltham MA 02453

Waltham, MA 02453

$2,495,000

Est. $14,814/month

11,144

Sq Ft

$224

Price/Sq Ft

0.24

Acres

1950

Year Built

61

Days on Market

Active Listed May 12, 2026 • MLS# 73517055 Copied! • Updated May 16, 2026

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About this home

Multi-tenant or owner occupant flex building for sale. Building currently includes 3 units, including a small 416 sq.ft. office (owner occupied until closing), 6,000 sq.ft. of light assembly/production and office space (formerly used as a commercial printing and graphics business), and 4,786 sq.ft. warehouse space on ground floor (currently used as a boxing gym and fitness club). Former printing space has central air conditioning and dedicated loading dock. Ground floor has grade level and tailboard loading doors. 8 of the 18 parking spaces are located in the commonly owned 1 Wilber Street parcel.

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Recently Sold Nearby

Property History

Property Timeline

🏠

Listed for Sale

May 12, 2026

$2,495,000

Original listing

Agent: John Nealon Office: W. J. Nealon Commercial Realty, Inc.

Detailed History Table ▼

Date	Event	Price	Change	$/sqft	Details
05/12/2026	🏠 Listed for Sale	$2,495,000	-	-	Original listing

Tax History

Year	Taxes	Assessment
2025	$23,975	—

Financial Details

Annual Property Tax

$23,975

Tax Year 2025

Facts & Features

Home Facts

Type Commercial Sale

Year Built 1950

Living Area 11,144 sq ft

Lot Size 0.24 acres

Interior

Heating None

Cooling None

Flooring None

Appliances None

Fireplace None

Basement None

Laundry None

Features None

Exterior

Construction None

Architecture None

Roof None

Features None

Pool None

Spa None

Fencing None

Patio/Porch None

Parking

Features None

Utilities

Electric None

Water None

Sewer None

Gas None

Other None

Financial

Annual Tax $23,975

HOA & Community

Fee Includes None

Amenities None

Optional Fee Includes None

MA Disclosures

Seller Disclosures Please Ask About Parking And Loading Easements On Neighboring Sites. Sale Also Includes Ownership Interest In Parcel Across Street Known As 1 Wilbur Street Which Is With Owners Of 12 & 30 Clematis, And Comprises 0.18 Acres.

Additional Details

Possession None

Accepted Financing None

Structure Type []

Documents None

County Middlesex

Property Overview

Listing Type

Commercial Sale

Year Built

1950

Living Area

11,144 sq ft

Room Details

Other Floor

Bathroom1

Bedroom5

Bedroom4

Bedroom3

Dining Room

Kitchen

Bathroom2

Bedroom2

Living Room

Bathroom3

Master Bedroom

Office

Family Room

Master Bathroom

Interior Features

Flooring:

Appliances:

Interior Features:

Windows:

Basement:

Laundry:

Security:

Construction & Materials

Year Built: 1950

Structure Type:

Exterior Materials:

Roof:

Foundation:

Heating, Cooling & Utilities

Heating:

Cooling:

Hot Water:

Water Source:

Sewer:

Energy Features:

Exterior & Lot

Exterior Features:

Patio & Porch:

Fencing:

Other Structures:

Lot Features:

Road Surface:

Parking & Garage

Parking Features:

Nearby Schools

School District

Waltham School District local

B+

✓ School Safety 2024-25

2.3% Average

2.2% Suspensions 1.4% In-School 0.1% Emergency

↓ 3.2% below state avg

E

Elementary Schools

10 schools

The Lumen Academy

0.7 mi

Grades PK-08

Our Lady's Academy

2.2 mi

Grades PK-08

Milestones Day School

2.6 mi

Grades 02-12

B+

James Fitzgerald Elementary School

0.3 mi | #270 of 824 | Score: 51.8

Improved 2 spots from last year

-6.4 below state avg

350 students Diverse

Diverse Student Body Strong Attendance

Grades K-05

B-

Dual Language School

1.4 mi | #433 of 824 | Score: 46.6

Dropped 101 spots from last year

-11.6 below state avg

222 students Moderate

Grades K-05

B

Northeast Elementary School

1.7 mi | #352 of 824 | Score: 49.1

Improved 255 spots from last year

-9.1 below state avg

527 students Diverse

Rising School Diverse Student Body

Grades PK-05

B

Henry Whittemore Elementary School

1.7 mi | #357 of 824 | Score: 49.0

Improved 144 spots from last year

-9.2 below state avg

372 students Moderate

Rising School

Grades K-05

B+

Thomas R Plympton Elementary School

1.9 mi | #303 of 824 | Score: 50.8

Improved 344 spots from last year

-7.4 below state avg

357 students Diverse

Rising School Diverse Student Body

Grades K-05

B-

William F. Stanley Elementary School

2.6 mi | #420 of 824 | Score: 47.2

Improved 49 spots from last year

-11.1 below state avg

381 students Diverse

Rising School Diverse Student Body

Grades PK-05

A-

Douglas MacArthur Elementary School

2.7 mi | #185 of 824 | Score: 55.9

Improved 213 spots from last year

-2.3 below state avg

475 students Diverse

Rising School Diverse Student Body

Grades K-05

M

Middle Schools

2 schools

B

John W. McDevitt Middle School

1.5 mi | #160 of 352 | Score: 43.8

Dropped 17 spots from last year

-14.4 below state avg

618 students Diverse

Grades 06-08

A-

John F Kennedy Middle School

1.6 mi | #94 of 352 | Score: 50.3

Improved 34 spots from last year

-7.9 below state avg

635 students Diverse

Rising School Diverse Student Body

Grades 06-08

H

High Schools

4 schools

Gann Academy-The New Jewish High School

1.0 mi

Grades 09-12

Waltham Valor High School

1.4 mi

49 students Less Diverse

Grades 09-12

B-

Waltham Senior High School

1.6 mi | #179 of 346 | Score: 53.0

Improved 59 spots from last year

-5.2 below state avg

1,791 students Diverse

21 sports • 1,802 athletes

Early College Program Rising School Career Tech Programs College Ready Curriculum

Grades 09-12

Chapel Hill Chauncy Hall School

1.6 mi

Grades 09-12

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Location

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Neighborhood

20 Clematis Ave, Waltham MA 02453

Waltham, MA 02453

Listing Information

Listing Agent John Nealon

Listing Office W. J. Nealon Commercial Realty, Inc.

Office Phone 617-926-1110

Agent MLS ID NB112111

Office MLS ID NB2551

Listing Data Updated May 16, 2026 3:05 AM EDT

Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.

Contact Us

Steven Novak

BMN Boston Real Estate

(617) 955-2224 mail@steve-novak.com

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