Waltham Investment Property with Expansion Potential

11 Derby St, Waltham, MA 02453

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For Sale

$799,000

Income-producing property in Waltham with redevelopment and expansion possibilities.

Type:Investment

HighLights

Prime redevelopment opportunity in Waltham's desirable South Side.
RB zoning with Old Lot Opinion flexibility allows for a 1647 sq ft buildable footprint.
Expansion potential, including possible accessory dwelling unit (ADU), subject to approvals.
Income‑producing investment property with two large 1‑bedroom units.
High walk score of 90 indicates a Walker's Paradise.
Seller finance option may be available.

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Contact an agent

Lisa Lyons

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For Sale

$799,000

Income-producing property in Waltham with redevelopment and expansion possibilities.

Type:Investment

Added:: Apr 24, 2026
Days on Market:: 74
Last Refresh:: Apr 24 at 5:56 pm

Property Features for 11 Derby St

General Information

Standard status: Active
Property subtype: Investment

Building Details

Year Built: 1900

We can help!

Contact an agent

Lisa Lyons

Listing office

Listing date Apr 24, 2026

Source Elliman

Displayed information is deemed reliable but is not guaranteed and should be independently verified.

All listing content including descriptions, pricing, images are the copyrighted material of Lisa Lyons

HighLights

Prime redevelopment opportunity in Waltham's desirable South Side.
RB zoning with Old Lot Opinion flexibility allows for a 1647 sq ft buildable footprint.
Expansion potential, including possible accessory dwelling unit (ADU), subject to approvals.
Income‑producing investment property with two large 1‑bedroom units.
High walk score of 90 indicates a Walker's Paradise.
Seller finance option may be available.

Overview

This property presents a builder and investor opportunity in the desirable South Side of Waltham. Currently configured as an income-producing investment property, it features two large 1-bedroom units. The property is located in an RB zoning district, offering Old Lot Opinion flexibility. This allows for a 1647 sq ft buildable footprint and reduced side-yard setback requirements, according to town guidelines. The existing two-family structure has potential for redevelopment, condo conversion, or expansion, including the possibility of an accessory dwelling unit (ADU), all subject to municipal approvals. The location is considered very bikeable with a bike score of 75 and a walker's paradise with a walk score of 90. Transit options are available, indicated by a transit score of 43.

Location Intelligence

Current Use by Public Records

Duplexes

Suggested Use

Location Insight

Map
Local Demand

City: Waltham
County: Middlesex
State: Massachusetts
Longitude: -71.238574
Latitude: 42.3613842

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For sale
Duplexes
MA
Waltham
02453
11 Derby St

What type of property is this?

Duplex - Income-producing property in Waltham with redevelopment and expansion possibilities.

Where is this duplex located?

The property is located at 11 Derby St Waltham, MA.

What is the asking price?

The asking price for this property is $799,000.

What are key features of this property?

This property features: Prime redevelopment opportunity in Waltham's desirable South Side.; RB zoning with Old Lot Opinion flexibility allows for a **1647 sq ft buildable footprint**.; Expansion potential, including possible accessory dwelling unit (ADU), subject to approvals.