139 Middlesex St, Chelmsford MA 01863
Estimate assumptions
20% down, a 30-year loan at 6.5%, and $200/month estimated insurance.
Includes the supplied property-tax and HOA inputs; missing inputs contribute $0. HOA fees with an unspecified frequency are treated as monthly. PMI and closing costs are excluded.
Adjust the payment calculatorTrack this home for price, status, and open-house alerts.
About this home
Welcome to this well-maintained two-family home offering an ideal blend of space, flexibility, and opportunity in a convenient Chelmsford location. Whether you're looking to owner-occupy while generating rental income, accommodate extended family, or expand your investment portfolio, this property offers plenty of possibilities. Both units feature spacious layouts with dedicated living and dining rooms, hardwood flooring, and abundant natural light. The first-floor unit offers a flexible floor plan, The second-floor unit features three bedrooms along with an inviting living room, dining room, and kitchen with granite countertops. Separate utilities add convenience for both occupants and ownership. A full basement with interior and exterior access provides additional functionality, while the porch and outdoor space offer even more room to enjoy. Conveniently located near Varney Playground, Freeman Lake, shopping, public transportation, highway access, walking and biking trails, and everyday amenities. Additional seller-provided details: Unit 1 (141, downstairs) is heated and cooled by high efficiency ductless mini-splits and features wall-to-wall carpet in bedrooms, granite countertops, tile backsplash, and stainless steel appliances; Unit 2 (139, upstairs) has a dedicated washer/dryer in the basement and features granite countertops, tile backsplash, and stainless steel appliances.
View in the App
Save this property, schedule tours instantly, and get alerts when the price drops
Scan with phone
Public Records & Permits
Log in to view assessor & tax records, ownership history, and recent building permits for this property.
BMN Estimate
Get the number an algorithm can't give you
A free agent CMA factors in condition, upgrades, and the street — the things comps alone can't see.
Recently Sold Nearby
Price & Status History
Property Timeline
Listed for Sale
Oct 14, 2026| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 10/14/2026 | 🏠 Listed for Sale | $799,000 | - | - | Original listing |
Tax History
| Year | Taxes | Assessment |
|---|---|---|
| 2026 | $7,966 | $600,300 |
Financial Details
Facts & Features
Home Facts
Investment Metrics
Interior
Exterior
Parking
Utilities
Financial
HOA & Community
MA Disclosures
Additional Details
Property Overview
Floor Layout
Interior Features
Construction & Materials
Utilities & Systems
Exterior & Lot
Parking & Garage
Nearby Schools
Elementary Schools
3 schoolsMiddle Schools
3 schoolsHigh Schools
3 schoolsMonthly Payment Calculator
Monthly Payment Breakdown
Loan Summary
Rate Impact
Payment Over Time
Location
Neighborhood
139 Middlesex St, Chelmsford MA 01863
Chelmsford, MA 01863
Listing Information
Contact Us
Similar Homes for Sale
Comparable Properties
Customize Comparable Search
Finding comparable properties...

