139 Middlesex St, Chelmsford MA 01863

Chelmsford, MA 01863
$799,000
Est. $4,904/month
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.

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5
Beds
2
Baths
2,318
Sq Ft
$345
Price/Sq Ft
0.17
Acres
1925
Year Built
2
Garage Spaces
New today
Time on Market
For Sale Listed Oct 14, 2026 • MLS# 73590480 Copied! • Updated Oct 14, 2026

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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.

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Recently Sold Nearby

Price & Status History

Property Timeline

🏠
Listed for Sale
Oct 14, 2026
$799,000
Original listing
Agent: Christian Doherty Office: Doherty Properties

Tax History

Year Taxes Assessment
2026 $7,966 $600,300

Financial Details

Annual Property Tax
$7,966
Tax Year 2026
Assessed Value
$600,300

Facts & Features

2 Car Garage

Home Facts

Type Residential Income
Style Multi Family
Year Built 1925
Living Area 2,318 sq ft
Lot Size 0.17 acres
Stories 2
Bedrooms 5
Full Baths 2
Total Rooms 11

Investment Metrics

Units 2
Unit 1 Rent $2,650/mo · N
Unit 2 Rent $2,625/mo · Y
Total Monthly Rent $5,275/mo
Gross Income $63,300
Net Operating Income $58,339
Operating Expenses $4,961
Water/Sewer Expense $1,574
Insurance Expense $1,887
Cap Rate 7.30%
Heating Ductless, Steam, Natural Gas, Unit Control
Cooling Ductless, None
Flooring Wood, Vinyl, Carpet, Hardwood
Appliances Range, Dishwasher, Microwave, Refrigerator, Washer, Dryer, Other
Fireplace None
Basement Full, Interior Entry, Concrete
Laundry Washer Hookup
Features Ceiling Fan(s), Stone/granite/solid Counters, Bathroom With Tub & Shower, Other, Living Room, Dining Room, Kitchen
Construction None
Architecture None
Roof Shingle
Features Balcony/deck, Rain Gutters
Pool None
Spa None
Fencing None
Patio/Porch Porch
Garage Spaces 2
Has Garage Yes
Features Paved Drive, Off Street, Assigned
Total Spaces 6
Electric Circuit Breakers
Water Public
Sewer Public Sewer
Gas None
Other For Gas Range, For Electric Range, Washer Hookup

Financial

Annual Tax $7,966
Assessed Value $600,300
Fee Includes None
Amenities None
Optional Fee Includes None
Lead Paint Certified Treated, Unknown
Seller Disclosures All Information Deemed Reliable But Not Guaranteed. Seller Has Reviewed And Approved All Listing Information. Buyer And Buyers Agent To Verify All Information Including Measurements, Square Footage, Room Sizes, Taxes, And Property Details. Listing Agent And Seller Did Not Measure The Property.
Possession None
Accepted Financing None
Structure Type []
Sq Ft Source Public Record
Sq Ft Disclosures Buyer to verify measurements. Listing Agent and Seller did not measure.
Documents None
County Middlesex

Property Overview

Property Type
Multi Family
Listing Type
For Sale
Year Built
1925
Bedrooms
5
Full Bathrooms
2
Living Area
2,318 sq ft
Total Rooms
11
Stories
2
Levels
2

Floor Layout

Interior Features

Flooring: Wood, Vinyl, Carpet, Hardwood
Appliances: Range, Dishwasher, Microwave, Refrigerator, Washer, Dryer, Other
Interior Features: Ceiling Fan(s), Stone/Granite/Solid Counters, Bathroom With Tub & Shower, Other, Living Room, Dining Room, Kitchen
Windows: Insulated Windows, Storm Window(s)
Basement: Full, Interior Entry, Concrete
Laundry: Washer Hookup
Security:

Construction & Materials

Year Built: 1925
Structure Type:
Exterior Materials:
Roof: Shingle
Foundation: Stone
Stories: 2

Utilities & Systems

Heating: Ductless, Steam, Natural Gas, Unit Control
Cooling: Ductless, None
Hot Water: Tank
Water Source: Public
Sewer: Public Sewer
Energy Features:

Exterior & Lot

Exterior Features: Balcony/Deck, Rain Gutters
Patio & Porch: Porch
Fencing:
Other Structures:
Lot Features:
Road Surface: Paved

Parking & Garage

Garage Spaces: 2
Total Parking Spaces: 6
Parking Features: Paved Drive, Off Street, Assigned
School District
Chelmsford School District local
A
✓ School Safety 2024-25
0.7% Low
0.6% Suspensions 1.0% In-School 0.1% Emergency
↓ 4.8% below state avg
E

Elementary Schools

3 schools
C+
Collegiate Charter School of Lowell
0.6 mi | #244 of 346 | Score: 47.6
Improved 21 spots from last year
-10.6 below state avg
1,205 students Very Diverse
Rising School College Ready Curriculum Diverse Student Body Strong Attendance
Grades K-12
B+
Charles D Harrington School
1.0 mi | #323 of 825 | Score: 49.9
Improved 141 spots from last year
-8.3 below state avg
468 students Diverse
Rising School Diverse Student Body Strong Attendance
Grades K-04
Lighthouse School
1.0 mi
Grades PK-12
M

Middle Schools

3 schools
A-
McCarthy Middle School
1.2 mi | #81 of 352 | Score: 51.7
Improved 23 spots from last year
-6.5 below state avg
801 students Diverse
Rising School Strong Attendance
Grades 07-08
A-
Colonel Moses Parker School
1.4 mi | #227 of 825 | Score: 53.3
Dropped 83 spots from last year
-4.9 below state avg
817 students Diverse
Strong Attendance
Grades 05-06
C+
Dr. An Wang School
1.4 mi | #249 of 352 | Score: 36.2
Improved 44 spots from last year
-22 below state avg
669 students Very Diverse
Rising School Diverse Student Body
Grades 05-08
H

High Schools

3 schools
A
Chelmsford High School
1.0 mi | #62 of 346 | Score: 65.7
Dropped 40 spots from last year
+7.5 above state avg
1,442 students Diverse
20 sports • 2,624 athletes
Strong AP Program High Graduation Rate College Ready Curriculum Strong Athletics
Grades 09-12
B-
Greater Lowell Regional Vocational Technical School
1.5 mi | #178 of 346 | Score: 53.7
Improved 133 spots from last year
-4.5 below state avg
2,312 students Very Diverse
High Graduation Rate Rising School Career Tech Programs Diverse Student Body
Grades 09-12
F
The Career Academy
2.4 mi | #25 of 25 | Score: 18.1
Improved 363 spots from last year
-40.1 below state avg
108 students Diverse
Rising School Diverse Student Body
Grades 09-12
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Monthly Payment Breakdown

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Property Tax $664
Homeowners Insurance $200
PMI (if <20% down) $0

Loan Summary

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Year 1
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Year 15
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Year 30
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Neighborhood

139 Middlesex St, Chelmsford MA 01863

Chelmsford, MA 01863

Listing Information

Listing Agent Christian Doherty
Listing Office Doherty Properties
Office Phone 978-746-0124
Agent MLS ID CT003020
Office MLS ID AC0904
Listing Data Updated Oct 14, 2026 10:06 AM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.

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