303 Harwood Ave Littleton — Photo 1 of 15
$2,050,000
303 Harwood Ave, Littleton, MA 01460
Littleton, MA 01460
Beds
5
Baths
5.5
SqFt
4,557
Style
Single Family
Built
2026
Spectacular modern farmhouse set on 2.4 acres abutting conservation land, offering privacy and a beautiful natural backdrop. This thoughtfully designed home features 5 bedrooms and 5.5 baths, including primary suites on both the first and second floors—ideal for flexibility and multigenerational living. With 4,557 sq ft of above-ground living space, the layout blends sophistication and function, highlighted by a spacious pantry, mudroom, and open-concept living areas. Enjoy outdoor living on the expansive deck overlooking serene surroundings. Additional features include a 3-car garage, town water, 6-bedroom septic system, and irrigation. Ideally located near commuter rail to Boston, The Point in Littleton, Cornerstone Square, Kimball Farm, and Routes 495, 3 & 2. Currently under construction with delivery by or before Thanksgiving.
Key facts
It was listed on April 28, 2026. The price has gone up from an original $2,049,900 to $2,050,000, most recently on August 17, 2026. It sits on a 2.41-acre (104,979 sq ft) lot.
Immersive Experience
Market Value Analysis
* Analysis is based on 18 actively listed and recently sold comparable properties strictly within Littleton, MA.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Gas Water Heater • Range • Oven • Dishwasher • Microwave • Refrigerator
Neighborhood
Public Transportation • Shopping • Park • Walk/Jog Trails • Stable(s) • Golf
Geography
Floorplan Breakdown
Structural Layout
Dining Room
Lvl FirstFlooring - Hardwood
Kitchen
Lvl FirstFlooring - Hardwood, Pantry, Countertops - Stone/Granite/Solid, Kitchen Island, Recessed Lighting, Stainless Steel Appliances
Family Room
Lvl FirstFlooring - Hardwood, Recessed Lighting
Primary Bedroom
Lvl SecondBathroom - Full, Bathroom - Double Vanity/Sink, Walk-In Closet(s), Flooring - Hardwood, Recessed Lighting
Bedroom 2
Lvl SecondBedroom 3
Lvl SecondBathroom - Full, Closet, Flooring - Wall to Wall Carpet
Bedroom 4
Lvl SecondBathroom - 3/4, Walk-In Closet(s), Flooring - Wall to Wall Carpet
Bedroom 5
Lvl FirstBathroom - 3/4, Walk-In Closet(s), Flooring - Wall to Wall Carpet
Bathroom 1
Lvl FirstBathroom - Half
Bathroom 2
Lvl FirstBathroom - 3/4, Bathroom - With Shower Stall, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid
Bathroom 3
Lvl SecondBathroom - With Tub & Shower, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid
Property History
$2,050,000
Was $2,049,900
Aug 17, 2026
MLS® 73508914
$2,049,900
Apr 28, 2026
MLS® 73508914
Questions about this home
When was 303 Harwood Ave, Littleton listed?
303 Harwood Ave, Littleton was listed on April 28, 2026.
Has the price of 303 Harwood Ave, Littleton changed?
The price has gone up from an original $2,049,900 to $2,050,000, most recently on August 17, 2026.
How big is the lot at 303 Harwood Ave, Littleton?
303 Harwood Ave, Littleton sits on a 2.41-acre (104,979 sq ft) lot.
What is the status of 303 Harwood Ave, Littleton?
303 Harwood Ave, Littleton is actively listed for sale.
Population
10,280
U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)
Median Household Income
$150K
U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)
Renter-Occupied Homes
16.4%
U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)
New Construction Permits — Middlesex County
2,698 housing units permitted in the last 12 months (+3% vs the prior 12 months) — 1,713 in 5+ unit buildings
U.S. Census Bureau, Building Permits Survey (through Jul '26)
ADU Potential
Massachusetts allows one accessory dwelling unit by right in single-family zoning districts statewide (M.G.L. c. 40A §3; 760 CMR 71.00, effective Feb 2025). Estimated maximum ADU size for this property: 900 sq ft (the lesser of 900 sq ft or half the 4,557 sq ft principal dwelling). Lot size: 104,979 sq ft.
Based on listing data, which indicates the property type — not the zoning district. Local dimensional, septic (Title 5), and historic-district requirements still apply. Not legal advice — verify with the municipality.
Listing Agent: Touchstone Partners Team
Listing Office: Keller Williams Realty-Merrimack
MLS® Number: 73508914
