
21 Helen Dr Marlborough — Photo 1 of 40
$794,900
21 Helen Dr, Marlborough, MA 01752
Marlborough, MA 01752
Beds
4
Baths
3
SqFt
2,976
Style
Single Family
Built
1959
Welcome to this beautiful 4-bedroom, 3-full-bath ranch-style home nestled in a peaceful cul-de-sac. The spacious layout offers a comfortable flow with a primary suite featuring a walk-in closet and private bath, an updated kitchen with quality cabinetry and granite countertops, and separate living, dining, and family rooms. The finished walk-out basement adds even more flexibility with a large recreation room, dedicated office, laundry area, full bath, and kitchenette. Step outside to mature landscaping and a private backyard designed to be enjoyed, featuring a heated in-ground pool and custom-built grilling. Extensive outdoor lighting and irrigation enhance the grounds throughout the seasons. Additional features include solar energy, four heating zones, security cameras, timer-controlled exterior lighting, and an oversized garage with custom storage, shelving, and work space. The property also offers potential for an ADU addition, subject to buyer due diligence and applicable town approvals. A well-appointed home offering space, privacy, functionality, and exceptional indoor-outdoor living. Sellers are actively seeking suitable housing. Sale is conditional on the sellers securing a suitable property—flexible closing may be required.OFFER ACCEPTED WITH BUYER HOME SALE CONTINGENCY. BACK UP OFFERS WELCOME.
Market Value Analysis
* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Marlborough, MA.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Gas Water Heater • Water Heater • Range • Dishwasher • Disposal • Microwave • Refrigerator
Neighborhood
Public Transportation • Shopping • Pool • Park • Walk/Jog Trails • Highway Access
Geography
Floorplan Breakdown
Structural Layout
Living Room
Lvl FirstDining Room
Lvl FirstKitchen
Lvl FirstFamily Room
Lvl SecondMaster Bedroom
Lvl FirstBedroom 2
Lvl FirstBedroom 3
Lvl FirstBedroom 4
Lvl FirstBathroom 1
Lvl FirstBathroom 2
Lvl FirstBathroom 3
Lvl BasementPopulation
41,647
U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)
Median Household Income
$92K
U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)
Renter-Occupied Homes
44.0%
U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)
New Construction Permits — Middlesex County
2,667 housing units permitted in the last 12 months (-2% vs the prior 12 months) — 1,709 in 5+ unit buildings
U.S. Census Bureau, Building Permits Survey (through Jun '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 2,976 sq ft principal dwelling). Lot size: 20,776 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: Danielle Santos
Listing Office: eXp Realty LLC
MLS® Number: 73568437
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