Active
217 Days on market
186 Spring St Hopkinton — Photo 1 of 36
$3,450,000
186 Spring St, Hopkinton, MA 01748
Hopkinton, MA 01748
Beds
4
Baths
2.5
SqFt
3,014
Style
Single Family
Built
1986
Prime Investment Opportunity: 20.9-Acre Private Estate in Top-Rated Hopkinton School District Nestled on an expansive 20.9-acre wooded lot bordering the Upton State Forest (one of the largest in Hopkinton), 186 Spring Street offers exceptional privacy, tucked deep in the forest with mature trees and natural seclusion. This rare parcel provides significant development potential — including the possibility of subdividing or building additional homes. Enjoy the prestigious Hopkinton Public Schools district, consistently ranked among Massachusetts' best. The charming 4-bedroom, 2.5-bath Colonial (3,014 sq ft, built 1986) features an attached 2-car garage, spacious layout, and basement for expansion. Convenient access to I-495/I-90! This property is about 2 Miles from the Lake Whitehall boat ramp and beach. Enjoy all sorts of outdoor activities nearby! Buyer to perform Due Diligence on developing the land.
Market Value Analysis
This Property
Size (SqFt) →Price →This Property$1145/sqft
Local Avg (Hopkinton)$383/sqft
199% AboveMarket Average
* Analysis is based on 23 actively listed and recently sold comparable properties strictly within Hopkinton, MA.
Property Details
Financials
Original Price$3,750,000
Annual Taxes$12,252
Parking
Garage2
Off-Street12
Interior Specifications
Total Rooms9
Fireplaces1
FlooringWood, Tile, Vinyl, Eucalyptus
BasementFull, Interior Entry, Garage Access, Concrete, Unfinished
Climate & Utilities
HeatingElectric
CoolingNone
WaterPrivate
SewerPrivate Sewer
Building & Exterior
ConstructionFrame
RoofShingle
FoundationConcrete Perimeter
ZoningA
Property & Lot
Acres20.9
SqFt Lot910,291
Lot FeaturesWooded, Gentle Sloping
Amenities & Appliances
Electric Water Heater • Range • Dishwasher • Microwave • Refrigerator • Washer • Dryer • Vacuum System
Neighborhood
Walk/Jog Trails • Conservation Area
Geography
Floorplan Breakdown
Structural Layout
Second
Master BedroomBedroom 2Bedroom 3Bedroom 4Bathroom 2
First
Living RoomDining RoomKitchenBathroom 1
Basement
Bathroom 3
Living Room
Lvl First22 x 27
Flooring - Hardwood
Dining Room
Lvl First14 x 21
Kitchen
Lvl First26 x 13
Master Bedroom
Lvl Second16 x 16
Bedroom 2
Lvl Second12 x 9
Bedroom 3
Lvl Second15 x 14
Bedroom 4
Lvl Second14 x 12
Bathroom 1
Lvl FirstBathroom 2
Lvl SecondBathroom 3
Lvl BasementProperty History
Price Increase
$3,450,000
Was $2,950,000
Jun 25, 2026
MLS® 73467585
Price Drop
$2,950,000
Was $3,750,000
Mar 19, 2026
MLS® 73467585
Listed
$3,750,000
Jan 12, 2026
MLS® 73467585
Terminated
$2,249,000
Aug 15, 2025
MLS® 73379500
Terminated
$2,249,000
Aug 15, 2025
MLS® 73379503
Listed
$2,249,000
May 23, 2025
MLS® 73379500
Listed
$2,249,000
May 23, 2025
MLS® 73379503
Population
19,358
U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)
Median Household Income
$223K
U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)
Renter-Occupied Homes
13.4%
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 3,014 sq ft principal dwelling). Lot size: 910,291 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 Provided By
Listing Agent: Brendon Sullivanmonson
Listing Office: KW Pinnacle Central
MLS® Number: 73467585
Browse More Homes in Hopkinton
Explore other active listings in the area.
