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145 E Main St Hopkinton — Photo 1 of 42

$735,000

Investment Analysis — 145 E Main St

Hopkinton, MA 01748

Based on HUD Small Area Fair Market Rent for Boston-Cambridge-Quincy, MA-NH HUD Metro FMR Area, a 4-bedroom in 01748 carries an estimated $4,260/mo in gross rent — about a 4.13% cap rate and $30,371/yr in estimated NOI at the $735,000 list price. Adjust every assumption in the calculator below.

View Standard Listing

Beds

Baths

2.5

SqFt

2,225

Style

Single Family

Built

1925

Welcome to 145 East Main Street, a well-loved Hopkinton home that has been cherished by the same family for decades. Set on a large, picturesque lot, this spacious 4/5-bedroom, 2.5-bath expanded Cape offers a flexible floor plan with plenty of room to make it your own. The heart of the home features an open kitchen and dining area highlighted by impressive vaulted ceilings, creating a bright and inviting gathering space. The living room showcases exposed beams and wood burning stove that add warmth and character, while a first-floor bedroom provides excellent flexibility for guests, a home office, or convenient one-level living. Upstairs, 3/4 additional bedrooms offer plenty of space for everyone. With its generous living space, classic Cape character, expansive yard, and desirable Hopkinton location, this longtime family home presents a wonderful opportunity for its next owners to create new memories for years to come.

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 2,225 sq ft principal dwelling). Lot size: 37,971 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.

Estimates — not financial advice

These figures are illustrative estimates for informational purposes only — not an appraisal, valuation, or guarantee of rent, income, or returns, and not financial, tax, or investment advice. Rent is either the figure reported on the MLS listing — in-place rent that may differ from market and is not verified against the actual leases — or, where the listing reports none, an estimate from HUD Small Area Fair Market Rents, a government benchmark that may differ from actual market rent. Each figure is labelled with its source. Cap rate, NOI, and returns depend on the assumptions shown, which you can change. MLS and other third-party data may be inaccurate or out of date. Verify all figures independently and consult your own financial, tax, and legal advisors before making any investment decision.