Active

9 Days on market

20 Harnden St Wilmington — Photo 1 of 42

$1,395,000

Investment Analysis — 20 Harnden St

Wilmington, MA 01887

Based on HUD Small Area Fair Market Rent for Boston-Cambridge-Quincy, MA-NH HUD Metro FMR Area, a 7-bedroom in 01887 carries an estimated $4,610/mo in gross rent — about a 2.20% cap rate and $30,646/yr in estimated NOI at the $1,395,000 list price. Adjust every assumption in the calculator below.

View Standard Listing

Beds

Baths

SqFt

4,220

Style

Single Family

Built

1795

Wow! 20 Harnden St in Wilmington, MA, discover a distinguished single-family residence, meticulously maintained and dating back to 1795. This attractive property encompasses 4220 square feet of sophisticated living space, offering a unique blend of historical charm and contemporary refinement. The kitchen is thoughtfully appointed with stainless steel appliances, complemented by stone counters and an expansive island that includes an integrated sink, all centered around a high-end range, facilitating both culinary artistry and social engagement. The living room provides an inviting atmosphere, featuring a classic fireplace and rich hardwood flooring, establishing an ideal setting for relaxation and intimate gatherings. One of the six well-appointed bathrooms offers a double vanity and a walk-in shower equipped with multiple shower heads, providing a spa-like experience. The bedrooms, each featuring original reclaimed hardwood flooring, offer comfortable and private retreats. Complementing the interior, the property includes an inviting outdoor living space, complete with a patio and a welcoming porch, designed for alfresco enjoyment and seamless indoor-outdoor living. This property presents an exceptional opportunity to acquire a residence where historical integrity meets modern comfort. This home is on public water and public sewer with no septic system to worry about. This home would be great for a sober living, group home or multi generational home. Lots of options to expand and the home is only about half a mile to major shopping, dining and the commuter rail. This home has historic provenance and is unlike any home that you may have seen. This enormous and custom home will wow your sox off and is sure to garner a lot of attention. Open Houses Sat and Sun October 3rd and 4th from 1-3PM or by Private Appointment.

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 4,220 sq ft principal dwelling). Lot size: 34,848 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.