Investment Analysis — 19 Charles River Square

Boston, MA 02114 — Beacon Hill

Based on HUD Small Area Fair Market Rent for Boston-Cambridge-Quincy, MA-NH HUD Metro FMR Area, a 3-bedroom in 02114 carries an estimated $5,290/mo in gross rent — about a -0.04% cap rate and $-2,803/yr in estimated NOI at the $6,750,000 list price. Adjust every assumption in the calculator below.

View Standard Listing

Beds

Baths

3.5

SqFt

2,983

Style

Single Family

Built

1910

Truly exquisite, the transformation of this historic townhouse is nothing short of breathtaking. This home brings the flow & luxury of modern living into a timeless setting rare to this neighborhood. Every inch, thoughtfully restored, features the highest end of finishes and craftsmanship, meticulous attention to detail, and honor to heritage. A dramatic entry offers sweeping views of an open floorplan. The custom gas fireplace & built-in banquette serve as an entertainer’s dream. The kitchen showcases an utterly exquisite Arabescato Vagli detailing throughout, adorned even more by spectacular millwork & sunlight. The second level primary is an oasis in itself, boasting a luxurious closet suite, intricately custom bathroom & dedicated office, all topped by soaring ceilings & featuring the latest amenities. The top floor offers a large bedroom & incredible lounge leading to an expansive private roof deck equipped with a built-in grill & retractable outdoor entertainment center.

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 2,983 sq ft principal dwelling). Lot size: 990 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.