18R Polk Street Boston — Photo 1 of 19
$1,095,000
Investment Analysis — 18R Polk Street
Boston, MA 02129 — Charlestown
Based on HUD Small Area Fair Market Rent for Boston-Cambridge-Quincy, MA-NH HUD Metro FMR Area, a 4-bedroom in 02129 carries an estimated $5,320/mo in gross rent — about a 3.84% cap rate and $42,022/yr in estimated NOI at the $1,095,000 list price. Adjust every assumption in the calculator below.
Beds
4
Baths
2
SqFt
1,492
Style
Single Family
Built
1900
Tucked away off the street along a private walkway, this updated single-family home offers a rare sense of privacy in the heart of Charlestown. Thoughtfully renovated, this four-bedroom, two full bath home features a bright, sun-filled interior with quartz countertops, brand new stainless steel appliances, fresh paint, and new carpeting throughout. A flexible floor plan includes a first-floor bedroom—ideal for guests, home office, or den—nearby full bath with laundry. Generously sized bedrooms and an airy layout provide comfortable, versatile living. Step outside to a private patio, perfect for relaxing or outdoor dining. Additional highlights include a large, clean basement for storage or workshop use. A unique opportunity to own a single-family home offering both privacy and convenience near Charlestown amenities, transportation, and Boston. This wonderful residence lives and feels much larger than its square footage! Don't miss this truly outstanding opportunity!
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: 746 sq ft (the lesser of 900 sq ft or half the 1,492 sq ft principal dwelling). Lot size: 1,251 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.
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Property History
$1,095,000
Apr 7, 2026
MLS® 73497271
$1,095,000
Dec 5, 2025
MLS® 73388618
$1,095,000
Jun 10, 2025
MLS® 73388618
Listing Agent: Frank Celeste
Listing Office: Gibson Sotheby's International Realty
MLS® Number: 73497271
