645 River St, Boston, MA 02136
Redevelopment opportunity: mixed-use building with commercial and residential potential.
- Added:
- Apr 25, 2026
- Days on Market:
- 51
- Last Refresh:
- Apr 25 at 6:32 am
Property Features for 645 River St
General Information
- Standard status
- Active
- Size
- 2,000 SF
- Property subtype
- Commercial Lots & Land
Listing agent Jeanie E. Martins (508) 583-6060
Listing office Martins & Associates R.E. Inc. (508) 583-6060
Listing date Apr 25, 2026
Source Liongatere
Displayed information is deemed reliable but is not guaranteed and should be independently verified.
All listing content including descriptions, pricing, images are the copyrighted material of Martins & Associates R.E. Inc.
HighLights
- Prime location in Hyde Park with high visibility and easy access to public transit.
- Mixed‑use building with both commercial (self‑service laundry) and residential income potential.
- Redevelopment opportunity to replace existing structure with a new 3‑story building.
- Approximately 2,000 sq ft of commercial space on the first floor.
- Four residential units across two floors, ideal for renters.
- Modern living in a vibrant neighborhood.
Overview
Local Financial Insights For Multifamily LT 5
Simulate Cap Rate and NOI
NOI Build-Up
- Vacancy
- income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
- EGI (Effective Gross Income)
- gross rent minus vacancy losses — the realistic income before paying operating costs.
- OpEx (Operating Expenses)
- recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
- NOI (Net Operating Income)
- income a property generates after operating costs but before financing and taxes.
| Component | $ | $/SF |
|---|---|---|
| Gross rent | $75.6k | $37.80 |
| − Vacancy | −$3.4k | −$1.70 |
| EGI | $72.2k | $36.10 |
| − OpEx | −$21.7k | −$10.83 |
| NOI | $50.5k | $25.27 |
Alternative Uses
Current Use by Public Records
Location Insight
- Map
- Local Demand
- City
- Boston
- County
- Suffolk
- State
- Massachusetts
- Longitude
- -71.0996312
- Latitude
- 42.2650273