The Hy-Sil Apartments, a 16-unit apartment complex located at 7 & 20 Hy-Sil Avenue in Chelsea, Massachusetts.The Hy-Sil Apartments are comprised of (9) one-bedroom,(4) two-bedroom, and (3) three-bedroom units. Tenants are responsible for their own electric which is the source of heat & hot water. There is ample off-street parking and on-site coin-op laundry. The majority of units have been renovated, offering updated interiors that enhance rental upside and minimize near-term capital expenditure requirements.All interested and qualified parties will have the opportunity to walk the premises and obtain additional information upon request.
| Units | 16 |
| Living area | 14,478 sqft |
| Lot size | 6,680 sqft |
| Year built | 1978 |
| Price / sqft | $290 |
| County | Suffolk |
| MLS # | 73531841 |
| Days on market | 53 days |
| Listed on | June 8, 2026 |
| Annual property tax | $41,871 |
| Tax year | 2026 |
| Assessed value | $3,415,800 |
| Zoning | 112C |
| Gross income (actual) | $421,200/yr |
| Net operating income (actual) | $287,185/yr |
| Total actual rent | $4,200/mo |
| Stories | 3 |
| Total rooms | 52 |
| Lot size | 0.15 acres |
| Garage spaces | 0 |
| Parking spaces | 16 |
| Parking | Paved Drive, Off Street |
| Foundation | Concrete Perimeter |
| Roof | Rubber |
| Construction | Brick |
| Sewer | Public Sewer |
| Water | Public |
| Utilities | for Electric Range, for Electric Oven |
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Listing courtesy of a MLS PIN member office. Listing data © MLS PIN.
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It is a 16-unit multi-family property with 14,478 sqft of living area, built in 1978.
20 Hy-Sil Ave, Chelsea MA 02150 has been listed for 53 days (since June 8, 2026).
At a list price of $4,195,000 across 16 units, that works out to roughly $262,188 per unit.
Annual property taxes are $41,871 (2026), on an assessed value of $3,415,800.
At $4,195,000 for 14,478 sqft, that's about $290 per square foot.
16 total parking spaces (paved drive, off street).
20 Hy-Sil Ave, Chelsea MA 02150 is in Chelsea, Suffolk County, MA 02150.

Justin Rollo is a Broker Associate with Signal Real Estate (MA Lic. #9534264) and a lifelong Massachusetts resident. Over 14 years and hundreds of transactions, he has worked investment properties — multi-families and house-hacking — across Greater Boston full-time. Away from real estate, Justin is a proud dad, youth coach and local school-committee member — and a former professional poker player who still loves golf and following local sports.