Rare opportunity for a family, investor, or developer to renovate a fabulous home with boundless potential. Get inspired by the development next door at 19 Cottage Park Avenue, where an energy efficient, architectural masterpiece, is about to take shape. 21 Cottage Park Avenue is sited on an incredible 4,520sf lot with an expansive private garden, the size of which is seldom seen in Cambridge. The home offers a Total Area of 2,596sf and a Total Gross Living Area of 1,791sf. Located in Zone B with Floor Area Ratio of 0.5 allowing for an increase in living space (buyers to perform due diligence on expansion possibilities). Whether commuting by car, public transportation (MBA Red Line or bus routes), bicycle or by foot, this is the commuter’s dream location for access to world renowned educational instructions, Kendall Square innovation district, local hot spots such as Davis and Porter squares, the many amenities of North Cambridge, downtown Boston and the highway network.
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| Year | Land | Building | Total | Change |
|---|---|---|---|---|
| FY2026 | $522,900 | $674,000 | $1,196,900 | — |
| Date | Price | Book/Page |
|---|---|---|
| Aug 5, 2024 | $10 | 83090/0454 |
| Issued | Type / Work | Status | Value |
|---|---|---|---|
| Jul 8, 2024 |
Building: Alteration and Addition
One-Family
Single Family Major Renovations
By New Age Properties LLC
Permit #qu2z-8suj:263672
|
Open | $949,000 |
This property sold for 15.1% below the original asking price.
The property spent 41 days on market before selling.
Based on 7 similar properties sold within 0.5 miles in the last 90 days
This property sold near the area average for similar homes.
21 Cottage Park Ave, Cambridge MA 02140
Cambridge, MA 02140
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 06/02/2026 | 🏡 Currently Listed | $3,628,900 | - | - | MLS #73528101 - Active |
| 12/29/2023 | ✓ Sold | $1,100,000 | - | - | Property sold |
| 09/26/2023 | 🏠 Listed for Sale | $1,295,000 | - | - | Original listing |
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