Prospect Ave
245 Sea St, Quincy MA 02169, Winthrop, MA
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Independent brokerage page. BMN Boston Powered by SERHANT compiles public MLS listing and sales data for Prospect Ave; it is not the building's management company, leasing office, or HOA. Contact Prospect Ave directly for management, rental, or maintenance questions.
About Prospect Ave
Prospect Ave is a located at 245 Sea St, Quincy MA 02169 in Winthrop, MA . The building features 2 to 3-bedroom residences ranging from 1,024 to 1,340 square feet , with prices from $399K to $425K . 2 units have sold in the last two years at an average price of $412K .
Monthly HOA fees at Prospect Ave range from $504 to $642 per month and commonly include Heat, Water, Sewer . Parking is typically off street, assigned, under, averaging 1.0 space per unit.
Figures summarize MLS listing records. Repeat listings can refer to the same residence; records tracked are not the building's total number of units.
Last updated: 2026-10-08
Unit Types at Prospect Ave
| Unit Type | Beds | Baths | Sq Ft | Price Range | Available |
|---|---|---|---|---|---|
| 2 Bedroom | 2 | 1 | 1,053 - 1,149 sqft | $194K - $399K | None listed |
| 2 Bedroom | 2 | 2 | 1,024 - 1,340 sqft | $400K - $425K | None listed |
| 3 Bedroom | 3 | 1 | 1,161 sqft | $375K - $445K | None listed |
Recently Sold at Prospect Ave
| Address | Beds/Baths | Sq Ft | List Price | Sold Price | Change | Sold Date |
|---|---|---|---|---|---|---|
| 245 Sea St # 31, Quincy MA 02169 | 2bd / 1ba | 1,053 | $420K | $399K | -5% | Jul 27, 2026 |
| 245 Sea St # 45, Quincy MA 02169 | 2bd / 2ba | 1,340 | $420K | $425K | +1.2% | Apr 16, 2026 |
Frequently Asked Questions About Prospect Ave
Is BMN Boston Powered by SERHANT the management company or leasing office for Prospect Ave?
No. BMN Boston Powered by SERHANT is an independent real estate brokerage. We compile public MLS listing and recent-sales data for Prospect Ave to help buyers and sellers make informed decisions. We do not manage the building, lease units on behalf of the owner, or handle HOA matters. For management, leasing, or maintenance inquiries, please contact Prospect Ave directly.
Are there any units for sale at Prospect Ave?
There are currently no units listed for sale at Prospect Ave in Winthrop, MA. Check back regularly as new listings are added daily.
What is the price range at Prospect Ave?
Prices at Prospect Ave range from $399K to $425K based on recent listings and sales. Prices vary by unit size, floor, and finishes.
What are the unit sizes at Prospect Ave?
Units at Prospect Ave range from 1,024 to 1,340 square feet, with 2 to 3 bedroom configurations.
How much do condos sell for at Prospect Ave?
2 units have sold at Prospect Ave in the last two years at an average price of $412K. The average time on market was 53 days.
What are the HOA fees at Prospect Ave?
Monthly HOA fees at Prospect Ave $504 to $642 per month. Based on 2 listings with HOA data on file. Fees commonly include Heat, Water, Sewer. Actual fees vary by unit; confirm with the listing agent.
Is parking available at Prospect Ave?
Parking at Prospect Ave is typically described as off street, assigned, under. On average, listings include 1.0 parking space. Specific arrangements (deeded, assigned, garage vs. surface) vary by unit.
More Buildings & Communities in Winthrop, MA
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Looking to Buy or Tour at Prospect Ave?
BMN Boston Powered by SERHANT is a real estate brokerage that tracks every MLS listing at Prospect Ave. Schedule a tour, ask about a specific unit, or get instant alerts when new listings hit the market — download the app or browse all listings below.
Trying to reach the building's management or leasing office? Search "Prospect Ave Winthrop management" — we are not affiliated with the building's management.

