Castle Green
451 School St, Marshfield, MA
About this page — BMN Boston Real Estate is an independent real estate brokerage. We compile public MLS listing and sales data for Castle Green. We are not the management company, leasing office, or HOA for this building. For management, rental, or maintenance inquiries, please contact Castle Green directly.
About Castle Green
Castle Green is a located at 451 School St in Marshfield, MA . The building features 1 to 2-bedroom residences ranging from 345 to 923 square feet , with prices from $160K to $313K . 7 units have sold in the last two years at an average price of $265K .
Monthly HOA fees at Castle Green range from $224 to $346 per month and commonly include Insurance, Maintenance Structure, Road Maintenance .
Last updated: 2026-05-22
Unit Types at Castle Green
| Unit Type | Beds | Baths | Sq Ft | Price Range | Available |
|---|---|---|---|---|---|
| 1 Bedroom | 1 | 1 | 345 - 738 sqft | $160K - $226K | None listed |
| 2 Bedroom | 2 | 1 | 923 sqft | $229K - $313K | None listed |
Recently Sold at Castle Green
| Address | Beds/Baths | Sq Ft | List Price | Sold Price | Change | Sold Date |
|---|---|---|---|---|---|---|
| 451 School St # 5, Marshfield MA 02050 | 2bd / 1ba | 923 | $306K | $300K | -1.9% | Apr 30, 2026 |
| 451 School St # 2, Marshfield MA 02050 | 1bd / 1ba | 345 | $169K | $160K | -5.3% | Oct 30, 2025 |
| 451 School Street # 1, Marshfield MA 02050 | 2bd / 1ba | 923 | $275K | $280K | +1.8% | Oct 9, 2025 |
| 451 School St. # 5, Marshfield MA 02050 | 2bd / 1ba | 923 | $289K | $295K | +2.1% | Sep 12, 2025 |
| 451 School Street # 12, Marshfield MA 02050 | 2bd / 1ba | 923 | $300K | $313K | +4.2% | Sep 9, 2025 |
| 451 School St # 1, Marshfield MA 02050 | 2bd / 1ba | 923 | $230K | $229K | -0.4% | Jul 1, 2024 |
| 451 School St. # 5, Marshfield MA 02050 | 2bd / 1ba | 923 | $260K | $275K | +5.8% | Jun 21, 2024 |
Frequently Asked Questions About Castle Green
Is BMN Boston Real Estate the management company or leasing office for Castle Green?
No. BMN Boston Real Estate is an independent real estate brokerage. We compile public MLS listing and recent-sales data for Castle Green 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 Castle Green directly.
Are there any units for sale at Castle Green?
There are currently no units listed for sale at Castle Green in Marshfield, MA. Check back regularly as new listings are added daily.
What is the price range at Castle Green?
Prices at Castle Green range from $160K to $313K based on recent listings and sales. Prices vary by unit size, floor, and finishes.
What are the unit sizes at Castle Green?
Units at Castle Green range from 345 to 923 square feet, with 1 to 2 bedroom configurations.
How much do condos sell for at Castle Green?
7 units have sold at Castle Green in the last two years at an average price of $265K. The average time on market was 53 days.
What are the HOA fees at Castle Green?
Monthly HOA fees at Castle Green $224 to $346 per month. Based on 7 listings with HOA data on file. Fees commonly include Insurance, Maintenance Structure, Road Maintenance. Actual fees vary by unit; confirm with the listing agent.
Looking to Buy or Tour at Castle Green?
BMN Boston Real Estate is a real estate brokerage that tracks every MLS listing at Castle Green. 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 "Castle Green Marshfield management" — we are not affiliated with the building's management.