Castle Green
451 School St, Marshfield, MA 02050
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Independent brokerage page. BMN Boston Real Estate compiles public MLS listing and sales data for Castle Green; it is not the building's management company, leasing office, or HOA. Contact Castle Green directly for management, rental, or maintenance questions.
About Castle Green
Castle Green is a residential building built in 1973, located at 451 School St in Marshfield, MA 02050. The building features 1 to 2-bedroom residences ranging from 345 to 923 square feet , with prices from $160K to $320K . There is currently 1 unit available for sale. 6 units have sold in the last two years at an average price of $274K .
Monthly HOA fees at Castle Green range from $224 to $346 per month and commonly include Insurance, Maintenance Structure, Maintenance Grounds . Parking is typically deeded, assigned, off street, averaging 1.6 spaces per unit.
Last updated: 2026-08-21
1 Unit For Sale at Castle Green
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 - $320K | 1 for sale |
Recently Sold at Castle Green
| Address | Beds/Baths | Sq Ft | List Price | Sold Price | Change | Sold Date |
|---|---|---|---|---|---|---|
| 451 School St # 12, Marshfield MA 02050 | 2bd / 1ba | 923 | $300K | $294K | -2% | Jul 16, 2026 |
| 451 School St # 5, Marshfield MA 02050 | 2bd / 1ba | 923 | $306K | $300K | -1.9% | Apr 29, 2026 |
| 451 School St # 2, Marshfield MA 02050 | 1bd / 1ba | 345 | $169K | $160K | -5.3% | Oct 29, 2025 |
| 451 School Street # 1, Marshfield MA 02050 | 2bd / 1ba | 923 | $275K | $280K | +1.8% | Oct 8, 2025 |
| 451 School St. # 5, Marshfield MA 02050 | 2bd / 1ba | 923 | $289K | $295K | +2.1% | Sep 11, 2025 |
| 451 School Street # 12, Marshfield MA 02050 | 2bd / 1ba | 923 | $300K | $313K | +4.2% | Sep 8, 2025 |
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.
How many units are for sale at Castle Green?
There are currently 1 condos for sale at Castle Green in Marshfield, MA. Prices range from $320K.
What is the price range at Castle Green?
Prices at Castle Green range from $160K to $320K 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?
6 units have sold at Castle Green in the last two years at an average price of $274K. The average time on market was 47 days.
When was Castle Green built?
Castle Green was built in 1973 and is located at 451 School St in Marshfield, MA 02050.
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, Maintenance Grounds. Actual fees vary by unit; confirm with the listing agent.
Is parking available at Castle Green?
Parking at Castle Green is typically described as deeded, assigned, off street. On average, listings include 1.6 parking spaces. Specific arrangements (deeded, assigned, garage vs. surface) vary by unit.
More Buildings & Communities in Marshfield, MA
See all homes for sale in Marshfield, MA → View all 31 buildings in Marshfield →
Looking to Buy or Tour at Castle Green?
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