The Monarch

300 Allston St, Boston, MA 02135

1 pending 5 recently sold

About this page — BMN Boston Real Estate is an independent real estate brokerage. We compile public MLS listing and sales data for The Monarch. We are not the management company, leasing office, or HOA for this building. For management, rental, or maintenance inquiries, please contact The Monarch directly.

About The Monarch

The Monarch is a residential building built in 2002, located at 300 Allston St in Boston, MA 02135. The building features 1 to 2-bedroom residences ranging from 693 to 1,432 square feet , with prices from $610K to $815K . 5 units have sold in the last two years at an average price of $749K .

Monthly HOA fees at The Monarch range from $536 to $775 per month and commonly include Water, Sewer, Insurance .

Year Built 2002
Units Tracked 6
Avg Days on Market 91
Monthly HOA $536–$775

Last updated: 2026-05-22

Unit Types at The Monarch

Unit Type Beds Baths Sq Ft Price Range Available
1 Bedroom 1 1 693 - 1,262 sqft $383K - $610K None listed
2 Bedroom 2 1 856 sqft $450K None listed
2 Bedroom 2 2 978 - 1,432 sqft $475K - $830K None listed

Recently Sold at The Monarch

Average sold price: $749K Average days on market: 91 5 sales in the last 2 years
Address Beds/Baths Sq Ft List Price Sold Price Change Sold Date
300 Allston # 205, Boston MA 02135 2bd / 2ba 1,085 $774K $765K -1.2% May 1, 2026
300 Allston St # 401, Boston MA 02135 2bd / 2ba 1,092 $795K $790K -0.6% Apr 30, 2026
300 Allston Street # 208, Boston MA 02135 2bd / 2ba 1,277 $789K $765K -3% Sep 9, 2025
300 Allston St # 110, Boston MA 02135 1bd / 1ba 931 $625K $610K -2.4% May 28, 2025
300 Allston Street # 216, Boston MA 02135 2bd / 2ba 1,395 $815K $815K +0% Jun 17, 2024

Location

300 Allston St, Boston, MA 02135

Frequently Asked Questions About The Monarch

Is BMN Boston Real Estate the management company or leasing office for The Monarch?

No. BMN Boston Real Estate is an independent real estate brokerage. We compile public MLS listing and recent-sales data for The Monarch 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 The Monarch directly.

Are there any units for sale at The Monarch?

There are currently no units listed for sale at The Monarch in Boston, MA. Check back regularly as new listings are added daily.

What is the price range at The Monarch?

Prices at The Monarch range from $610K to $815K based on recent listings and sales. Prices vary by unit size, floor, and finishes.

What are the unit sizes at The Monarch?

Units at The Monarch range from 693 to 1,432 square feet, with 1 to 2 bedroom configurations.

How much do condos sell for at The Monarch?

5 units have sold at The Monarch in the last two years at an average price of $749K. The average time on market was 91 days.

When was The Monarch built?

The Monarch was built in 2002 and is located at 300 Allston St in Boston, MA 02135.

What are the HOA fees at The Monarch?

Monthly HOA fees at The Monarch $536 to $775 per month. Based on 6 listings with HOA data on file. Fees commonly include Water, Sewer, Insurance. Actual fees vary by unit; confirm with the listing agent.

Looking to Buy or Tour at The Monarch?

BMN Boston Real Estate is a real estate brokerage that tracks every MLS listing at The Monarch. 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 "The Monarch Boston management" — we are not affiliated with the building's management.