The Monarch
300 Allston St, Boston, MA 02135
Never miss a listing at The Monarch
Sign in or create a free account to get the fastest available alerts—usually within about five minutes—for new listings and important updates.
Independent brokerage page. BMN Boston Powered by SERHANT compiles public MLS listing and sales data for The Monarch; it is not the building's management company, leasing office, or HOA. Contact The Monarch directly for management, rental, or maintenance questions.
About The Monarch
The Monarch is a residential building built in 2004, 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 $842K . There is currently 1 unit available for sale. 6 units have sold in the last two years at an average price of $747K .
Monthly HOA fees at The Monarch range from $536 to $767 per month and commonly include Water, Insurance, Maintenance Structure . Parking is typically attached, under, garage door opener, averaging 1.1 spaces 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: 2026-10-05
1 Unit For Sale at The Monarch
Unit Types at The Monarch
| Unit Type | Beds | Baths | Sq Ft | Price Range | Available |
|---|---|---|---|---|---|
| 1 Bedroom | 1 | 1 | 693 - 1,262 sqft | $383K - $670K | 1 for sale |
| 2 Bedroom | 2 | 1 | 856 sqft | $450K | None listed |
| 2 Bedroom | 2 | 2 | 978 - 1,432 sqft | $435K - $842K | None listed |
Recently Sold at The Monarch
| Address | Beds/Baths | Sq Ft | List Price | Sold Price | Change | Sold Date |
|---|---|---|---|---|---|---|
| 300 Allston St # 315, Boston MA 02135 | 2bd / 2ba | 978 | $720K | $710K | -1.4% | Jul 9, 2026 |
| 300 Allston St # 302, Boston MA 02135 | 2bd / 2ba | 1,266 | $829K | $842K | +1.5% | May 27, 2026 |
| 300 Allston # 205, Boston MA 02135 | 2bd / 2ba | 1,085 | $774K | $765K | -1.2% | Apr 30, 2026 |
| 300 Allston St # 401, Boston MA 02135 | 2bd / 2ba | 1,092 | $795K | $790K | -0.6% | Apr 29, 2026 |
| 300 Allston Street # 208, Boston MA 02135 | 2bd / 2ba | 1,277 | $789K | $765K | -3% | Sep 8, 2025 |
| 300 Allston St # 110, Boston MA 02135 | 1bd / 1ba | 931 | $625K | $610K | -2.4% | May 27, 2025 |
Location
Frequently Asked Questions About The Monarch
Is BMN Boston Powered by SERHANT the management company or leasing office for The Monarch?
No. BMN Boston Powered by SERHANT 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.
How many units are for sale at The Monarch?
There are currently 1 condos for sale at The Monarch in Boston, MA. Prices range from $670K.
What is the price range at The Monarch?
Prices at The Monarch range from $610K to $842K 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?
6 units have sold at The Monarch in the last two years at an average price of $747K. The average time on market was 68 days.
When was The Monarch built?
The Monarch was built in 2004 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 $767 per month. Based on 7 listings with HOA data on file. Fees commonly include Water, Insurance, Maintenance Structure. Actual fees vary by unit; confirm with the listing agent.
Is parking available at The Monarch?
Parking at The Monarch is typically described as attached, under, garage door opener. On average, listings include 1.1 parking spaces. Specific arrangements (deeded, assigned, garage vs. surface) vary by unit.
More Buildings & Communities in Boston, MA
See all homes for sale in Boston, MA → View all 5459 buildings in Boston →
Looking to Buy or Tour at The Monarch?
BMN Boston Powered by SERHANT 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.

