Observer
Building report · Back Bay, Boston

300 Boylston St

Boston, MA 02116

7 condos sold at 300 Boylston St in the past 12 months, for a typical $3.6M, or $1,693 a square foot. That's 27% more per square foot than the typical condo in Back Bay.

  • 1988 built
  • 87 units
  • 12 floors with homes
  • #68 in Greater Boston by condo sales
300 Boylston St, Unit 909: listing photo
Unit 909, under agreement. Listed by Lili Banani, Coldwell Banker Realty - Boston. MLS #73531519.
$3.6M
typical sale price, past 12 months
$1,693
per square foot
19 days
typical time to an accepted offer
29%
sold for asking or more
0
for sale now
$3,430
typical monthly condo fee

300 Boylston St sells for 27% more per square foot than Back Bay

Condo sales in the past 12 months: this building against all 294 condo sales in Back Bay.

Back Bay 300 Boylston St

  • Price per sq ft ($)1,3371,693 +27%
  • Days to an accepted offer2619 −27%
Source: Verified market data; analysis by the Observer Markets Desk.
Show the numbers
300 Boylston StBack Bay
Typical price per sq ft$1,693$1,337
Typical days to an accepted offer1926
Sold for asking or more29%30%

Under agreement1 unit

  • Unit 909: listing photo

    $1,999,000Cut $96K

    Unit 909, floor 9

    1 bed · 1.5 bath · 1,310 sq ft

    $1,526/sq ft · 154 days listed · $1,995/mo fee

    Under agreement · Condo · MLS #73531519
    300 Boylston #909, Boston, MA
    Listed by Lili Banani, Coldwell Banker Realty - Boston

What soldPast 12 months, newest first

ClosedUnitSizePrice$/sq ftvs. first ask
Sep 29Unit 1202MLS #73555944 · Campion & Company Fine Homes Real Estate3 bed, 2,426 sq ft$6,100,000$2,514−6.0%
Sep 23Unit 711MLS #73570409 · MGS Group Real Estate LTD - Wellesley2 bed, 2,851 sq ft$3,600,000$1,263+0.0%
Jul 8Unit 702MLS #73513630 · Compass3 bed, 2,429 sq ft$5,499,000$2,264+0.0%
Mar 13Unit 517MLS #73467390 · Coldwell Banker Realty - Boston2 bed, 2,077 sq ft$3,000,000$1,444−4.8%
Mar 13Unit 714MLS #73468913 · Coldwell Banker Realty - Boston1 bed, 1,142 sq ft$1,500,000$1,313−6.0%
Jan 30Unit 907MLS #73427325 · Donnelly + Co.2 bed, 1,890 sq ft$3,200,000$1,693−1.5%
Dec 19Unit 1206MLS #73362668 · Campion & Company Fine Homes Real Estate2 bed, 2,440 sq ft$5,000,000$2,049−15.1%

Where it isWith nearby buildings we track

Questions people ask

How much do condos cost at 300 Boylston St?
In the past 12 months, 7 condos sold at 300 Boylston St (300 Boylston St, Boston) for a typical $3,600,000, or $1,693 per square foot. Sales ranged from $1,500,000 to $6,100,000.
How fast do condos sell at 300 Boylston St?
Units that sold in the past 12 months took a typical 19 days to get an accepted offer, and 29% sold for their first asking price or more. In Back Bay overall, it took 26 days.
What are the condo fees at 300 Boylston St?
The typical monthly condo fee at 300 Boylston St is $3,430, about $1.56 per square foot a month, based on the fees filed with its listings.
How many condos are for sale at 300 Boylston St right now?
None right now.
What does it cost to rent at 300 Boylston St?
3 units rented in the past 12 months, for a typical $6,900 a month. 1 bedroom: $5,775.
When was 300 Boylston St built, and how many units does it have?
300 Boylston St was built in 1988 and has 87 units, with homes up to the 12th floor, according to its listings.

About these numbers

Every figure on this page comes from verified market data for 300 Boylston St, Boston, refreshed November 8, 2026, and updates every morning. “Typical” means the median. Price per square foot uses the living area filed with each listing. Condo fees are monthly. Sales history in our data starts in late 2025.

Cite as: “300 Boylston St building report,” Boston Real Estate Observer, https://bostonrealestateobserver.com/buildings/boston/300-boylston-st/ (data as of November 8, 2026).