Observer
Building report · Brighton, Boston

1515 Commonwealth Ave

Boston, MA 02135

16 condos sold at 1515 Commonwealth Ave in the past 12 months, for a typical $824K, or $1,067 a square foot. That's 59% more per square foot than the typical condo in Brighton. Right now, 8 are for sale.

  • 2025 built
  • 102 units
  • 8 floors with homes
  • #12 in Greater Boston by condo sales
1515 Commonwealth Ave, Unit 311: listing photo
Unit 311, for sale at $1,229,000. Listed by Erin Tiso, The Collaborative Companies. MLS #73578126.
$824K
typical sale price, past 12 months
$1,067
per square foot
29 days
typical time to an accepted offer
100%
sold for asking or more
8
for sale now
$854
typical monthly condo fee

1515 Commonwealth Ave sells for 59% more per square foot than Brighton

Condo sales in the past 12 months: this building against all 180 condo sales in Brighton.

Brighton 1515 Commonwealth Ave

  • Price per sq ft ($)6731,067 +59%
  • Days to an accepted offer2529 +14%
Source: Verified market data; analysis by the Observer Markets Desk.
Show the numbers
1515 Commonwealth AveBrighton
Typical price per sq ft$1,067$673
Typical days to an accepted offer2925
Sold for asking or more100%39%

For sale now8 units, 7.8% of the building

  • Unit 311: listing photo

    $1,229,000Cut $20K

    Unit 311, floor 3

    2 bed · 2 bath · 1,246 sq ft

    $986/sq ft · 54 days listed · $1,259/mo fee

    Active · Condo · MLS #73578126
    1515 Commonwealth Ave #311, Boston, MA
    Listed by Erin Tiso, The Collaborative Companies

  • Unit 814: listing photo

    $899,000

    Unit 814, floor 8

    1 bed · 2 bath · 856 sq ft

    $1,050/sq ft · 22 days listed · $938/mo fee

    Active · Condo · MLS #73592221
    1515 Commonwealth Ave #814, Boston, MA
    Listed by Erin Tiso, The Collaborative Companies

  • Unit 515: listing photo

    $849,000

    Unit 515, floor 5

    1 bed · 1 bath · 909 sq ft

    $934/sq ft · 125 days listed · $872/mo fee

    Active · Condo · MLS #73545587
    1515 Commonwealth Ave #515, Boston, MA
    Listed by Erin Tiso, The Collaborative Companies

  • Unit 509: listing photo

    $829,000

    Unit 509, floor 5

    1 bed · 2 bath · 903 sq ft

    $918/sq ft · 7 days listed · $812/mo fee

    Active · Condo · MLS #73597618
    1515 Commonwealth Ave #509, Boston, MA
    Listed by Erin Tiso, The Collaborative Companies

  • Unit 608: listing photo

    $785,000

    Unit 608, floor 6

    1 bed · 1 bath · 838 sq ft

    $937/sq ft · 33 days listed · $867/mo fee

    Active · Condo · MLS #73587649
    1515 Commonwealth Ave #608, Boston, MA
    Listed by Erin Tiso, The Collaborative Companies

  • Unit 603: listing photo

    $699,000

    Unit 603, floor 6

    1 bed · 1 bath · 718 sq ft

    $974/sq ft · 14 days listed · $790/mo fee

    Active · Condo · MLS #73595089
    1515 Commonwealth Ave #603, Boston, MA
    Listed by Erin Tiso, The Collaborative Companies

Show all 8 for sale
  • Unit 705: listing photo

    $589,000

    Unit 705, floor 7

    1 bed · 1 bath · 571 sq ft

    $1,032/sq ft · 42 days listed · $581/mo fee

    Active · Condo · MLS #73583248
    1515 Commonwealth Ave #705, Boston, MA
    Listed by Erin Tiso, The Collaborative Companies

  • Unit 504: listing photo

    $499,000Cut $50K

    Unit 504, floor 5

    1 bed · 1 bath · 549 sq ft

    $909/sq ft · 104 days listed · $548/mo fee

    Active · Condo · MLS #73555701
    1515 Commonwealth Ave #504, Boston, MA
    Listed by Erin Tiso, The Collaborative Companies

Price per square foot at 1515 Commonwealth Ave, quarter by quarter

Typical sale price per square foot, every sale in our data since 2025 Q4.

  • $ per sq ft 1,210 (2026 Q3)
Brighton typical, past 12 months: $673. Source: Verified market data; analysis by the Observer Markets Desk.
Show the numbers
QuarterTypical $/sq ftSales
2025 Q4$1,1052
2026 Q1$1,0306
2026 Q2$1,0473
2026 Q3$1,2105

Higher floors sell for 22% more per square foot

Typical sale price per square foot by floor, past 12 months.

  • Floors 1–3$1,0113 sales
  • Floors 4–6$1,04810 sales
  • Floors 7–8$1,2293 sales
Source: Verified market data; analysis by the Observer Markets Desk.
Show the numbers
FloorsTypical $/sq ftSales
Floors 1–3$1,0113
Floors 4–6$1,04810
Floors 7–8$1,2293

Buy or rent here?

Typical sale price and monthly rent by size, past 12 months. “Rent as % of price” is a year's rent divided by the price: the higher it is, the more renting here costs compared with buying.

SizeSale priceMonthly rentRent as % of price
1 bedroom$762K (14)$2,800 (3)4.4%
2 bedrooms$1.35M (1)$4,700 (5)–
3+ bedrooms$1.75M (1)––

What soldPast 12 months, newest first

ClosedUnitSizePrice$/sq ftvs. first ask
Sep 8Unit 614MLS #73532393 · The Collaborative Companies1 bed, 903 sq ft$899,000$996+0.0%
Aug 17Unit 807MLS #73542998 · The Collaborative Companies1 bed, 520 sq ft$639,000$1,229+6.7%
Aug 10Unit 512MLS #73486725 · The Collaborative Companies3 bed, 1,371 sq ft$1,749,000$1,276+40.0%
Aug 7Unit 605MLS #73531651 · The Collaborative Companies1 bed, 571 sq ft$619,000$1,084+3.3%
Jul 21Unit 707MLS #73513913 · The Collaborative Companies1 bed, 520 sq ft$629,000$1,210+8.6%
Apr 30Unit 607MLS #73487567 · The Collaborative Companies1 bed, 520 sq ft$499,000$960+0.0%
Apr 30Unit 405MLS #73485265 · The Collaborative Companies1 bed, 572 sq ft$599,000$1,047+0.0%
Apr 1Unit 503MLS #73479428 · The Collaborative Companies1 bed, 718 sq ft$799,000$1,113+0.0%
Mar 31Unit 303MLS #73489900 · The Collaborative Companies1 bed, 717 sq ft$725,000$1,011+0.0%
Feb 6Unit 602MLS #73451130 · TCC/ 1515 Comm Ave.1 bed, 713 sq ft$899,000$1,261+16.9%
Show all 16 sales
ClosedUnitSizePrice$/sq ftvs. first ask
Jan 28Unit 302MLS #73434964 · TCC/ 1515 Comm Ave.1 bed, 712 sq ft$699,000$982+16.7%
Jan 21Unit 514MLS #73438619 · TCC/ 1515 Comm Ave.1 bed, 857 sq ft$899,000$1,049+0.0%
Jan 15Unit 615MLS #73453273 · TCC/ 1515 Comm Ave.1 bed, 909 sq ft$899,000$989+0.0%
Jan 13Unit 706MLS #73465219 · The Collaborative Companies1 bed, 1,057 sq ft$1,250,000$1,183+0.0%
Dec 16Unit 806MLS #73417553 · TCC/ 1515 Comm Ave.2 bed, 1,057 sq ft$1,349,000$1,276+0.0%
Nov 21Unit 415MLS #73441347 · TCC/ 1515 Comm Ave.1 bed, 909 sq ft$849,000$934+10.4%

Where it isWith nearby buildings we track

Questions people ask

How much do condos cost at 1515 Commonwealth Ave?
In the past 12 months, 16 condos sold at 1515 Commonwealth Ave (1515 Commonwealth Ave, Boston) for a typical $824,000, or $1,067 per square foot. Sales ranged from $499,000 to $1,749,000.
How fast do condos sell at 1515 Commonwealth Ave?
Units that sold in the past 12 months took a typical 29 days to get an accepted offer, and 100% sold for their first asking price or more. In Brighton overall, it took 25 days.
What are the condo fees at 1515 Commonwealth Ave?
The typical monthly condo fee at 1515 Commonwealth Ave is $854, about $1.03 per square foot a month, based on the fees filed with its listings.
How many condos are for sale at 1515 Commonwealth Ave right now?
8 units are for sale, asking from $499,000 to $1,229,000.
What does it cost to rent at 1515 Commonwealth Ave?
8 units rented in the past 12 months, for a typical $4,088 a month. 1 bedroom: $2,800; 2 bedrooms: $4,700.
When was 1515 Commonwealth Ave built, and how many units does it have?
1515 Commonwealth Ave was built in 2025 and has 102 units, with homes up to the 8th floor, according to its listings.

About these numbers

Every figure on this page comes from verified market data for 1515 Commonwealth Ave, 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: “1515 Commonwealth Ave building report,” Boston Real Estate Observer, https://bostonrealestateobserver.com/buildings/boston/1515-commonwealth-ave/ (data as of November 8, 2026).