Atelier 505
South End, Boston · 505 Tremont St
Atelier 505 in South End, Boston has 248 recorded condominium sales dating back to 2004, a median sale price of $1.4M and an average of $1,051 per square foot. Every figure below is drawn from recorded deeds — not listings, not estimates.
Atelier 505 is one of 802 condo buildings CURVE covers in South End, where the median recorded price is $724 per square foot. By that measure it ranks #179 of 801 in the neighborhood.
The record
Sales activity
Recorded sales by year
Every deed recorded in Atelier 505, by year, with that year's median price.
Sales by price point
How 248 recorded sales distribute across the price ladder.
Unit mix sold
Bedroom count across recorded sales.
10 most recent sales
| Unit | Date | Beds | Type | Price | $/SF | Change |
|---|---|---|---|---|---|---|
| 302 | 9/17/2026 | 1 Bed | Resale 3 | $1.6M | $1,440 | +38% |
| 811 | 9/15/2026 | 2 Beds | Resale 4 | $3.1M | $1,953 | +21% |
| 204 | 5/4/2026 | 2 Beds | Resale 3 | $2.3M | $1,636 | +77% |
| 905 | 10/20/2025 | 3 Beds | Resale 1 | $5.3M | $1,115 | +109% |
| 415 | 7/14/2025 | 2 Beds | Resale 1 | $2.4M | $1,536 | +5% |
| 810 | 2/28/2025 | 2 Beds | Resale 2 | $2.9M | $1,809 | +12% |
| 703 | 10/1/2024 | 3 Beds | Resale 1 | $2.8M | $1,723 | +108% |
| 904 | 9/9/2024 | 2 Beds | Resale 2 | $4.7M | $2,081 | +11% |
| 903 | 5/14/2024 | 3 Beds | Resale 2 | $4.9M | $2,246 | +24% |
| 207 | 4/26/2024 | 1 Bed | Resale 1 | $1.3M | $1,341 | +104% |
The full Atelier 505 record
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About this record
Where does this data come from?
Every sale shown is a deed recorded with the Boston registry — the legal record of the transaction, not a listing or an estimate. CURVE assembles, verifies and reconciles each one to the building and the unit.
How many sales are in Atelier 505?
248 recorded sales, going back to 2004, of which 145 are resales. This page shows the 10 most recent; members see all of them.
What has Atelier 505 done over time?
Resales in the building have changed hands at an average of +40.6% against their prior recorded price, after an average hold of 7.1 years.
What do members see that I don't?
The complete sales table, each unit's full chain of title, buyer and seller names, financing detail, the deed book and page behind every figure, the condo documents, and reports you can send to a client.