77 Waltham
South End, Boston · 77 Waltham St
77 Waltham in South End, Boston has 30 recorded condominium sales dating back to 1984, a median sale price of $420K and an average of $570 per square foot. Every figure below is drawn from recorded deeds — not listings, not estimates.
77 Waltham is one of 578 condo buildings CURVE covers in South End, where the median recorded price is $699 per square foot. By that measure it ranks #509 of 577 in the neighborhood.
The record
Sales activity
Recorded sales by year
Every deed recorded in 77 Waltham, by year, with that year's median price.
Sales by price point
How 30 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 |
|---|---|---|---|---|---|---|
| 2 | 8/13/2026 | 1 Bed | Resale 7 | $790K | $1,013 | +1% |
| 6 | 8/1/2024 | 2 Beds | Resale 7 | $1.2M | $1,319 | +9% |
| 2 | 8/1/2022 | 1 Bed | Resale 6 | $785K | $1,006 | +31% |
| 6 | 10/22/2019 | 2 Beds | Resale 6 | $1.1M | $1,209 | +52% |
| 2 | 6/6/2016 | 1 Bed | Resale 5 | $600K | $769 | +41% |
| 4 | 9/27/2013 | 3 Beds | Resale 2 | $752K | $681 | +20% |
| 3 | 8/9/2013 | 2 Beds | Resale 3 | $545K | $742 | +37% |
| 6 | 7/11/2013 | 2 Beds | Resale 5 | $725K | $797 | +21% |
| 2 | 8/17/2012 | 1 Bed | Resale 4 | $425K | $545 | +8% |
| 7 | 6/15/2012 | 2 Beds | Resale 1 | $630K | $741 | +54% |
The full 77 Waltham 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 77 Waltham?
30 recorded sales, going back to 1984, of which 23 are resales. This page shows the 10 most recent; members see all of them.
What has 77 Waltham done over time?
Resales in the building have changed hands at an average of +46.9% against their prior recorded price, after an average hold of 5.5 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.