Data + Social
The complete CURVE platform
The same price as Data, plus Social Studio, CURVE Email and website widgets.
Billed annually at $480, or $49 billed monthly
14 days of everything in Data + Social. No credit card required.
Price the unit against its own building
Before the listing appointment, see the building's recorded sales unit by unit, let Build CMA rank the same-line units first, and send the seller a comp sheet with your name on it.
Boston, Miami and New York, developer closings included. Those are often sold without an MLS listing.
14 days of everything in Data + Social. No credit card required.
44BFloor 44
$36,500,000
$11,995/SF
43BFloor 43
$33,000,000
$10,845/SF
Same layout, one floor apart. 44B sold for $1,150 more a foot (+10.6%), a year after 43B.
ACRIS deed records. Reported Closings are left out.
Three questions the seller will ask
What did units like mine sell for?
The building's recorded sales by bedrooms, size, floor and sale type, each with its price per square foot.
See the spreadWhat did I pay, and when?
Your last recorded purchase price and date, how long you've held, and what your line has sold for since.
See a unit's historyHow is the building trading?
The report's Total Sales Over Time, Monthly Sales Over Time and Sale Cycle pages, all from recorded sales, developer closings included.
See the reportSame building, three bedrooms, $6,594 to $11,995 a foot
Bedroom count alone doesn't price a unit. Of the five latest three-bedroom deed sales at 220 Central Park South, 24B (2,616 SF, floor 24) closed at the bottom and 44B (3,043 SF, floor 44) at the top, 82% more a foot.
A comp set that stops at bedrooms hides that. The building's own record puts size and floor beside each price.
| Date | Unit | Sale | SF | Price | $/SF | Prior sale | Change |
|---|---|---|---|---|---|---|---|
| 44B | Resale 1 | 3,043 | $36,500,000 | $11,995 | $26,750,000 (Jul 2019) | +36.5% | |
| 55B | Resale 2 | 3,211 | $35,000,000 | $10,900 | $33,000,000 (Apr 2021) | +6.1% | |
| 24B | Resale 1 | 2,616 | $17,250,000 | $6,594 | $14,632,313 (Oct 2018) | +17.9% | |
| 39A | Resale 1 | 3,114 | $32,000,000 | $10,276 | $22,808,800 (Feb 2019) | +40.3% | |
| 43B | Developer Sale | 3,043 | $33,000,000 | $10,845 | — | — |
ACRIS deed records. Reported Closings are left out. Change is against the unit's prior recorded sale.
Comps ranked the way you'd pick them
On any unit page, Build CMA suggests comps from the last 12 months, starting inside the building. Units on the same line with the same bedrooms and within 20% of the size come first, then same-bedroom units close in size.
Open the unit
Start from the seller's unit page in Boston, Miami or New York.
Build CMA
Comps from the last 12 months arrive ranked, same line first. Switch the scope to nearby buildings when the building is thin.
Star the subject, trim the list
Add up to 12 units from one market, star the seller's unit and uncheck anything you don't want shown.
Share the link
The seller opens it without an account and sees your name on it. It's a fixed snapshot, so the numbers stay the ones you showed. Links expire after 14 days.
Your past CMAs stay saved in the CMA Builder.
Every comp brings its own history
Each comp links to its unit page: the unit's recorded sales and transfers, how long each owner held it, and the gain or loss against the sale before.
- Developer Sale$26,786,500
- +23.2%held 1.4 yearsResale 1$33,000,000
- +6.1%held 3.8 yearsResale 2$35,000,000
ACRIS deed records. Reported Closings are left out.
How sales are labeled
- Developer Sale
- The unit's first sale, by the building's developer.
- Resale 1 to 4, Resale 5+
- Each later sale, counted in order.
- Combo Sale
- One deed that conveys more than one unit.
- Restricted Sale
- The sale of an income-restricted unit.
- Sale
- A sale recorded on a package deed.
Same-owner transfers, moves into a trust or LLC, and $1 and $10 deeds aren't market sales. They sit on their own tab and never count toward price, $/SF or gain figures.
In Boston, each sale also shows whether a purchase mortgage was recorded with it.
The report the seller keeps
The Custom Report Maker turns the building's record into a report with your name on it, for the folder on the table or the seller's inbox.
- Your name on it
- Prepared-for line, your name, email, phone, brand color and logo.
- The pages you choose
- Pick the pages and set their order. Leave out what the seller doesn't need.
- A PDF or a link
- Download a PDF for the folder to keep, or send a link the seller opens without an account. Links last 14 days.
- Know when they open it
- CURVE shows who opened your emailed link and emails you when they do, at most once per viewer per day.
- If they decide to wait
- CURVE can send them a fresh version every 2 weeks, monthly or quarterly.
Report editing works on a computer.
Building report
Prepared for
- Bio Page
- Executive Summary
- Unit Mix Analysis
- Total Sales Over Time
- Monthly Sales Over Time
- Pricing
- Floorplans
- Sale Cycle
- Gain / Loss
Where the numbers come from
- Boston
- Recorded deeds from the Suffolk Registry of Deeds, plus Middlesex South for Cambridge and Somerville. Updated every weekday.
- Miami
- County Clerk official records: Miami-Dade and Broward, plus Palm Beach, Hillsborough and Pinellas for the buildings there.
- New York
- ACRIS deed records, with unit sizes from Attorney General offering-plan filings. The newest closings appear as Reported Closings until the city publishes the deed.