17 South William Street Recorded sales history and building record · last recorded sale $10,250,000 on Mar 25, 2026
Manhattan 10004Class S9 4 residential units · 6 total8,690 SF · 1,738 SF lotBuilt 1900 BBL 1-00029-0047
Building facts as recorded on DOF sale documents. Verify before relying on them.
Recorded sales · this parcel
Date Price $/SF Res. units Class Mar 25, 2026 $10,250,000 $1,180 4 — Jul 14, 2023 $15,100,000 $1,738 4 S9 Sep 17, 2021 $10,100,000 $1,162 4 S9
Building record · city files
No open HPD violations on file.
Latest DOB permit: A2 · PL issued undefined NaN, 12/14/2018
Per NYC Open Data HPD violation and DOB permit files as of Oct 13, 2026 · city records lag reality · full record: DOB BIS · HPD Online
Recent recorded sales nearby · 10004
40 Broad Street, 14c $582,500 · Aug 24, 2026 · 1 units 70 Little West Street, 22a $1,030,000 · Aug 19, 2026 · 1 units 2 River Terrace, 21c $3,525,000 · Aug 12, 2026 · 1 units 25 Broad Street, Cph2 $201,000 · Aug 12, 2026 · 1 units 40 Broad Street, 25g $799,000 · Aug 10, 2026 · 1 units 25 Broad Street, T008 $1,590,000 · Aug 5, 2026 · 1 units 30 Little West Street, 10a $1,995,000 · Aug 5, 2026 · 1 units 1 River Terrace, 8l $3,580,000 · Aug 4, 2026 · 1 units 25 Broad Street, P018 $980,000 · Aug 3, 2026 · 1 units 2 River Terrace, 8h $4,825,000 · Jul 30, 2026 · 1 units Own this building, or one like it? BRIC turns a rent roll and expenses into a defensible value range: in-place, pro forma, and the market sale basis from recorded comps like the ones above.
Value a building like this Source: NYC Dept. of Finance rolling sales · BRIC database · retrieved Oct 13, 2026Data rights