ZIP 10011 · Manhattan · Block 693 · Lot 18
Ground conditions at 521 West 21 Street
Foundation risk band: High · data coverage Good
~9 ftgroundwater depth
~69 ftdepth to bedrock
~8 ftground elevation
36boring sites within ½ mi
The nearest boring data is 540 West 21st Street, 321 ft away, where groundwater was about 9 ft down and fill reached 19 ft.
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The exact 0–100 score and its five parts, plain-language findings, every nearby boring summary, wells, bedrock points and cleanup sites, with sources. Delivered by email as a shareable link.
Open this address on the map →Boring data within ½ mile
| Site | Distance | Groundwater | Fill |
|---|---|---|---|
| 540 West 21st Street | 321 ft | 9 ft | 15–19 ft |
| 551 West 21st Street | 342 ft | 8 ft | n/r |
| 550 West 20th Street | 469 ft | 8 ft | 9–30 ft |
| 532 West 20th Street | 478 ft | 10 ft | n/r |
| 533 West 19th Street | 524 ft | 11 ft | 5–17 ft |
| 555 West 22nd Street | 529 ft | n/r | 16 ft |
| 514 West 24th Street | 567 ft | 8 ft | 6 ft |
| 508 West 24th Street - DOB Job No. NB - 121181014 | 646 ft | 9 ft | 5.5 ft |
| 515 West 18th Street | 811 ft | n/r | n/r |
| Ce - W. 18th St. Gas Works | 827 ft | n/r | 7.5–10.5 ft |
| 239 10th Avenue | 841 ft | 9 ft | 10 ft |
| 118 10th Avenue | 0.21 mi | 14 ft | n/r |
Estimates come from public records near this lot and can differ from conditions on the lot itself.