ZIP 11211 · Brooklyn · Block 2372 · Lot 5

Ground conditions at 421 Union Avenue

Foundation risk band: Moderate · data coverage Good

~15 ftgroundwater depth
~186 ftdepth to bedrock
~17 ftground elevation
87boring sites within ½ mi

The nearest boring data is 438 Union Avenue, 247 ft away, where groundwater was about 10 ft down and fill reached 2 ft.

Get the full site report · $24

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

SiteDistanceGroundwaterFill
438 Union Avenue247 ft10 ft2 ft
402 Union Avenue248 ft17 ftn/r
80-82 Ainslie St.269 ft19 ft6 ft
502 Metropolitan Avenue301 ft10 ft4–5 ft
400 Union Avenue344 ft20 ft5 ft
432-438 Keap St.346 ft17 ft4 ft
31 Ainslie Street385 ft10 ftn/r
390 Union Avenue395 ft15 ft1 ft
Hope Street Project555 ft11 ft8–15 ft
432 Rodney Street564 ft12 ft4.5 ft
Bqe/Ansbacher Color & Dye Factory621 ftn/rn/r
289 North 6th Street687 ft8 ft15 ft

Estimates come from public records near this lot and can differ from conditions on the lot itself.