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NYC Subsurface Intelligence

Know what
lies beneath
before you sign.

FoundationIQ synthesises NYC subsurface data into a single risk score for any lot in all five boroughs. Instant. Free.

FREE INSTANT ANALYSIS — NO ACCOUNT REQUIRED
All 5 boroughs · No credit card · Unlimited reports

Proprietary Risk Index

The FoundationIQ Score.

Three weighted sub-scores combine into a single 0–100 index calibrated against NYC construction cost records and real site data.

ERR
Environmental Remediation Risk
40% of composite
DEC spill records within 500m, EPA brownfield proximity, UST density. Verified against NY State DEC open data.
DC
Dewatering Complexity
30% of composite
FEMA flood zone, groundwater table depth (USGS NWIS), fill type, proximity to water bodies.
SOE
Shoring & Excavation Support
30% of composite
Adjacent structure density, soil bearing, bedrock depth. Lot dimensions from NYC PLUTO.

Common
questions.

What does a report include? +
Score, sub-scores, groundwater range (USGS), bedrock depth, soil profile, FEMA flood zone (live), PLUTO lot area, block & lot number, NYCBC §1803.4 boring requirements, cost estimates (SOE soldier piles + underpinning, micropiles/CFA, foundation), NY DEC environmental flags, regulatory flags, BCP/VCP tax credit assessment.
Where does the data come from? +
Live APIs: NYC Planning Labs GeoSearch (coordinates + BBL), NYC Open Data PLUTO (lot dimensions, zoning, year built), FEMA NFHL ArcGIS (flood zone), NY State DEC Open Data (environmental spills within 500m). Subsurface data: USGS DR-1176 bedrock geology, USGS NWIS groundwater monitoring.
Can I download reports? +
Yes — Technical PDF (2 pages: summary + detailed SOE/foundation cost breakdown) and Marketing Brief PDF. Both open a print-ready window — use Save as PDF in your browser.
Do I need an account? +
No. Run unlimited reports without an account. Create a free account to save reports across sessions and access your dashboard.