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AI-Powered NYC Zoning Analysis. From site search to buildable envelope.
509 W 48th St
BBL 10105700254 Steps from Lot to Permit
Search → Analyze → Model → Report. Real-time updates across every step.
The same pipeline our team uses internally to underwrite NYC development sites.
- Step 01
Deal Sourcing
Find the right sites before anyone else.
AI-Curated DealsMap Search - Step 02
Analyze
Instant zoning analysis across districts, overlays, and bonuses.
Instant Zoning - Step 03
Model
Build 3D massing scenarios with real-time FAR feedback.
Generative MassingUser Edit - Step 04
Report
Export a feasibility brief and architect-ready data package.
Feasibility PDFArchitect brief
Top AI-surfaced deals
Under-utilized lots ranked by unused FAR, zoning upside, and assemblage potential across all five boroughs.
1 Park Row
Civic Center, Manhattan
- Zone
- C5-5 / LM
- Lot area
- 21,500 sf
- FAR
- 22.0 / 30.1
- Unused FAR
- 8.1
Benchmark lot — 30.07 FAR ceiling under the Lower Manhattan Special District.
509 W 48th St
Hell's Kitchen, Manhattan
- Zone
- R8 / C2-5
- Lot area
- 21,924 sf
- Ask
- $18.5M
- Unused FAR
- 8.2
8.2 unused FAR + MIH bonus — mixed-use tower play with C2-5 retail base.
110 Schermerhorn St
Downtown Brooklyn
- Zone
- C6-2A
- Lot area
- 14,860 sf
- Ask
- $12.2M
- Unused FAR
- 4.8
Air rights assemblage candidate with transit FAR bonus and inclusionary upside.
One workspace, every role
Hover any role to see the kind of question Zonalyze answers in minutes instead of weeks.
Feasibility outputs are for analysis only — engage a licensed architect to prepare the official ZD1 before DOB submission.
Pick the plan that fits your pipeline
Both plans include the full Zonalyze engine — zoning, massing, and feasibility reports.
For active developers and brokers running deals weekly.
- Unlimited zoning analyses
- AI-curated deal feed
- 3D massing studio
- Feasibility report PDFs
For teams underwriting at scale across the five boroughs.
- Everything in Pro
- 5 seats included
- Bulk screening (CSV upload)
- API access + integrations
Trusted by developers across all 5 boroughs
“We went from a week of zoning research per site to a 10-minute go/no-go. Zonalyze pays for itself on every deal.”
“The massing studio is the closest thing to having a junior architect on retainer. We sketch envelopes before we sign an NDA.”
“I walk into pitches with the FAR, MIH bonuses, and a full feasibility brief already on the table. Brokers love it.”
Get early access
Join developers already using Zonalyze in beta.