GreenTags

Know what you're walking into.

GreenTags turns NYC's open city data into a single score for any building — so buyers, renters, and property managers can see exactly how well a building is being run before signing anything.

Every building gets a 0–100 score built from three pillars:

Compliance — boiler inspections, elevator reports, facade filings
Violations — open DOB safety and HPD housing code violations
Energy Efficiency — NYC Energy Star benchmarking
One number. No guesswork.

For Property Managers
Track your entire portfolio on a map. Green pins are healthy. Red pins need attention. Tap any pin to see exactly what's wrong and what it will take to fix it.

For Buyers & Renters
An apartment is only as good as the building it's in. Check any address before you sign a lease or close a deal. See open violations, inspection history, flood zone, and energy performance — the same data your attorney charges you to find.

For Board Members & Realtors
Benchmark your building. Share a compliance report with prospective buyers. Export a full PDF summary in one tap.

Live City Data
GreenTags pulls directly from NYC's Department of Buildings, HPD, LL84 Energy Benchmarking, and FEMA flood maps — updated in real time, no manual entry required.

What GreenTags covers:

Boiler & elevator inspection status
Facade inspection (FISP/LL11) filings
DOB safety violations
HPD housing code violations, by class
311 Complaints
NYC Energy Star score & letter grade
Bedbug disclosure history
Electrification impact projection
Solar roof potential
Search any NYC address. See the score. Know the building.

Based on publicly available NYC city data and is provided for informational purposes only. It does not constitute legal, financial, or real estate advice. Always consult a qualified professional before making any property decision.