Your Assessment.
Your Control.
Built for the five boroughs. Houses, condos, co-ops, rentals, entire buildings — if you own it in NYC, know exactly what you're paying and why. Free. 60 seconds.
Your BBL (Borough-Block-Lot) is the 10-digit ID on your property tax bill. Look it up here
Bulk HPD/DOB evidence export
✦ Houses · Condos · Co-ops · Rentals · Entire Buildings — any class ✦
Already have a tax lawyer or assessor? Good. Use this as your second pair of eyes — make sure they didn't miss anything.
Four Steps. No Guesswork.
Enter Address
We pull your official NYC assessment. Instantly.
See Comps
Side-by-side with similar properties. What are they paying?
Get Evidence
Pre-filled forms. Data packet. The proof you need.
File & Save
Walk it in. Mail it. Done. Beat the deadline.
Already Have a Tax Lawyer?
Check Your Insurance Too.
If your property is over-assessed for taxes, you're almost certainly over-insured too. Your insurance premiums are based on replacement cost — which is tied to your assessment. Lower assessment = lower premiums.
- ✓ Uses the same property data — no extra input needed
- ✓ Identifies gap between assessed value and market value
- ✓ Professional letter to send your insurance carrier
- ✓ Potential savings: $200–$1,500/year on premiums
- ✓ Works whether or not you appeal your taxes
Multiple Properties?
Multiply Your Savings.
You manage multiple buildings. Every dollar counts. Whether you use a lawyer, assessor, or do it yourself — a $39 second opinion for each property is the smartest investment you'll make this year. Don't leave money on the table.
- ✓ Full building analysis per BBL
- ✓ Unit-by-unit comparable data
- ✓ Pre-filled TC106 form for appeals
- ✓ Cap rate verification for income properties
- ✓ Clear savings estimate per property