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Investigations, explainers, and alerts for NYC condo and co-op buyers and owners. Every claim linked to primary sources. No speculation. No spin. Just the data.
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The NYC Local Law Extraction Stack: Every Mandate, Every Dollar
A master index of every NYC local law imposing compliance costs on condo and co-op buildings — with estimated annual citywide extraction, primary beneficiaries, and an honest assessment of safety benefit. Start here.
Read article →Local Law 97: The $25 Billion Carbon Penalty Hanging Over NYC Condos
LL97 caps carbon emissions from NYC buildings over 25,000 sf. Penalties of $268 per metric ton over the cap began in 2024 and tighten sharply in 2030. Retrofit costs can run $50-$200 per square foot.
Read article →Local Laws 84, 87, 88: The NYC Energy Compliance Bundle
Benchmarking, 10-year audits, retro-commissioning, lighting upgrades, sub-metering. Fifteen years of the 2009 energy laws have produced lots of reports and modest energy reductions. We break down who gets paid.
Read article →Local Law 126: The Next Local Law 11 (But for Parking Garages)
LL126/2021 requires 6-year structural inspections of every NYC parking structure. Triggered by the 2023 Ann Street collapse. Repair costs range from $200K to $5M+ per building — with every one of LL11's extraction dynamics baked in.
Read article →Local Law 152: The Gas Piping Inspection Every Four Years
Born from the 2014 East Harlem gas explosion, LL152 requires licensed master plumbers to inspect gas piping every four years. Strong safety case; tight plumber-expediter bottleneck on the compliance side.
Read article →Local Law 147: Cooling Towers, Legionella Testing, and the 2015 Outbreak
After the South Bronx Legionnaires' outbreak killed 12 in 2015, NYC built one of the tightest quarterly-testing regimes in the country. The safety case is strongest in the entire local-law stack; the vendor-lab-remediator integration is the cost problem.
Read article →Local Law 31: XRF Lead Testing and the Abatement Economy
Every pre-1960 NYC apartment had to be tested with an EPA-certified XRF instrument by August 2025. Buildings that missed the deadline face cascading HPD exposure. Per-unit abatement runs $2K-$15K.
Read article →Local Law 55: Indoor Allergens, Annual Inspections, HPD Exposure
The Asthma-Free Housing Act requires annual inspection for mold, pests, and indoor allergens, with tenant notices and remediation. Cheap when done in-house; escalates quickly once HPD violations land.
Read article →Local Law 196: The 40-Hour SST Card and the Construction Labor Toll
You won't see it on a maintenance bill, but every LL11, LL97, and LL126 project at your building is 3-7% more expensive because of Site Safety Training compliance. How the labor toll flows through to unit owners.
Read article →NYC Elevator Laws: CAT1, CAT5, LL64 Door Locks, 2027 Deadline
Four firms control nearly all NYC elevator service. LL64 door-lock monitoring retrofits are due January 1, 2027. Annual CAT1 and five-year CAT5 tests, plus the most oligopolistic service market condos and co-ops face.
Read article →Local Law 111: Annual Boiler Inspections and Combustion Tests
NYC low-pressure boilers require annual inspection and triennial combustion efficiency testing. Defensible safety regime; the cost problem is the inspector-as-repair-contractor pipeline and expediter toll on DOB NOW filings.
Read article →Why We Built CondosCoopsNYC
A barber needs a state license. A cosmetologist needs a state license. The person managing your $200M residential building needs nothing. We bought a condo, got blindsided, and decided to build the registry the state refuses to maintain.
Read article →Your 421-a Tax Abatement Is Expiring — Here's What It Will Cost You
Thousands of NYC condos built between 2005 and 2020 have 421-a tax abatements that are expiring between 2025 and 2035. When your abatement expires, your property tax bill can triple. Here is how to check if your building has one and what it will cost.
Read article →What Is Local Law 11 and Why It Could Cost You $50,000
Every NYC building over six stories must pass a facade inspection every five years. If yours fails, the repair bill can reach $20,000 to $80,000 per unit — with no cap, no competitive bidding requirement, and no independent cost review.
Read article →STAY INFORMED
More investigations coming.
We are building the definitive database of NYC condo and co-op failures. New articles publish as we uncover new patterns, new data, and new gaps.