By Apex Property Services · Licensed NYC Contractor Since 1995 · Updated April 2026
Hiring the wrong contractor in NYC can cost you tens of thousands of dollars in defective work, unpaid subcontractors, or building code violations. Here are the 7 biggest red flags — and what a trustworthy contractor looks like.
Any contractor performing work on NYC buildings must be licensed by the NYC Department of Buildings. You can verify a contractor's license at nyc.gov/buildings. No license = no protection for you if something goes wrong. Always ask for the license number and verify it.
A reputable contractor will never require 100% payment before work begins. Standard payment terms are a deposit (10–30%) at signing, progress payments as work is completed, and final payment upon satisfactory completion. Full payment upfront is a classic setup for a contractor who disappears.
Every contractor should provide a detailed written contract specifying: exact scope of work, materials to be used, timeline, payment schedule, and warranty terms. Never work with a contractor who resists putting the agreement in writing.
Contractors working in NYC must carry both general liability insurance and workers' compensation insurance. Ask for certificates of insurance naming you as an additional insured. Without insurance, you are liable for any injuries or damage that occur on your property during the project.
If one bid is dramatically lower than others, be suspicious. Low bids typically mean: unlicensed workers, inferior materials, shortcuts on preparation, or the contractor plans to request expensive change orders once work begins. Price matters — but so does quality and accountability.
Established NYC contractors have verifiable track records. Ask for references from similar projects and check Google reviews. Apex Property Services has 103+ verified Google reviews from satisfied NYC building owners — that kind of track record takes years to build.
For most structural, facade, and major renovation work in NYC, permits are legally required. A contractor who suggests skipping permits is exposing you to serious liability — unpermitted work must be removed or disclosed in real estate transactions. Always confirm permits will be pulled.
Apex Property Services is a licensed NYC contractor with 30+ years of experience. We serve all 5 boroughs and Nassau County with free estimates on all projects.
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