Sources and matching

We use public records from DCWP, NYS DOS, DOB NOW, legacy BIS, the Landmarks Preservation Commission, and the New York Workers' Compensation Board. A company project is called confirmed only when an address published by the company matches a DOB record by BIN, not by address text alone.

What a record note means

A record note is a statement about a dated public source, not a verdict on a company. An expired home improvement license is a fact about a register entry. A missing workers' compensation result can also be consistent with a sole proprietor who has no employees.

What absence does not mean

No matching permit does not prove that work was not done. Residential masonry can be performed without a permit, and subcontracted work can appear under another company's license. The catalog says only what the cited record supports.

Independence and updates

Brownstone Contractor Check is a reference, not a recommendation. No company pays to be listed, ranked, or removed. The published catalog currently contains 60 companies and was last checked on September 23, 2026.