Code violation leads for contractors

A violation is recorded when an inspector, or a tenant complaint that an inspector confirms, finds a condition that breaks the housing or building code. The record carries the building, the code section, a plain description of the condition, a class or severity, the date it was issued, and the date by which it must be corrected. Many carry a penalty schedule.

Violations are public because enforcement is public. Cities with a housing-maintenance code publish them on open-data portals with daily refresh; buildings departments publish construction and safety violations separately; 311-style complaint databases publish the complaints that precede them.

The record names the building and the condition, not the person who will hire the contractor. Matching the building to its registered owner or managing agent, then to the person who awards repair work, is what turns a violation into a lead.

• Housing code violations. NYC HPD violations and complaints; the equivalent housing or code-enforcement datasets in Chicago, Seattle, DC and other cities with an open-data portal.
• Buildings department violations. NYC DOB and ECB/OATH violations; construction, elevator, boiler and facade safety violations elsewhere.
• 311 complaint databases. Tenant and neighbour complaints, published before an inspector confirms them; clusters on one building are a signal on their own.
• Fire and life-safety records. Sprinkler, alarm and fire-safety violations from the fire department or buildings department.

Immediately. A violation carries a cure date, and the owner or manager is looking for a contractor the week it lands, often the day. Class and severity tell you how fast: a hazardous heat violation in winter is a same-week decision, a lower-class condition may sit until the next inspection. Repeat violations on one building or across one owner's portfolio are the strongest pattern, because the owner has a recurring problem and no fix that stuck.