Waterbury, Conn., Code of Ordinances ch. 154 § 154.055
USE OF BASEMENT SPACE (Waterbury Housing Code)
Operative Text
No basement space shall be used as a habitable room or dwelling unit unless, in addition to the other provisions of this chapter: (A) The floor and walls are impervious to leakage or underground and surface run-off water and insulated against dampness. (B) The minimum aggregate glass area of windows as required under § 154.066 (A) is located entirely above the grade of the ground adjoining the window area. (1967 Code, § 9-37) Penalty, see § 10.99 Cross-reference: Flood hazard reduction; general standards, see § 153.20 Windows and ventilation, see § 154.066
Waterbury, Conn., Code of Ordinances ch. 154 § 154.055 establishes minimum physical conditions that must be met before any basement space may legally serve as a habitable room or dwelling unit. Specifically, the floor and walls must be impervious to water intrusion and insulated against dampness, and the required window glass area must sit entirely above the surrounding ground grade. Basement spaces that do not satisfy both conditions — along with all other applicable chapter requirements — cannot lawfully be occupied as living quarters.
Plain English — not legal advice.
Under § 154.055, property owners and managers who wish to offer basement space as a habitable room or dwelling unit must ensure that floors and walls are constructed or treated to resist leakage and dampness, and that the minimum window glass area required by § 154.066(A) is positioned fully above the adjacent exterior grade. Operators generally document waterproofing measures and verify window placement before marketing or renting any basement unit. Failure to meet these standards can expose a property to code-enforcement action under the penalty provisions referenced in § 10.99.
General guidance for property managers — not legal advice for your specific situation. Consult an attorney for advice on your case.
Section 154.055 of the Waterbury Code of Ordinances gives tenants a basis to question whether a basement unit they occupy or are considering renting lawfully qualifies as habitable space. If walls or floors show signs of water intrusion, or if windows do not rise above the surrounding ground level, the unit may not meet the code's threshold for legal occupancy. Tenants who believe these conditions are not being met can document the issues, raise the violation with Waterbury's local code enforcement office, or consult a tenant-rights organization familiar with Connecticut housing law.
General guidance for tenants — not legal advice for your specific situation. Consult a tenant-rights organization or attorney for advice on your case.
Generated September 17, 2026 — auto-generated, not yet human-reviewed. See /transparency for methodology.
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