In the residential sector in Connecticut, the state mandates that landlords maintain their properties in a safe, healthy, and habitable condition regardless of what the lease says. In the commercial sector, however, the governing rule is radically different: read the lease.

The commercial property market in Connecticut places almost zero statutory maintenance burden on the landlord. The legal responsibilities for repairing the roof structure, maintaining the HVAC systems, and keeping the parking lot paved are determined entirely by the negotiations documented in the commercial lease agreement.

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1. The Landlord’s Responsibility

In a standard commercial lease (even Triple Net), landlords typically retain physical responsibility for the "bones" and shared spaces of the building. This usually includes:

• The structural integrity of the building (foundation, load-bearing exterior walls, structural columns).
• The roof structure and outer membrane replacement.
• Common areas (lobbies, shared restrooms, elevators, parking lots, landscaping).
• Central utility conduits up to the specific point of entry into the tenant's individual suite.

(Note: In Triple Net leases, the landlord performs the maintenance, but the tenant reimburses the landlord for their pro-rata share of the costs via CAM charges).

2. The Tenant’s Responsibility

Tenants are almost universally responsible for maintaining the interior of their specific leased premises. This typically includes:

• Interior lighting fixtures, plumbing fixtures, and localized electrical panels.
• Cosmetic elements (paint, carpeting, drywall partitions).
• Janitorial services within their direct suite.
• Pest control within their specific unit.
• Glass, windows, and storefront doors (vital for retail).

3. The HVAC Wildcard

Heating, Ventilation, and Air Conditioning (HVAC) systems are notoriously expensive and are a frequent source of dispute in commercial leases. In Connecticut, the lease must state who handles HVAC.

• Some leases place the full repair and total replacement burden entirely on the commercial tenant.
• Many leases require the tenant to hold an active, professional preventative maintenance contract, while requiring the landlord to pay for full capital replacements if the unit completely dies.
• It is critical to define these terms explicitly to avoid litigation.

See our Commercial Lease Requirements미리보기를 사용할 수 없습니다 guide for more on structuring specific clauses.

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Official Law Citation: The rules and regulations outlined on this page are governed entirely by the heavily negotiated terms of your commercial lease agreement.

How Landager Helps

Landager continually tracks lease terms, required compliance items, and strict escrow accounting records - making it easy to fundamentally stay heavily compliant with Connecticut regulations.

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