NYC Administrative Code Title 27

Simple Summary for Landlords & Building Owners

What Is Title 27?

NYC Administrative Code Title 27 is the main set of New York City rules that govern how buildings must be constructed, maintained, repaired, and safely operated.

It applies to:

• Apartment buildings
• Mixed-use buildings
• Commercial properties
• Residential homes
• Existing and new buildings

The purpose of the law is to protect:

• Tenant safety
• Public safety
• Fire safety
• Structural stability
• Health and welfare of occupants

Main Responsibilities of Landlords

1. Keep the Building Safe at All Times

Landlords are responsible for maintaining the entire property in safe condition, including:

• Hallways
• Stairs
• Entrances
• Roofs
• Exterior walls
• Fire escapes
• Railings
• Common areas

Unsafe conditions must be repaired promptly.

2. Maintain Fire Safety Systems

Required fire protection systems must remain operational and properly maintained, including:

• Fire alarms
• Smoke detectors
• Carbon monoxide detectors
• Sprinklers
• Exit signs
• Emergency lighting
• Fire extinguishing equipment

Blocked exits or non-working fire systems can result in violations and penalties.

3. Obtain Proper Permits

Many types of work require permits from NYC Department of Buildings, including:

• Construction
• Alterations
• Plumbing work
• Gas work
• Electrical work
• Demolition
• Sign installation
• Equipment installation

Work performed without permits may lead to violations, stop-work orders, or fines.

4. Prevent Illegal Conversions

Buildings may only be occupied for their legally approved use.

Examples of illegal conversions include:

• Creating extra apartments without approval
• Converting basements illegally
• Exceeding legal occupancy limits
• Changing building use without permits

Illegal occupancy conditions can create major safety hazards and legal liability.

5. Maintain Exterior Walls & Facades

Buildings over six stories must undergo periodic facade and exterior wall inspections by licensed professionals.

Owners are responsible for:

• Repairing unsafe facade conditions
• Preventing falling debris hazards
• Maintaining balconies, parapets, and exterior appurtenances

Failure to maintain exterior walls can result in significant penalties.

6. Keep Building Systems Working

Landlords must maintain:

• Heating systems
• Water systems
• Plumbing
• Gas piping
• Ventilation systems
• Elevators
• Means of egress

All required building systems must remain in good working order.

7. Use Licensed Professionals When Required

Certain work must be performed or filed by licensed professionals such as:

• Architects
• Engineers
• Licensed plumbers
• Licensed electricians
• Licensed contractors

Improper or unlicensed work can create violations and safety risks.

Important Takeaway

Title 27 places ongoing responsibility on landlords and building owners to:

• Maintain safe buildings
• Follow NYC Building Code requirements
• Protect tenants and the public
• Correct unsafe conditions
• Obtain permits when required
• Maintain legal occupancy and fire safety compliance

Ignoring these responsibilities can lead to:

• DOB violations
• ECB/OATH penalties
• Stop-work orders
• Civil liability
• Emergency repairs ordered by the City

DISCLAIMER:This summary is provided for general informational purposes only and does not constitute legal, engineering, architectural, or code-compliance advice. Building owners, landlords, contractors, and property managers are responsible for verifying all current requirements with the applicable New York City agencies and licensed professionals. NYC laws, codes, and regulations may change over time.

DISCLAIMER: The information, images, and attached flyer are provided for informational purposes only. This flyer was originally created and distributed free of charge by the New York City Department of Sanitation (“DSNY”) and may be downloaded directly from official New York City government websites. Our company is not affiliated with, endorsed by, authorized by, or acting on behalf of DSNY or any New York City agency. We are providing this material free of charge solely as a public convenience and educational resource.

While we attempt to provide accurate and up-to-date information, laws, regulations, enforcement dates, penalties, and compliance requirements may change without notice. Property owners, managers, and buyers are solely responsible for verifying all requirements directly with official New York City sources, including DSNY and the NYC Administrative Code. Our company makes no guarantees regarding completeness, accuracy, legal compliance, or inspection acceptance and assumes no liability for errors, omissions, losses, violations, penalties, or damages arising from the use of this information or flyer.

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For more information about what is required, see the laws that are referenced and the rules applicable to your city and state. This page is for informational purposes only and is not intended as legal advice, professional advice or a statement of law. You may wish to consult with an attorney.