What is NYC HPD Form SD-1 and How Do I File It?

SD-1
HPD

Smoke & Carbon Monoxide Detector Certificate

Answer: Certificate confirming proper installation of smoke and carbon monoxide detectors in residential units. Landlords must maintain these devices and provide this certification to tenants.

Quick Facts

Form Number
SD-1
Agency
HPD
Category
Safety Devices
Last Updated
Dec 2025

Key Fields to Complete

  • 1
    Property Address - Building and unit address
  • 2
    Detector Locations - Where detectors are installed
  • 3
    Installation Date - When devices were installed/tested
  • 4
    Device Types - Smoke, CO, or combination detectors
  • 5
    Tenant Acknowledgment - Signature confirming receipt

Step-by-Step Instructions

  1. 1
    Download the PDF form using the button above
  2. 2
    Inspect and test all smoke and CO detectors
  3. 3
    Document the location of each device
  4. 4
    Record the installation/test date
  5. 5
    Have tenant sign to acknowledge working devices
  6. 6
    Provide copy to tenant and keep original

Pro Tips

  • Detectors must be tested at least once per year
  • Replace batteries as needed (usually annually)
  • Combination smoke/CO detectors are acceptable
  • Keep records of all maintenance and testing
  • Respond promptly to tenant complaints about non-working devices

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