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Residential Forms

Easily locate the right form for your project. If you installed an upgrade in a multifamily property such as a duplex, triplex or apartment building with two or more stories, go to our Multifamily Forms page to locate the correct form.

Single-Family and Manufactured Homes

  • Oregon – Smart Thermostats (Online)
  • Oregon – Contractor Install: Form 320C (Online | PDF | Doc)
  • Oregon – Self-Installed Insulation: Form 320S (Online | PDF | Doc)
  • Oregon – Clothes Washers: 2018 Form 920C (Online | PDF | Doc)
  • NW Natural Washington – Contractor Install: Form 320WA (Online | PDF | Doc)
  • NW Natural Washington – Self-Install: Form 320S-WA (Online | PDF | Doc)
  • Windows Addendum (PDF | Doc)
  • Hot Tub/Outdoor Spa Cover and Pool Pumps: Form 320HT (Online | PDF | Doc)

Condos and Townhomes

  • Condos and Townhomes Authorization: Form 301R (PDF | Doc)
  • Oregon – Standard Equipment: Form 320P (PDF | Doc)
  • Oregon – Weatherization: Form 320W (PDF | Doc)
  • NW Natural Washington – Contractor Install: Form 320WA (Online | PDF | Doc)