Bellingham, WA · Whatcom County

Accessory Dwelling Unit Application

Bellingham property owners applying for an accessory dwelling unit may need this application and a notarized Address Information Verification form with their required mailing list.

Detailed form~25 min to notarize
  • licensed online notary
  • ~15 min average
  • Notarized PDF emailed

What you’ll need

  • Government-issued photo ID
  • Webcam-enabled device (laptop or phone)
  • This form, ready to upload as a PDF

What this form is

This application collects project, property, applicant, and proposed accessory dwelling unit details for Bellingham's permit review. Applicants must submit a notarized Address Information Verification form with the mailing list for Type II and Type III-A applications; the verification certifies that nearby property-owner information is complete and correct according to Whatcom County Assessor records. The application also lists other required plans, forms, and materials, which vary by project and review type.

Who needs it

Property owners or their authorized agents proposing an accessory dwelling unit in Bellingham need this application and, for Type II or Type III-A review, the notarized address verification.

Why it needs a notary

The Address Information Verification form contains a subscribed-and-sworn jurat; each individual making the statement signs before the notary.

How to get this notarized

  1. 1

    Download The Application

    Get Bellingham's ADU application and review the submittal requirements for your project and review type.

  2. 2

    Fill In Project Details

    Complete the application and gather the required plans, forms, mailing list, labels, and Assessor information.

  3. 3

    Book An Online Notary

    Book a commissioned online notary for the Address Information Verification jurat.

  4. 4

    Sign On Video

    Sign the verification during the notary's online video session as instructed.

  5. 5

    Submit To The City

    Submit the completed application and applicable supporting materials to Bellingham's Permit Center.

Preview the form

The blank PDF straight from Bellingham. Look it over, then upload your filled copy to start the notary session.

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You’ll need ID and a webcam.

A licensed online notary will join you on video, verify your government-issued ID, witness your signature, and apply their seal. You’ll receive the notarized PDF by email when the session ends.

Frequently asked questions

Which part of the ADU application needs notarization?
The Address Information Verification form includes a jurat. The person or people certifying the property-owner mailing list sign that statement before a notary.
Do I need the notarized verification for every ADU application?
The application lists a mailing list and labels for Type II and Type III-A applications, and says the Address Information Verification form must be notarized. Confirm with the city or town if unsure.
How do I complete the notarized address verification online?
Complete the form and prepare the required Assessor information, then book a commissioned online notary. Sign during the video session as directed by the notary, and submit the completed materials to the city.
What information must accompany the verification?
The form says to attach parcel numbers and property-owner names and mailing addresses. Its instructions also describe preparing mailing labels and identifying owners within the required notice radius.

Ready to notarize your Accessory Dwelling Unit Application?

Drop your email below — we’ll hand you straight to a licensed notary in the next session.