Planning a Seattle ADU · Confirm the lot and jurisdiction before choosing the plan
Seattle ADU planning guide

Describe Your Seattle ADU Project

A useful first enquiry identifies the jurisdiction, property and decision stage. It does not approve the parcel, diagnose concealed conditions or create a construction quote.

This website is an independent planning and referral resource, not an ADU contractor or government agency. Use the form to request a planning response or possible provider introduction for the described property.

Project form

Six required responses identify the requester, location, ADU path, existing property and intended outcome. Four optional responses add the address, budget, timing and further context:

  • name and email;
  • city or ZIP, with the street address optional;
  • the ADU type being considered;
  • a brief description of the existing property;
  • the project goal;
  • optional budget and timing information; and
  • any other relevant context the owner chooses to provide.

The form does not ask for a phone number, SMS consent or file uploads. Do not submit government identification, bank information, access codes, medical information or sensitive tenant details.

What happens after an enquiry?

Tally stores the response and emails it to the site operator. The operator may review the information for project and geographic fit. If an appropriate provider is available, relevant details may be shared so that provider can decide whether to contact the owner. An enquiry does not promise a response, appointment, provider, proposal or acceptance.

Any provider is a separate business responsible for its own credentials, assessment, advice, design, permits, price, contract, construction and follow-up. Owners should independently verify the legal entity, Washington Department of Labor & Industries record, insurance, references, scope and contract.

Prepare these facts first

Before sending an enquiry, gather the jurisdiction if known, address or city and ZIP, existing building type and units, proposed ADU type, approximate room or size goal, access notes, known utilities and any survey or plan documents. State whether you are testing feasibility, selecting a plan or ready to compare construction proposals.

Photos and documents can be useful later through an agreed secure method. They do not establish hidden structural, soil or utility conditions.

Frequently asked questions

Where does the enquiry go?

Tally stores the response and sends an email copy to dkleinhello@gmail.com for operator review. Relevant project facts may be shared with an independent provider only to consider the introduction requested by the owner.

Will sending the form approve my ADU?

No. Only the relevant authorities can issue approvals, and a complete site-specific review is required.

Would an enquiry commit me to a builder?

No. Owners decide whether to speak with or hire any provider and should compare multiple written proposals.

Should I include confidential documents?

No. Keep the initial enquiry to ordinary property and project-planning information.

Prepare the jurisdiction, property facts and project goal, then send one clear enquiry for planning or provider routing.

Describe Your ADU Project
Independent provider notice: Independent planning and referral website. It is not a contractor or government agency. Provider availability varies by address and project. The provider you choose controls assessment, credentials, design, permits, price, contract, construction and follow-up.