Austin ADU planning · Prove the property path before selecting the building
Austin property planning guide

Build the Austin Approval File in the Order the Project Needs It

The permit set is a coordinated property argument. It explains what exists, which housing path applies, what will change and how the work will be built.

Inside Austin, Development Services publishes a sequence that begins before the application. The new dwelling needs a unique address or building number, and the design must be routed through the appropriate residential process.

Freeze the project definition

State the current and proposed number of dwellings, attachment arrangement, structures retained or removed and owner use. Identify whether the application follows ADU guidance, HOME two-unit/three-unit standards or another route.

The design brief should also record room needs, accessibility, privacy, finish level, complete budget and schedule reason. If the project definition changes, revisit the code and site basis rather than merely revising a floor plan.

Assemble the property evidence

The team may need survey, zoning/property records, easements, tree information, topography, drainage, utility data and existing-building measurements. Assign who obtains each item, who may rely on it and which decision waits for it.

Use property feasibility to close controlling questions before a full document package accumulates.

Request the unique address at the correct stage

Austin directs applicants to obtain a new address or building number before submitting the residential building permit application. Put this task in the schedule with a named owner. Ensure the address is used consistently across plans, provider coordination and later closeout.

Do not assume a unit letter invented by the project team satisfies the City’s process.

Coordinate the drawing layers

Project-specific requirements vary, but the file commonly combines:

  • existing and proposed site information;
  • zoning, coverage and dwelling-use calculations;
  • dimensioned plans, elevations and sections;
  • foundation and structural information;
  • tree, grading or drainage documentation where required;
  • energy documentation and enclosure details;
  • mechanical, electrical and plumbing design;
  • equipment and product information; and
  • notes for life safety, inspections and deferred items.

The important quality is agreement between layers. A utility route should not cross a protected area on another sheet, and structural details should match the architectural openings.

Define every professional role

Create a named team register for design, architecture, engineering, surveying, energy, trees, civil work and permit coordination. For every participant, record the contracting party and the deliverable that person owns.

The design agreement should list concepts, meetings, revision rounds, consultant fees, submission work, correction responses and construction support. It should also establish document ownership and what the owner receives if another contractor builds the project.

Submit through the current Austin route

Austin’s Residential Plan Review page covers new residential construction, additions and additional dwelling units. The City says intake checks the submission, plan-review fees are invoiced, review begins after payment, and comments may require coordination before approval.

Use the live Residential Plan Review guidance. Do not turn a current process description into a promised review duration.

Track comments as project decisions

Maintain a review register with comment, discipline, responsible person, due date, response and affected sheets. Separate City review time from consultant response and owner decision time.

When a comment changes floor area, structure, utility scope or finishes, update the owner forecast. A “permit correction” can have construction consequences.

Activate before construction

Austin says approved building and associated trade permits are generated in a pending state and must be paid for and activated. Construction begins only after required permits are active.

The contract should state who completes activation, posts the permit, schedules inspections and pays any reinspection cost caused by its work. Licensed trade contractors remain responsible for their regulated work.

Issue one controlled field set

At approval, compile the issued plans, permit conditions, active permit records, deferred documents, inspection sequence and open provider actions. Mark older drawings superseded.

Compare the issued file with the construction agreement. Reconcile changes before mobilization and record the dated set on which the price is based.

Keep closeout in the original scope

Austin describes the Certificate of Occupancy as following a passed final building inspection and closure of the permit. Define who corrects punch items, obtains final approvals and delivers the owner record.

The closeout package may include approved revisions, inspection records, equipment information, warranties from the actual providers, manuals and final cost/change ledger.

Track the permit budget as a live account

Separate City charges, design revisions, professional services, provider reviews and reinspection exposure. A low application fee does not represent the full approval cost.

Update the complete Austin cost guide whenever a review comment changes structure, utilities, site work or consultant scope. The current plan set, responsibility matrix and owner forecast should carry the same revision date.

Create a review-response log

For each comment, record the source, responsible person, affected sheets, cost consequence and resubmission date. Close the comment only when the revised package is accepted or the reviewer confirms the resolution.

This avoids losing a utility or planning condition inside an architectural response and gives the construction team a usable history.

Frequently asked questions

Can a permit expediter approve an Austin ADU?

No. A coordinator may manage documents and communication. The City makes approval decisions, and professionals remain responsible for their work.

Does HOME Phase 1 use a different application for every unit?

Austin’s current residential guidance says one residential building permit application includes all units. Confirm the current forms and project pathway at submission.

Can builders price during review?

Yes, if every bidder receives the same dated set and the owner expects a reconciliation after comments.

Who owns the permit drawings?

The design agreement should say what the owner may use and under what conditions. Do not assume payment automatically provides unrestricted rights.

Ask the Austin design team for a responsibility matrix from address request through active permits, inspections and certificate of occupancy.

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