How will the dwelling function day to day?
Describe the intended occupants and their routines. A dwelling for a relative may need different storage, visitor access, and privacy arrangements from one intended for another use. State the use without assuming rental permission, income, or a specific legal classification.
List the activities the layout needs to support: sleeping, cooking, bathing, laundry, and any particular work or mobility needs. Identify what the occupants would share with the main property and what should remain independent.
Ask how those choices affect daily movement. If someone needs frequent help from the main household, discuss the path between dwellings and the entry arrangement. If privacy is a priority, identify the windows, outdoor areas, and doors that could place occupants in view of one another.
Which utility questions come before layout commitments?
Start with existing service records and provider details. Ask qualified professionals what they need to assess water, wastewater, electrical service, and heating or cooling arrangements for the proposed dwelling.
Record whether you know the service capacity and connection route. Label unverified items as questions. A short distance to a utility line does not establish an approved or suitable connection.
Do not select a final equipment location from appearance alone. The responsible trade provider and designer should coordinate the system, access, installation requirements, and relationship to other spaces. TDLR’s electrical guidance requires proper licensing and work through a licensed electrical contractor for non-exempt electrical work; it does not establish the credentials of your chosen provider.
How do appliances and fixtures affect the brief?
Identify the facilities you want before deciding where each room goes. Kitchen and laundry choices can influence utility review. Larger or different appliances may also change the product information the designer and trades need.
Use a selection list with three statuses: required feature, preferred product, and approved product. You can need laundry capability without having chosen the model. Keeping those stages separate helps reviewers investigate a workable arrangement without treating a provisional choice as fixed.
Share manufacturer documents once you select a product. Ask who verifies dimensions and connection requirements and who receives revisions. Do not assume a drawing includes a product’s requirements because it shows a generic symbol.
Which access and privacy decisions affect the plan?
Mark the daily entrance route and the relationship to the main dwelling. Include outdoor storage, waste collection, and any shared areas. Discuss how occupants and maintenance providers would reach the proposed systems.
Consider views and sound expectations as design goals rather than promises about a particular construction assembly. Tell the designer which rooms need privacy and where the main household spends time outdoors.
Return to the lot screen if a new use or utility finding changes placement. The City of Houston’s Livable Places guidance describes second-dwelling pathways subject to restrictions; it does not approve your proposed use or layout. Other jurisdictions may have different requirements.
Who should verify the system and design assumptions?
Identify the designer, relevant engineers, regulated-trade providers, utility contacts, and authority roles. Ask what each participant will review and what output the next person needs.
For a Houston property, the Permitting Center’s guidance describes application, plan-submittal, and separate trade-permit pathways. Confirm the process for the actual proposal. A utility-planning conversation or a contractor’s preliminary scope is not code approval.
Record decisions in the current plan version. If a connection route changes, ask the team to review affected room locations, access, and site work together. Avoid issuing a revised room layout while circulating an older utility concept without explanation.
What belongs on your use-and-utilities checklist?
Prepare a brief containing:
Intended dwelling use and the occupants' daily activities.
Required facilities and the features still open to discussion.
Entrance, privacy, outdoor-use, and mobility priorities.
Existing service records and provider contacts.
Capacity and connection-route questions for qualified providers.
Appliance or fixture documents where products have been selected.
Responsibility assignments for design coordination and authority questions.
Decisions that must remain provisional until review.
Choose the next unresolved dependency to investigate. If you do not know whether the service arrangement suits the proposed facilities, commissioning a more detailed finish plan will not answer that question.
Planning this work? Explore ADU Construction Planning in Houston or tell us about your project.
ADU utility-planning FAQs
That requires provider, trade, design, and authority review. Existing service does not establish capacity or an acceptable connection arrangement.
A label cannot determine classification. Describe the actual use and facilities to the applicable authority and design professionals.
A label cannot determine classification. Describe the actual use and facilities to the applicable authority and design professionals.
