Barndominium planning for Lenexa, KS.

Include wastewater approval in the starting package.

Lenexa’s new-residential checklist calls for a sewer or septic permit from the applicable Johnson County agency, along with the city’s building submission. Identify that path while evaluating the parcel. A nearby line or a seller’s description does not establish the connection your project can use. Ask what documentation is needed for this property, then give the designer the approved service information before fixing bathrooms, utility space and the building’s location.

Show the entire home-and-shop footprint on the plot.

The city lists sealed Kansas construction plans and a sealed legal plot showing proposed structures, contours, utilities, easements, retaining walls and other site features. It also asks for floor, garage, basement and deck areas. Keep those quantities separate in the project brief. A covered outdoor area, larger garage or future shop expansion should be discussed while the site layout is being drawn, rather than added after a compact floor plan has been priced. Confirm permitted uses and property restrictions for the chosen parcel.

Budget for grading verification at the end.

Lenexa’s linked perimeter-grading certification guidance requires a revised surveyed plot before sod and before a certificate of occupancy. This gives final site work a concrete place in the construction schedule. Ask who will order the survey, correct any grading discrepancies and submit the certification. The city also notes that acceptance does not remove the builder’s drainage responsibility. For a broad slab and shop apron, the useful question is how the finished ground and pavement will work together—not just how much concrete is included.

Define completion beyond the enclosed shell.

A Lenexa planning brief should connect the initial permit documents to the final condition of the property. Include:

• The parcel’s sewer or septic approval path and the documents already available.
• Separate living, garage/shop, basement and covered-area totals, with a coordinated plot and building footprint.
• Responsibility for utilities, final grading, the perimeter certification and the finished interior.