A bathroom in a late-1980s or 1990s Overland Park house is usually still the builder's original layout with one cosmetic refresh over it. The assemblies are predictable in a way older stock is not: a fiberglass or acrylic one-piece unit set before the walls closed, a vinyl floor over particleboard underlayment, and a vanity top of cultured marble. The question that actually moves an Overland Park bathroom is not whether the plumbing survives demolition, because copper of this era generally does. It is whether that one-piece unit can physically leave the room without cutting framing or drywall well past the bathroom door, and what the particleboard under the vinyl has been doing around the toilet flange for thirty years. Both are answered on demolition day, so we scope them as identified lines rather than burying them.
What the work covers
- Demolition to the studs and subfloor wherever the existing waterproofing is suspect
- Supply and drain rework, including moving the toilet flange or shower drain if the layout changes
- Shower pan and wall waterproofing as one bonded system, not a patchwork of products
- Backing and blocking for grab bars, benches, glass and wall-hung fixtures
- Exhaust ventilation ducted to the exterior, never into an attic or soffit
What we find in Overland Park homes
- One-piece fiberglass or acrylic tub-shower units set before the drywall, which cannot leave the room intact without cutting.
- Particleboard underlayment beneath sheet vinyl, which fails around the flange long before the tile-set floors of older stock do.
- Cultured marble vanity tops with integral bowls, so the top and the bowl are a single replacement rather than two.
- Copper supply and PVC or ABS drains typical of this building era, usually sound, which keeps the plumbing scope narrow.
Working in Overland Park, KS
Overland Park is the largest city in Johnson County and the housing stock is what shapes almost every bid here. There are roughly 87,300 units with a median year built of 1989, the 1990s and 1980s are the two biggest cohorts at about eighteen thousand and sixteen thousand units, and another twenty thousand went up across the 1960s and 1970s. Only about 2.8 percent predates 1950. The practical consequence is that Overland Park work is postwar suburban retrofit rather than prewar restoration, and the surprises come from builder-grade assemblies reaching the end of a service life, not from balloon framing or knob-and-tube.
Permits come from the Planning and Development Services Department, Building Codes Division, filed electronically through ePLACE against the city's published drawing standards. Overland Park sits on a newer code cycle than most of its neighbors: OPMC 16.310.100 adopts the 2024 International Residential Code for remodels, additions and alterations, with the 2018 IRC kept alive in parallel at Chapter 16.110 as an alternative for certain small new houses, alongside the 2023 National Electrical Code. Licensing is county-level here rather than city-level, and MrImproveIt carries the Johnson County Class C residential license the city checks before a permit issues. Overland Park does not add its own occupational business license. Neighborhoods we get called into include Moody Hills, Southdale, Westbrooke South, Arrowhead Acres, Indian Heights Estates and Quail Ridge.
How this job goes wrong
- Waterproofing treated as a product instead of a system, so the pan, curb and wall planes are never actually tied together
- An exhaust fan venting into the attic, which relocates the moisture problem rather than solving it
- Tile set on a floor that was never flattened, which telegraphs lippage across large-format tile
Planning range
$14,000 to $45,000. A tub-in-place refresh sits near the bottom. A gut to the studs with moved plumbing, custom glass and large-format tile sits at the top or past it. Plan on two to five weeks of active work once materials are on site.
What moves the price on a bathroom remodel in Overland Park
Three things move an Overland Park bathroom, roughly in this order. First is removal of the one-piece unit, because cutting it apart in place and repairing the surrounding drywall and trim is a different line than carrying a demolished alcove out. Second is the particleboard underlayment: in this housing era it is the most common hidden repair, so it is written as an identified allowance rather than absorbed into a lump sum. Third is tile labor, which is a pattern decision more than a material one. The plumbing itself is usually not the variable here, which is genuinely different from older markets. One Overland Park note: if the work touches an exterior door, the city's own R333 security provisions apply to the alteration and set the door, strike plate and deadbolt specification.
Permits and inspections for this work in Overland Park
Overland Park takes the application, the plans, the fees and the inspection scheduling through ePLACE, and the drawings have to meet the city's published electronic submittal standards rather than arriving as phone photographs. A bathroom that stays inside its existing footprint and keeps its drain is a straightforward submittal; one that moves plumbing or adds circuits is reviewed against the 2024 IRC and the 2023 NEC. The city publishes an explicit residential permit-exception list, and it is worth knowing what is not on it: re-roofing, siding repair and in-kind window replacement are generally exempt, but interior plumbing and electrical alterations are not. We confirm current requirements with the Building Codes Division on every job rather than working from the last one.
Common questions about this work
Does a bathroom remodel in Overland Park need a permit?
Usually yes, as soon as plumbing, electrical or framing changes. Permit requirements are confirmed with the local building department before work starts.
Can the bathroom stay usable during the work?
Not that bathroom. If it is the only full bath in the house, that changes the schedule, and it is worth saying so before the estimate is written.
How long is the bathroom out of service?
Plan on two to five weeks of active work once materials are on site. Tile and glass are the long poles, because glass is measured only after tile is set.
Bathroom Remodeling questions from Overland Park homeowners
Why is Overland Park reviewing my bathroom against a different code than my neighbor's city?
Because Overland Park adopted the 2024 International Residential Code at OPMC 16.310.100 and pairs it with the 2023 National Electrical Code, which puts it a cycle ahead of most of Johnson County. Several adjacent cities are still on the 2018 IRC and the 2017 NEC. It is the same work, reviewed against newer text, and it mostly shows up in the electrical and the shower details.
Do I need a permit to replace a bathroom window while we are in there?
Overland Park publishes a residential permit-exception list and in-kind window replacement is generally on it. Changing the opening size, or the plumbing and electrical work inside the bathroom, is not exempt. We confirm the scope with the Building Codes Division rather than assuming, because the exception list is specific about what it covers.
Can you get the old tub-shower unit out without tearing up the hallway?
Usually yes, but it is cut apart in the room rather than carried out whole. These units were set before the drywall went up, so the doorway they came through no longer exists. We price the removal and the adjacent drywall and trim repair as a named line so there is no argument about it later.
Call (913) 395-8571 or request a written estimate before any work starts.