ADU Construction in La Verne
ADU plans and construction in La Verne, laid out around a compact bathroom and wet wall, then drawn, filed with the city and built to the approved set.
The bathroom is the room we lay out first in a La Verne ADU, since it fixes where the water lines, drains and vent stack go. Lining up the toilet, shower and sink along one wet wall keeps the plumbing compact, and that wall can back onto the kitchen so both share a drain run. A fan ducted outdoors clears steam fast. The rest of the unit is drawn around it, reviewed by the city and built as approved.
A small bathroom that works
A curbless shower with a linear drain gives a small room more open floor and stays easy to step into as the owner ages. Behind the tile, a bonded waterproof membrane wraps the shower walls and floor and laps onto the drain flange. The door can swing out or slide into a pocket so it clears the toilet. A wall-hung vanity leaves the floor visible beneath it, which makes the room read larger, and a mirrored cabinet holds what a drawer would. The fan runs on a humidity sensor, so steam leaves even when nobody reaches for the switch. We show you the membrane before any tile goes over it.
Outside walls, inland weather and plan check
Inland lots in general see hard sun, dry wind and a sudden downpour. We draw a pale roof covering over insulated rafter bays and fiber cement lap siding on furring strips, so water that gets behind it drips out at the base. Each window opening gets a sloped pan first. The bathroom window has obscure glass set high for privacy, and the plumbing vent exits the roof through a flashed boot. La Verne's building department checks setbacks, height and how the new drain and water lines join the house. We carry the set through filing, corrections and every inspection. The written quote prices the drawings as one figure and shows what La Verne charges for the permit as another.
ADU Construction in La Verne: questions
Draw the setback lines on your La Verne survey, add the gap code wants beside the house, and the ground inside is your working area. A broad area can hold a freestanding cottage, turned so its bathroom wall points toward the sewer connection. On a narrow strip, a reworked garage or a unit built onto the rear wall of the home keeps the drain run short.
For La Verne, the floor plan is where the bathroom shows up in detail: fixture spacing, the door swing, the fan and the clear floor in front of the toilet. The site plan then traces the drain from that wet wall out to the house line. Our set suits a ground-level layout no bigger than 500 square feet. We send it in and handle every correction.
Often. The slab must be sound and dry, with framing and headroom that check out. In a La Verne garage conversion the bathroom is the main plumbing job, because new drains have to run beneath the existing floor, so we open a strip of concrete down to the line and patch it afterward. We locate the cleanout, gauge the line's depth and test the slab before quoting.
More we do in La Verne
Talk to us about your La Verne project
Ask for a written quote or a call back. If photos would help, we ask for them when we reply.

