- HEP Plumbing
- Restroom Build-out

Restroom Build-out
Restroom Build-out | Commercial Plumbing | Plumbing | Townsend
When Townsend businesses decide to expand or modernize their restrooms, they turn to HEP for precision, speed, and code-compliant expertise. Our licensed crews handle every step of your restroom build-out—from rough-in lines and vent stacks to ADA-approved fixtures—so you can focus on running your operation. We coordinate seamlessly with general contractors and inspectors, ensuring water lines, waste pipes, and backflow prevention are installed right the first time and ready for the rush of grand-opening day.
Because a busy workplace can’t afford downtime, we schedule work around your hours, deploy extra technicians when timelines tighten, and keep job sites spotless to minimize disruption. Whether you’re adding employee washrooms to an industrial facility or renovating guest restrooms in a Main Street café, HEP delivers the dependable commercial plumbing craftsmanship Townsend counts on, backed by transparent pricing and a No-Leak Guarantee that stands long after the final tile is set.
FAQs
What does a commercial restroom build-out plumbing project involve?
A restroom build-out means taking a shell space – or an existing restroom that needs to be reconfigured – and installing all water, waste, and vent lines necessary for toilets, urinals, lavatories, service sinks, and any specialty fixtures your business requires. In Townsend, this typically includes core drilling or trenching through the slab, routing water supply lines from the nearest main, tying new drains into the municipal sewer, installing vent stacks through the roof, setting carriers for wall-hung fixtures, pressure-testing the system, and finishing with trim-out (fixtures, flush valves, faucets, accessories). We also coordinate with electricians, HVAC contractors, and finish trades so all work meets Broadwater County building and health codes.
How long does it usually take to complete a restroom build-out in Townsend?
For a single-restroom build-out in an open shell space, the plumbing portion often takes 5–10 working days, broken into two visits: 1) underground/rough-in and 2) top-out/fixture set. Larger multi-stall restrooms in restaurants, offices, or retail spaces can take 2–4 weeks depending on slab thickness, existing utility locations, the number of fixtures, and inspection schedules. Remember that total project duration is longer because framing, electrical, drywall, tile, and final inspections must also be scheduled. We provide a detailed timeline at the start and coordinate with the Townsend Building Department to minimize inspection wait times.
Do I need permits and inspections for a commercial restroom build-out in Townsend?
Yes. Broadwater County and the City of Townsend classify restroom build-outs as commercial plumbing work, which requires a plumbing permit, a building permit if walls are being moved or added, and sometimes a mechanical permit for new exhaust fans. After the permit is issued, the plumbing inspector will make at least two site visits—one at the rough-in stage to verify pipe sizing, slope, and venting, and one after fixtures are set to ensure correct installation and water-tight connections. We prepare the permit application, supply engineered drawings if needed, schedule the inspections, and remain on site to address any questions.
What factors influence the cost of a commercial restroom build-out?
Key cost drivers include: 1) Number and type of fixtures—wall-hung toilets with carriers cost more than floor-mounted models; 2) Distance to existing water and sewer mains—longer runs mean more trenching and material; 3) Concrete thickness and reinforcement—heavily-reinforced slabs require more labor to core and patch; 4) Specialty ADA or touch-free fixtures; 5) After-hours or phased work to keep your business open; and 6) Required upgrades to the water service or grease interceptor if food service is added. We provide a detailed, line-item estimate so you can see exactly where each dollar goes and how scope changes affect pricing.
How do you ensure the new restroom complies with ADA and local code requirements?
We start by reviewing the 2010 ADA Standards and the latest International Plumbing Code (adopted by Montana) together with any amendments from Broadwater County. Clear floor spaces, grab bar placement, fixture heights, and turning radii are all laid out in the design stage. During rough-in, we laser-level carrier brackets and stub-outs to precise elevations. Before fixtures are set, dimensions are re-verified so that final tile or flooring thickness doesn’t create compliance issues. At final inspection, the building official confirms everything meets code and accessibility standards, giving you peace of mind and protection from potential liability.
Can you incorporate water-saving or sustainable plumbing features in my build-out?
Absolutely. Low-flow 0.125-gpf urinals, 1.28-gpf toilets, sensor-activated faucets, and point-of-use water heaters can cut water consumption by 20 –40 %. We can also install WaterSense-certified fixtures and recommend greywater systems if your building and local ordinances allow them. For businesses pursuing LEED or Green Globes certification, we provide documentation of fixture flow rates, recycled content of piping, and flushing-test data to help earn points. These features not only lower your utility bills but also demonstrate environmental stewardship to your customers and employees.