# Commercial Plumber in Richmond Heights, MO > Richmond Heights contracts with St. Louis County, so commercial plumbing permits run through the county. Request a bid from Legacy Plumbing. Canonical: https://legacyplumbingmo.com/service-area/richmond-heights-mo Last updated: 2026-10-30 St. Louis County, MO Richmond Heights contracts with St. Louis County, so commercial plumbing permits run through the county. Legacy Plumbing serves Richmond Heights with commercial plumbing and select residential service. Our Richmond Heights dental surgical center scope included clinical and staff sinks, accessible fixtures, a duplex grinder lift station, sump pump and tankless water heating. [Request a Bid in Richmond Heights](https://legacyplumbingmo.com/contact-us) [636-978-0120](tel:+16369780120) ## Free Estimate — Richmond Heights Same-business-day response from our O'Fallon office. ## Who permits plumbing work in Richmond Heights Public facts from government and utility sources, not Legacy Plumbing project claims. - Richmond Heights contracts with St. Louis County for the mechanical, electrical and plumbing codes (the city runs its own building code), so commercial plumbing permits and inspections run through St. Louis County Transportation & Public Works. [St. Louis County Transportation & Public Works](https://stlouiscountymo.gov/st-louis-county-departments/transportation-and-public-works/publications-and-manuals/matrix-information/municipality-contracts/) - MSD's completed Deer Creek Sanitary Tunnel (3.9 miles, about 19-ft diameter) serves Richmond Heights, and the McCutcheon and Thorndell relief project replaces another 1,275 ft of undersized sewer. [MSD Project Clear](https://msdprojectclear.org/system-improvements/new-construction/mccutcheon-and-thorndell-sanitary-relief-12346/) Public sources checked 2026-10-30 ## Commercial plumbing services in Richmond Heights ### Service & repair Scheduled drain, lateral and water heater repairs in Richmond Heights, where MSD has worked on undersized sewers. Explore service & repair ### Tenant build-outs Office, retail and medical suites in Richmond Heights, with permits through the county. Explore tenant build-outs ### Backflow install & testing Annual testing and assembly replacement for Richmond Heights buildings. Explore backflow install & testing ## Scheduling commercial plumbing in Richmond Heights Richmond Heights sits in St. Louis County, MO, roughly 24 straight-line miles from our O'Fallon shop; the closest towns we also serve are Maplewood (about 1 mi), Dogtown (about 1 mi) and Clayton (about 2 mi). Legacy Plumbing has worked as a UA Local 562 signatory [commercial plumbing contractor in St. Louis](https://legacyplumbingmo.com/) since 1996, and the [St. Louis plumbing hub](https://legacyplumbingmo.com/locations/st-louis) covers the wider area. ## Licensed to pull plumbing permits in Richmond Heights For Richmond Heights work, our master plumbers pull the plumbing permit through the jurisdiction covering Richmond Heights in St. Louis County ourselves. Legacy Plumbing is licensed to pull plumbing permits in every St. Louis–area jurisdiction we serve: St. Louis City, St. Louis County and its municipalities, St. Charles County and Jefferson County. ## Legacy Plumbing projects in and near Richmond Heights We have 1 documented project in Richmond Heights itself and 6 more elsewhere in St. Louis County, covering dental surgical center, dental office in an occupied building, restaurant build-out and plant cafeteria and restroom renovation. Distances are straight-line between town centers. - [In Richmond Heights ### Dental surgical center (2024) Richmond Heights Surgical center interior with 19 clinical and staff sinks, seven accessible restrooms, a duplex grinder lift station and a tankless water heater with an RPZ. View project scope](https://legacyplumbingmo.com/projects/dental-surgery-center-plumbing-richmond-heights-mo) - [Near Richmond Heights — Webster Groves, ~3 mi ### Dental office in an occupied building (2026) Webster Groves Dental vacuum and compressed air, sink connections and tie-ins to existing systems, completed with after-hours shutdowns in a multi-tenant building. View project scope](https://legacyplumbingmo.com/projects/dental-office-plumbing-webster-groves-mo) - [Near Richmond Heights — Crestwood, ~6 mi ### Restaurant build-out (2025) Crestwood Interior restaurant plumbing with 18 floor sinks, a solids interceptor and an indoor grease interceptor, gas and electric water heaters, backflow protection and restroom fixtures. View project scope](https://legacyplumbingmo.com/projects/restaurant-plumbing-crestwood-mo) - [Near Richmond Heights — St. Louis, ~7 mi ### Plant cafeteria and restroom renovation (2025) St. Louis Cafeteria and restroom renovation inside an operating plant, tying new fixtures, showers and floor drains into existing waste, water and vent. View project scope](https://legacyplumbingmo.com/projects/pharmaceutical-plant-cafeteria-renovation-st-louis) ## Documented project work in Richmond Heights & nearby - [Dental surgical center plumbing — Richmond Heights](https://legacyplumbingmo.com/projects/dental-surgery-center-plumbing-richmond-heights-mo) FAQ ## Richmond Heights Plumbing Questions - **What plumbing did the Richmond Heights dental surgical center include?:** The interior package included 19 clinical and staff sinks, seven accessible water closets and seven lavatories, a duplex grinder lift station, sump pump, tankless water heater and RPZ. - **Who issues commercial plumbing permits in Richmond Heights?:** Richmond Heights contracts with St. Louis County for the mechanical, electrical and plumbing codes (the city runs its own building code), so commercial plumbing permits and inspections run through St. Louis County Transportation & Public Works. ## Nearby areas we serve - [Commercial plumbing in Brentwood](https://legacyplumbingmo.com/service-area/brentwood-mo) - [Commercial plumbing in Maplewood](https://legacyplumbingmo.com/service-area/maplewood-mo) - [Commercial plumbing in University City](https://legacyplumbingmo.com/service-area/university-city-mo) - [Commercial plumbing in Clayton](https://legacyplumbingmo.com/locations/clayton) ## Need a Plumber in Richmond Heights? Call 636-978-0120 or request your free estimate — we respond same business day across St. Louis County. [Get Free Estimate](https://legacyplumbingmo.com/contact-us) [636-978-0120](tel:+16369780120) ## Related - [Contact Legacy Plumbing](https://legacyplumbingmo.com/contact-us) - [Company facts](https://legacyplumbingmo.com/company-facts) - [All pages (llms.txt)](https://legacyplumbingmo.com/llms.txt)