Plumbing in Richardson
Total hardness as CaCO3 runs 96.0 to 200 ppm in Richardson's 2026 Water Quality Report for data year 2025, with the highest value, 200, from naturally occurring calcium; the prior report printed 105 to 202 ppm for 2024. Richardson buys treated wholesale water from the North Texas Municipal Water District, drawn from Lake Lavon, Lake Chapman, Lake Texoma and Lake Tawakoni. The city is identifying water service line materials, starting with homes built before 1966, and adds the results each week to its Water Service Line Viewer map, its service line page says.
Regular test results confirm there are no lead concerns in the supply, the same page says. EPA's system for Richardson, matched by operator address, is City Of Richardson (PWSID TX0570015), with 122,615 people on purchased surface water. Richardson's housing has 1986 as its median year built, in ACS data for 2020 to 2024. Richardson's Building Inspection office is in the temporary City Hall Annex at 2360 Campbell Creek Blvd., Suite 550, Richardson, TX 75082, open weekdays, 8 to 5, on 972-744-4180 or AskRichardsonBuildingInspection@cor.gov.
That office's pages don't list a plumbing fee or code edition, so ask it directly. Questions about your own line go to the service line contact at 972-744-4220.
What plumbing costs near Richardson
No plumber has sent us a quote from Richardson, so this page carries no city price. The Texas page lists the estimates next to what plumbers are paid ($29.22 an hour in the BLS wage data, which is pay, not price), and the permit fee is set by your city. How we estimate costs.
Permits for plumbing work in Richardson
Work that replaces or alters piping, a water heater swap or a sewer repair for example, generally needs a permit.
Plumbing jobs in Richardson
Sources for Richardson
- 2026 Water Quality Report, City of Richardson Read Oct 23, 2026.
- Water Service Line Material Identification, City of Richardson Read Oct 23, 2026.
- EPA SDWIS water system inventory (Envirofacts WATER_SYSTEM, GEOGRAPHIC_AREA) Check this with the source itself before you rely on it.
- Building Inspection, City of Richardson Read Oct 23, 2026.
- ACS 5-year B25035 Median Year Structure Built Check this with the source itself before you rely on it.