These are the physical junctions that connect to vital systems. Losing track of them before you cover it leads to destructive, expensive searches later.
Verify your main sewer line access point before pouring concrete or planting.
Confirm tank, distribution box, and pump locations before building structures. For detailed septic location guidance, see this step-by-step resource.
Ensure catch basins and cleanouts remain serviceable under new topsoil.
Keep your sprinkler control valves reachable before adding thick mulch.
Identify private electrical or water shutoffs before heavy hardscaping.