There is no dependable city-wide price because access, pipe condition, excavation, permit and restoration vary. Request an itemized on-site quote and compare the same scope. Ottawa’s rebate is separate from the contractor’s price and is capped by eligible work cost and program limits.
The City’s protective-plumbing guidance describes permits and inspections for relevant work. Confirm the current requirement for your property and project type with the City before construction; do not rely on a general online answer for a specific retrofit.
The current City program page includes residential-property, installation-source and construction-date conditions: pre-2004 for storm-valve rebates and pre-2012 for sanitary-valve rebates. Check current documents and confirm your case with the City before work.
The City page includes an update changing the timeframe to 18 months from July 1, 2026, but other instructions still mention 12 months. Ask the program office to confirm the deadline in writing and follow the latest application instructions.
No. It is intended to reduce reverse flow through protected sanitary plumbing. It does not stop foundation leaks, groundwater, surface runoff, window-well entry or sump-pump failure.
This work involves building-drain alterations, code requirements, permits and inspection. Ask the City about permit rules and use a qualified professional to assess the system, select the device and complete the work.