# Repiping During a Renovation in Columbus

> Repiping during a Columbus remodel: new supply lines while walls are open, scope before demolition, stub-outs for later phases, permits and inspections.

URL: https://slaterepipingcolumbus.com/repiping-during-renovation/

New water supply piping run while a remodel has the walls open, with the scope set before demolition and the plumbing inspection timed ahead of insulation and drywall.

Last Updated: October 29, 2026

New water supply piping run while a remodel has the walls open, with the scope set before demolition and the plumbing inspection timed ahead of insulation and drywall.

Last Updated: October 29, 2026

**$275** City of Columbus plumbing permit for a 1, 2 or 3 family home, two inspections included

**$225** Each additional City inspection trip, the cost of an inspection missed before walls close

**$200 to $1,750** City of Columbus charges for working without a permit, in three levels

The cheapest moment to replace water pipe is when somebody else has already opened the walls. [Slate Repiping Columbus](https://slaterepipingcolumbus.com/) offers repiping during renovations in Columbus and the nearby Franklin County suburbs, running new supply lines while a remodel has rooms down to the studs. The work is carried out by licensed and insured plumbing contractors under its own plumbing permit, timed to fit the remodel’s schedule.

Most of the cost of a repipe in a finished house is getting to the pipe and closing up after. In a remodel, the kitchen or bathroom walls are already open, and the remodel’s crew is already going to hang and finish drywall. A repipe planned into that window loses much of its access and patching cost. The question is how far beyond the remodel rooms to go, and that has to be decided before demolition, not after the drywall is delivered. A [whole-house repipe](https://slaterepipingcolumbus.com/whole-house-repiping/) and a [partial repipe](https://slaterepipingcolumbus.com/partial-repiping/) are both possible; the remodel changes which one makes sense.

## Why open walls change the decision

In a finished house, each vertical run means an opening, and each opening means patching, paint and dust. That is why the [guide to how invasive repiping is](https://slaterepipingcolumbus.com/guide/how-invasive-is-repiping/) spends so much time on routes. During a remodel, the walls of the rooms being redone cost nothing extra to reach, and they often sit on the natural path from the basement to the rest of the house. A kitchen wall can carry a new riser to the bath above; a gutted bathroom floor can expose the branch to the next room.

That makes a remodel a good time to replace more than the remodel rooms need. If the house still has galvanized steel or copper that has started to pinhole, running new mains through the open rooms now can leave only short connections for later. The [repipe cost guide](https://slaterepipingcolumbus.com/guide/repiping-cost/) shows how much of a typical price goes to access and patching, which is the part a remodel absorbs.

## What to decide before demolition

The first visit for a remodel repipe looks at the remodel plan as much as the pipe. It marks which walls will be opened, which will be removed and which will stay finished, then traces the existing supply from the main shutoff to see what passes through the remodel area. It notes the material of every line that will remain outside the remodel, because the new pipe will connect to it.

Three decisions come out of that visit. First, the scope: remodel rooms only, the remodel plus the mains that pass through, or the whole house. Second, the material and layout, since a remodel is a good moment to add a manifold if one is wanted, as the [manifold vs trunk-and-branch guide](https://slaterepipingcolumbus.com/guide/manifold-vs-trunk-and-branch/) explains. Third, where the boundary with old pipe will sit, so the transition goes somewhere it can be reached later rather than inside a new tiled wall.

## Stubbing out for the next phase

Many Columbus owners remodel in phases: the kitchen first, the upstairs bath when the budget allows. A repipe can plan for that. New lines for a future bath or laundry can be run through the open walls now and capped, then tested with the rest of the system. When the next phase opens, the connections are already in place and the walls of the finished rooms stay closed.

The opposite case comes up too: an owner of an older house who needs a repipe now but is not ready for the kitchen remodel. New lines can be stubbed up to where the future sink will sit, so the remodel only has to extend them a short distance. Either way, the scope should list each capped stub and what it is for.

## Sequencing with the other trades

A remodel runs in order: demolition, framing changes, rough-in for plumbing, electrical and heating, inspections, insulation, then drywall and finishes. The repipe belongs in the rough-in stage, and it is often the first trade in, because supply pipe and drains need the straightest paths through the framing. Where the remodel also replaces drains, that is separate work with its own design, as the [guide to whether repiping includes drain pipes](https://slaterepipingcolumbus.com/guide/does-repiping-include-drain-pipes/) explains.

Pipe running near the face of a stud gets a steel nail plate so the drywall crew’s screws do not find it. Lines near exterior walls are insulated or moved inward, since an exterior wall opened in a remodel is also the chance to move a line that froze in a past winter. Shutoffs are placed where they will be reachable through an access panel or a cabinet once the room is finished.

## Permits and inspection timing

The plumbing permit is separate from the remodel’s building permit. Inside the City of Columbus, Building and Zoning Services issues it at $275 for a 1, 2 or 3 family home with two inspections, and it is pulled by a plumbing contractor licensed by the State of Ohio and registered with the City, or by an owner doing the work on a single-family home they live in. In suburbs that contract with Franklin County Public Health, the County reviews the plan first, and since February 2026 the fixture count on the plan review has to match the permit application. A remodel that adds or moves fixtures needs that count right from the start.

The rough-in inspection has to happen while the pipe is visible. If insulation or drywall goes up first, the inspector may need it opened again, and each extra City inspection trip is $225. Work done without a permit carries City charges of $200, $750 or $1,750 depending on the level. The [Columbus repiping permit guide](https://slaterepipingcolumbus.com/guide/repiping-permit-columbus/) covers which office handles each address.

## What the remodel does not reach

A remodel repipe leaves old pipe wherever the scope stops. The scope lists that pipe, its material and where the transitions are, so a later owner or inspector knows the house is partly repiped, not fully. Before the walls close, the new piping is pressure tested and flushed, and capped stubs are tested along with the rest. In an older house, the [old house repiping](https://slaterepipingcolumbus.com/old-house-repiping/) page covers what else is worth replacing while the walls are open, such as seized valves and old hose bibbs.

## What's included

- A decision before demolition: remodel rooms only, a floor or the whole house
- New mains routed through the open rooms to reach other parts of the house
- New hot and cold supply to every fixture in the remodel, in PEX or copper
- Capped stub-outs for future fixtures in the next phase, tested with the rest
- Shutoffs and transitions at the boundary with pipe outside the remodel
- Coordination of the rough-in inspection with the remodel schedule
- Nail plates, supports and insulation before walls close
- Pressure test, flush and labeled shutoffs

## Repiping during a remodel compared with repiping a finished house

|  | During a remodel | Finished house |
| --- | --- | --- |
| Wall access | Studs already exposed in the remodel rooms | Openings cut, then patched |
| Patching | Part of the remodel's drywall and finish work | A separate cost in the repipe scope |
| Routing | Lines can take the shortest path through open walls | Lines follow whatever route avoids finished surfaces |
| Scheduling | Fits between demolition and insulation | Fits around the people living in the house |
| Risk | Plumbing inspection must happen before walls close | Fewer trades in the way |

## Related resources

- Learn [Do you need a permit to repipe a house in Columbus?](https://slaterepipingcolumbus.com/guide/repiping-permit-columbus/)Which office issues the permit for your address, who is allowed to pull it, what it costs, what changed with county plan review in February 2026, and what happens when a repipe is done without one.
- Learn [How invasive is repiping a house?](https://slaterepipingcolumbus.com/guide/how-invasive-is-repiping/)Where the openings go and why, how plaster and drywall differ, how dust is kept in one room, what to clear out beforehand, and the scope question that decides who closes every hole.
- Cost Guide [How much does it cost to repipe a house in Columbus?](https://slaterepipingcolumbus.com/guide/repiping-cost/)Typical Columbus-area ranges for a whole-house repipe in PEX or copper, what sits inside the price, the permit fees by office, and why two quotes for the same house can differ.
- Decision Guide [Should a PEX repipe use a manifold or trunk-and-branch layout?](https://slaterepipingcolumbus.com/guide/manifold-vs-trunk-and-branch/)How a home-run manifold and a trunk-and-branch layout each carry water to the fixtures, how they differ on flow, hot water wait, shutoffs and openings, and the house details that tip the choice.
- Learn [Does repiping include drain pipes?](https://slaterepipingcolumbus.com/guide/does-repiping-include-drain-pipes/)A house has three separate piping systems. A repipe replaces one of them. Here is how to tell them apart, read where a quote stops, and decide whether an old cast iron stack should come out while the walls are open.

## How a repipe runs

1. First call Describe the houseIts age, the pipe you can see in the basement, the leaks so far and which floors lose pressure.
2. Walk through Map and scopeMains, branches, shutoffs and fixtures traced from the meter; material, openings and permit agreed in writing.
3. Pipe day Replace and reconnectWater shut off in stages, new lines run, fixtures and the water heater reconnected.
4. Sign off Test, inspect, patchPressure test and flush, permit inspections, then the openings are closed.

## What this work looks like

Open bathroom wall with new red and blue PEX lines ending in capped stub-outs at shower and sink heights, in a Columbus house

Two new chrome shutoff valves with braided supply lines under a bathroom sink, cabinet doors open, in an older Columbus home

Pressure test gauge on a capped stub-out in an open stud wall, with new red and blue PEX lines in the bay, in an older Columbus home

Black plastic bend support turning a red PEX tube up through a subfloor and into a stud wall, in an older Columbus home

## Repiping during renovation questions

### Should I repipe the whole house while the kitchen is being remodeled?

It is worth pricing both ways. The open kitchen walls let new mains pass through to other rooms without new openings, and the remodel's drywall crew closes them anyway. If the rest of the house is on galvanized or failing copper, adding it now often costs less than coming back later, when every wall is finished again.

### Can new supply lines be stubbed out for a future bathroom?

Yes. Capped hot and cold stub-outs can be run to where a future bath or laundry will go, tested with the rest of the system and left closed until that phase. The fixture count on the permit should match what is actually being connected, so the later phase may need its own permit when the fixtures go in.

### Does the remodel's building permit cover the repipe?

No. Plumbing takes its own permit. Inside Columbus, Building and Zoning Services issues a plumbing permit for a 1, 2 or 3 family home at $275 with two inspections, pulled by a State-licensed, City-registered plumbing contractor or by an owner doing the work on a single-family home they live in.

### What happens if drywall goes up before the plumbing inspection?

The inspector may need the new pipe exposed, which means opening the new walls. Inside Columbus, an extra inspection trip costs $225, and working without a permit carries charges of $200, $750 or $1,750 by level. Booking the rough-in inspection before insulation is the simplest way to avoid both.

## Related services

### Whole-house repiping

Every hot and cold supply line from the main shutoff to the fixtures, replaced in PEX or copper, pressure tested and inspected under a City or suburban plumbing permit.

### Partial repiping

One section of the water supply replaced, such as the hot side, a bath group, a floor or the basement main, with the boundary and the old pipe that stays written into the scope.

### Old house repiping

Repiping planned for prewar houses: routes through basements, closets and chases, openings in plaster kept few and listed, and the old valves and fittings brought up to date.