Tub to Shower Conversion Cost in Monmouth County, NJ (2026)

Quick answer

A tub to shower conversion in Monmouth County typically costs between $8,000 and $25,000 in 2026. A straightforward swap that keeps the same footprint and drain location runs $8,000 to $14,000. A tiled walk-in shower with a custom base, glass enclosure, and new waterproofing runs $14,000 to $22,000. A curbless conversion requiring floor structure modification runs $18,000 to $25,000 or more.

The spread comes down to three things: whether the drain moves, whether you use a prefabricated base or a tiled one, and how much of the wall behind the tub needs to be rebuilt once it comes out.

This page covers what the work actually involves, where the money goes, and the resale question most homeowners ask second and should probably ask first. It is part of our series on bathroom remodeling in Monmouth County. If you already know you want a shower and are weighing bases, glass, and tile, see our companion guide to walk-in shower options. For whole-room budgets, start with the bathroom remodel cost guide.

What Does a Tub to Shower Conversion Cost by Type?

Conversion type	Typical cost	Timeline
Prefab shower base and surround, same footprint	$8,000 to $14,000	1 to 2 weeks
Tiled shower with prefab base, glass panel	$12,000 to $18,000	2 to 3 weeks
Full tiled shower with custom tiled base	$14,000 to $22,000	2 to 3 weeks
Curbless shower with floor structure modification	$18,000 to $25,000+	3 to 4 weeks

These are planning ranges for a standard 30-by-60 inch alcove, which is the footprint in most Monmouth County hall bathrooms. Larger openings, wall relocations, or expansion into adjacent space push past these numbers.

Free Monmouth County bathroom remodeling guide

Our complete homeowner planning guide - budgets, timelines, layout and material choices, and permit considerations. No email required, just click and download.

Download the Free Guide

PDF - 0.2 MB - No opt-in required

What Is Actually Involved in Converting a Tub to a Shower?

The phrase "tub to shower conversion" makes it sound like a swap. It is closer to a small demolition and rebuild.

Step 1

Demolition

The tub comes out, and so does the surround. Cast iron tubs in older Monmouth County homes frequently have to be broken up in place to get them through the door, which adds labor and disposal.

Step 2

The drain

This is the part homeowners do not anticipate. A bathtub drain sits at one end of the tub. A shower drain sits at the center of the base. Those are different locations, which means opening the floor and rerouting the drain line, usually from below. If there is a finished ceiling under the bathroom, that ceiling gets opened and patched. Drain relocation is the single line item most responsible for the gap between a $9,000 conversion and a $16,000 one.

Step 3

The wall cavity

Once the surround is off, the studs and the area around the old valve are exposed. This is where pre-existing water damage tends to surface. A tub that has been leaking slowly at the drain or the valve for years leaves evidence in the framing and subfloor that nobody could see beforehand.

Step 4

Waterproofing

A tub with a tile surround is a fundamentally different waterproofing problem than a shower. The tub itself is the pan. Remove it and you now need a properly built and sealed shower pan, a continuous membrane system up the walls, and correctly sealed corners and penetrations. Tile and grout are the decorative layer over that system, not the system itself.

Step 5

Valve and plumbing

Tub and shower valves are not interchangeable. A conversion typically means a new valve, and current code requires a pressure-balancing or thermostatic mixing valve. Any wall opening this large is also the moment to address galvanized supply lines if the home still has them, which is common in Red Bank, Fair Haven, and Atlantic Highlands housing stock.

Step 6

Finish work

Base, tile, glass, fixtures, and the wall repair where the surround used to end.

Where Does the Money Go in a Conversion?

For a mid-range tiled conversion in the $14,000 to $18,000 band:

Line item	Typical range
Demolition, tub removal, and disposal	$900 to $2,000
Drain relocation and plumbing	$2,000 to $4,500
Framing, blocking, and wall repair	$600 to $1,500
Waterproofing system and shower pan	$1,500 to $3,000
Tile material and installation	$3,000 to $6,000
Glass enclosure or panel	$1,200 to $3,500
Valve, fixtures, and trim	$800 to $2,500
Permits and inspections	$300 to $800

The glass line moves more than people expect. A single fixed panel is at the low end. A frameless enclosure with a door, custom-measured after the tile is set, sits at the high end and adds two to three weeks of lead time on its own.

Should You Convert Your Only Tub?

This is the question worth answering before the cost question.

Keep at least one tub in the house

If the bathroom you are converting holds the only bathtub in the home, converting it can narrow your buyer pool. Families with young children generally want a tub, and real estate agents in Middletown, Marlboro, Manalapan, and Ocean Township will tell you the same thing, since those markets skew toward family buyers. In a three-bedroom home with one full bath, removing the tub is a resale liability.

Convert freely if you have another tub

In a home with a primary bath and a hall bath, converting the primary to a walk-in shower is one of the most popular upgrades in the county and generally reads as an improvement to buyers. The hall bath keeps the tub and the house keeps its flexibility.

Aging in place changes the math

If you are planning to stay in the home long term, a curbless or low-threshold shower is a substantial quality of life improvement and a genuine safety upgrade. Step-over height is one of the most common bathroom fall factors. If this is the goal, have the contractor install blocking in the walls for future grab bars even if you do not want the bars now. Blocking costs almost nothing during construction and is expensive to add later.

Ask about the buyer profile in your town

In Rumson, Little Silver, and Colts Neck, primary suite walk-in showers with a separate freestanding tub are the expected configuration in upper-tier homes. In the 1960s-through-1990s ranches and split-levels common in Ocean Township and Marlboro, the hall bath tub matters more.

Do You Need a Permit for a Tub to Shower Conversion in New Jersey?

Almost always, yes. A conversion involves plumbing work, and typically electrical work as well if lighting or an exhaust fan is being addressed. Under the New Jersey Uniform Construction Code, plumbing and electrical work generally require permits, with specific requirements varying by municipality.

Permitted work is inspected work. For a conversion that means an inspector verifies the drain, the valve, and often the waterproofing before tile covers any of it. That inspection is the only independent check on work that will be invisible for the next twenty years.

Confirm who is pulling the permit and whose name is on it. It should be the contractor's.

What Should a Coastal Conversion Include?

Homes in Monmouth Beach, Highlands, Long Branch, and Sea Bright deal with persistent humidity and salt air. A few specifications matter more here than they do inland:

Porcelain rather than ceramic tile. Porcelain is denser and far less porous, which matters in a room that stays damp.

Larger format tile where the layout allows. Fewer grout lines means fewer vulnerable seams.

Exhaust ventilation ducted fully to the exterior, sized to the room, and ideally placed near the shower. A fan that vents into an attic relocates the moisture problem rather than solving it.

Marine-grade or stainless hardware in homes closest to the water, where standard finishes corrode noticeably faster.

These choices add roughly 3% to 6% to a conversion and meaningfully extend how long it holds up.

What Happens if the Demolition Finds Water Damage?

Removing a tub frequently exposes conditions that were hidden underneath it. A slow drain leak, a failed valve seal, or years of splash migration past a cracked caulk joint all leave the same evidence: stained framing, soft subfloor, and sometimes mold behind the surround.

For most remodeling contractors this stops the project. Water damage and mold require proper mitigation rather than a patch, and a remodeler who does not perform restoration has to halt work while you find and schedule a separate remediation company. That commonly adds weeks with the bathroom sitting open.

The federal guidance here is time-sensitive. The EPA advises that wet materials be dried within 24 to 48 hours to prevent mold growth, and that the moisture source has to be corrected before any remediation is considered complete. Waiting a week for a second contractor is not consistent with that window.

There is also a documentation issue. Whether a homeowners insurance claim succeeds depends heavily on establishing cause and timeline correctly at the moment of discovery. Slow, long-developing leaks are the category insurers most often decline, which makes the quality of the initial documentation the difference between a supported claim and an easy denial.

PNE performs both remodeling and water damage restoration in-house. When something turns up behind a tub, the same licensed team documents it, performs the mitigation and remediation, coordinates with your insurance carrier when a claim applies, and continues the conversion. No handoff and no stall.

When you interview any contractor for a conversion, ask directly: if you pull the tub and find water damage, what happens next?

Frequently Asked Questions

How long does a tub to shower conversion take?

One to two weeks for a prefab base and surround with no drain relocation. Two to three weeks for a tiled shower. Three to four weeks for a curbless conversion involving floor structure work. Add lead time for custom glass, which is measured after tile is set and typically takes two to three weeks to fabricate.

Does removing a bathtub hurt resale value?

It depends on how many tubs remain. Removing the only tub in the house narrows your buyer pool, particularly in family-oriented markets. Converting one of two or more bathrooms to a walk-in shower is generally viewed as an upgrade.

Can you convert a tub to a shower without moving the drain?

Sometimes, using a shower base designed for an offset drain that aligns with the existing tub drain location. It saves real money. Whether it works depends on the specific base and your existing plumbing, and it is one of the first things a contractor should check during the walkthrough.

Is a curbless shower worth the extra cost?

For accessibility and long-term livability, often yes. It requires recessing the subfloor or building up the surrounding floor to create the necessary slope to the drain, which is why it costs more. In a home with joists running the wrong direction or limited floor depth, it can be considerably more involved.

Do I need a permit to convert a tub to a shower in New Jersey?

Generally yes, because the work involves plumbing. Requirements vary by municipality under the New Jersey Uniform Construction Code, so confirm with your local construction official or have your contractor do it.

What is the cheapest way to convert a tub to a shower?

Keep the existing footprint, use a prefabricated base that works with the current drain location, and use a fixed glass panel rather than a framed or frameless door. That combination lands most projects near the bottom of the range.

Will insurance cover water damage found during the conversion?

Not automatically. Homeowners policies generally cover sudden and accidental water damage and exclude gradual damage that developed over time. Damage found behind a tub is often the gradual kind. Proper documentation of the cause and condition from the moment of discovery is what gives a claim its best chance.

Get a Written Estimate for Your Conversion

Every PNE project starts with a free on-site consultation and a written, line-item estimate for your specific bathroom, including whether your drain can stay where it is. Call (888) 827-6326 or request a free estimate to get started.

PNE Construction LLC is a licensed and insured contractor (NJ HIC 13VH12011500) based in Little Silver, performing both remodeling and water damage restoration in-house across Monmouth County. Costs reflect typical market conditions as of 2026 and are planning ranges, not quotes. Permit requirements vary by municipality.

Tub to Shower Conversion Cost in Monmouth County, NJ