How Much Does It Cost to Retile a Pool?

Decide between a waterline refresh and a full interior retile

Your total expense depends almost entirely on how much of the pool surface you plan to cover. Most homeowners only replace the waterline tile, which is the top band of tile right below the pool edge. This band usually measures six inches tall and runs the entire perimeter of the pool. Waterline tile serves a very practical purpose. It protects the plaster from body oils, sunscreen, and drying out under the baking sun, while giving you an easy-to-wipe surface right where scum lines form. Replacing this perimeter border is considered a standard, routine maintenance job. For a typical backyard pool with 75 to 100 feet of perimeter, a crew can strip the old band and install new pieces in a couple of days.

Fully tiling the entire interior shell of a concrete pool is a completely different tier of home improvement. When you tile an entire pool floor, walls, benches, and steps, you are covering thousands of square feet of concrete instead of an eighty-foot strip. That turns a standard repair into a major luxury overhaul. Installing thousands of individual tiles across curved walls, deep ends, and main drains demands meticulous precision, specialized waterproofing, and weeks of painstaking labor. If you want to understand how extensive shell work fits into general pool construction timelines, you can read about how long it takes to build an inground pool.

To choose the right path for your budget, step outside and examine your pool finish below the tile line. If your plaster, quartz, or pebble finish feels smooth and watertight, replacing only the waterline band gives the entire pool an instant visual upgrade without breaking the bank. If your plaster is chipping, staining, and rough enough to scrape your feet, you will likely need to replaster the pool at the same time you replace the waterline tiles. Fully tiling the entire floor and walls only makes sense if you want an ultra-premium, resort-grade finish and have the budget to match, similar to high-end custom projects you might see when exploring how much a luxury lagoon pool costs.

Pick your tile material based on durability and upkeep demands

The type of tile you choose directly controls both your material expenses and your long-term maintenance routine. Swimming pool tiles must withstand harsh sanitizing chemicals, direct ultraviolet sunlight, shifting ground soil, and freezing winter temperatures. Standard indoor bathroom tiles cannot handle these conditions because they absorb too much water and will crack during the first winter freeze. Always confirm that your chosen tile is specifically rated for outdoor pool submersion.

Glazed ceramic tiles are the most common and budget-friendly choice for residential pools. Manufacturers make ceramic from kiln-fired clay coated with a protective glaze that repels water, algae, and chemical scaling. Ceramic comes in countless solid colors, decorative printed patterns, and pre-assembled sheets that keep labor times low. The main limitation is density. Ceramic absorbs slightly more water than denser alternatives, making it slightly more prone to cracking if you live in an area with hard winter freezes and poor water management.

Porcelain tiles offer a step up in density and cold-weather resilience without a massive jump in cost. Porcelain uses finer clay baked at much higher temperatures than standard ceramic, creating a non-porous body that absorbs virtually zero water. Because water cannot penetrate deep into the tile, porcelain handles repeated winter freeze-and-thaw cycles without chipping or popping off the wall. It also resists stubborn calcium scale deposits, making it very simple to scrub clean with a nylon brush during your weekly maintenance routine.

Glass tiles represent the high end of pool design and deliver a shimmering, reflective look under bright sunlight. Glass is naturally non-porous, meaning it will never absorb pool water, chemicals, or algae. It can last for decades without fading or losing its luster. However, glass is significantly more expensive to buy and requires an experienced, certified tile setter. Installers must use a specialized, high-grade thinset (waterproof pool mortar used to glue tiles down) designed specifically for glass, and every cut must be made slowly to prevent sharp, jagged edges. Any slight mistake in the mortar bed will show directly through translucent glass tiles, so labor rates for glass installations are substantially higher.

Natural stone tiles, such as travertine, slate, and granite, provide an earthy, textured appearance that blends seamlessly into desert or tropical backyard landscaping. While stone creates a relaxed, natural look, it requires much more attention than glazed tiles. Stone is naturally porous. Pool chemicals, salt systems, and acidic water can eat away at the minerals over time, causing pitting and erosion. If you choose natural stone, budget for regular penetrating sealers and maintain strict water balance to protect your investment from chemical wear.

Budget for hidden structural repairs before draining the water

The biggest mistake pool owners make when budgeting for a retiling job is assuming the bid will only cover tile and mortar. When pool tiles crack or pop loose, the tile itself is rarely the root problem. Tiles usually fall off because water got behind them and compromised the structure underneath. Once a contractor strips away the old tile, you must be prepared for potential structural repairs before any new tile can be installed.

• Draining and safe water disposal: Waterline tile work requires dropping the pool water level at least a foot below the tile band, but full replacements or plaster repairs require emptying the pool completely. Draining a pool carries structural risks. In areas with high water tables, an empty pool can float or crack from groundwater pressure. A contractor must open the hydrostatic relief valves in the main drain and may charge for specialized submersible pump rentals and municipal permits for storm drain water discharge.
• Bond beam concrete repairs: The bond beam is the thick concrete top rim supporting the pool wall, directly behind your waterline tiles. Shifting soil, tree roots, or deck movement can crack this concrete rim. If water slips behind loose tile and freezes, it forces the concrete apart, rusting the steel rebar inside. A crew must chip away all crumbly concrete, treat the rusted steel, and rebuild the rim with hydraulic cement or structural epoxy before laying a single new tile.
• Expansion joint mastic replacement: The joint between the top of your pool coping and your concrete patio deck must be sealed with mastic (flexible sealant filling the joint between the pool and the deck). This rubbery bead keeps rainwater from running down behind your pool wall. If your mastic is dry, cracked, or missing, your deck will expand in the summer heat and shove directly into the pool wall, popping tiles off in sheets. Replacing this sealant band is an essential extra step to protect your new tile.
• Plaster transition cuts: When a crew chips off your old waterline tile, the bottom edge of the mortar bed meets your pool plaster finish. Chipping off stubborn mortar often chips and tears the top inch or two of plaster. The installer must make a clean, diamond-blade saw cut along the plaster line and patch that seam with fresh plaster mix. If your existing plaster is already brittle, this disturbance can cause larger sections of plaster to delaminate, pushing you toward a full interior resurfacing job.
• Old mortar bed demolition and surface prep: You cannot install new pool tile over lumpy, cracked old mortar. The installer must grind or chip the wall back down to solid, bare gunite concrete, wash away dust and algae, and float a brand-new waterproof mortar bed. Surface preparation often takes longer than the actual tile installation and forms a major portion of the final labor invoice.

Spot-repair small loose sections yourself but leave full lines to professionals

If you walk out to your pool and notice three or four loose tiles sitting on a bench or floating in the skimmer basket, you do not always need to hire an expensive renovation crew. Isolated tile failures can be tackled over a weekend if the concrete underneath remains solid and intact. Knowing when to take the DIY route versus when to hire a licensed contractor will save you both money and frustration.

A DIY patch repair makes sense when you have fewer than five loose tiles, the underlying concrete feels rock-hard, and you still have matching spare tiles stored in your garage or shed. Start by lowering your pool water level about six inches below the repair area so you can work completely dry. Tap the surrounding tiles lightly with the plastic handle of a screwdriver. A sharp, solid click means the tile is firmly bonded. A dull, hollow drumming sound means the mortar behind that tile has separated, and it will fall off soon as well.

To patch the loose section, carefully scrape away the old mortar from both the pool wall and the back of the tile using a stiff putty knife or small chisel. Clean the bare concrete thoroughly with a wire brush and a mixture of water and vinegar to remove all algae, dirt, and white calcium deposits. Once the concrete is dry, spread a waterproof pool-grade thinset or high-strength underwater epoxy putty onto the wall and the back of the tile. Press the tile firmly into position, aligning it with the surrounding tiles, and secure it with waterproof tape while the adhesive cures for 24 hours. Finish by packing waterproof pool grout into the joints, wiping the face clean with a damp sponge, and letting it set before raising the water level.

Call a professional pool contractor immediately if you run into any of the following warning signs:

• More than an eight-to-ten-foot section of tile has popped off or sounds hollow when tapped.
• You see a visible horizontal or diagonal crack running through the concrete bond beam behind the missing tiles.
• The pool deck has shifted forward and is pinching down hard against the coping stones and tile line.
• The pool shell is leaking water, confirmed by unusual daily water loss beyond normal evaporation.
• You want to replace the entire perimeter or change to delicate glass mosaic tiles that require specialized laser-level alignment.

Verify the scope in every contractor quote before signing

Hiring a contractor to retile your pool can feel overwhelming if you do not understand what should be written in a professional bid. Retiling is skilled masonry work that takes place in a harsh chemical environment. Vague, one-page estimates that simply state "replace waterline tile" leave you wide open to hidden charges the moment the contractor drains the water and begins chipping off the old materials.

Always collect at least three written bids from licensed, insured pool renovation specialists rather than general bathroom tile installers. Bathroom setters often use standard indoor adhesives and non-submersible grouts that dissolve or lose adhesion under constant chlorine exposure. When reviewing contractor estimates, check that every bid spells out the exact scope of work line by line. The quote should clearly state who handles draining and refilling the pool, how many linear feet of tile are included, the exact brand and model of tile, and the specific material allowance per square foot if you are selecting tiles later.

Pay close attention to how the contractor handles unexpected surface damage. A reputable company will include a clear unit price for bond beam repairs directly in the contract. For example, the bid should state a fixed cost per linear foot for chipping out cracked concrete and rebuilding the beam if hidden damage is discovered after demolition. That way, if the crew finds broken concrete behind your old tiles, you already know the exact repair price rather than being forced to negotiate while your pool sits empty.

Finally, confirm the chemical startup and warranty terms before signing. The estimate should specify that the installer will use waterproof pool-rated mortar and polymer-modified or epoxy grout. Ask how long the company guarantees their tile adhesion against popping and cracking. A solid workmanship warranty should cover you for at least one to two years, giving the pool ample time to cycle through summer heat, winter cold, and routine chemical shifts without losing tiles.

FAQs

Do I need to drain my pool completely to replace the waterline tile?

No, you do not need to empty the entire pool just to replace the waterline border. A contractor will usually drain the water twelve to eighteen inches below the tile band, which leaves plenty of dry working room while keeping the pool heavy enough to stay safely anchored in the ground. You only need to drain the pool completely if you are retiling the entire floor and walls or pairing the tile job with a full interior plaster resurfacing.

Why do pool tiles fall off or crack in the first place?

Pool tiles usually fail because moisture finds a way behind the mortar bed. The most common cause is dried-out or missing deck mastic, which allows rainwater to seep behind the pool wall and freeze during cold weather, forcing the tiles outward. Shifting ground soil, rust expanding on internal steel rebar, and aggressive water chemistry that eats away at grout lines also cause tiles to lose adhesion over time.

How long does a pool retiling project usually take to complete?

A standard waterline retiling job on an average backyard pool typically takes between two and four workdays from start to finish. Day one involves lowering the water, stripping old tiles, and repairing the concrete beam. Day two is dedicated to floating the mortar bed and setting the new tiles, followed by grouting, sealing, and cleanup on days three and four. If extensive concrete damage is discovered behind the old tile, repairs can add several days to the schedule.

Can I tile over existing pool tiles to save money on demolition?

You should never install new pool tiles directly over old ones. The original tiles are already failing or losing bond, meaning your new layer would be glued to an unstable, slick foundation that will quickly crack and peel off. Installing a second layer of tile also creates an awkward lip that catches automatic pool cleaners and interferes with your skimmer openings. Doing the job correctly requires stripping the wall down to clean, solid concrete.