MaidMetricGet an estimate

Grout Sealing Cost

Grout sealing runs $0.80 to $1.60 per square foot for a clear penetrating sealer, or $1.70 to $2.60 for color sealing that recolors stained grout while it protects it. For a typical 200 square foot area, that works out to $160 to $320 for clear sealer, or $340 to $520 for color sealing.

The short answer

Grout sealing cost by sealer type

Sealer typeWhat it means200 sq ft
Clear penetrating sealerSoaks into the grout, does not change its color, the standard choice$160 to $320
Color sealingRecolors and seals in one step, lasts 5 to 10 times longer than clear sealer$340 to $520
$0.80 to $2.60/sq ft
Depending on clear vs. color sealer
Every 1 to 2 years
How often clear sealer typically needs reapplying
Annually
Recommended reseal frequency for wet areas like a shower
5 to 10x longer
How much longer color sealing lasts compared to clear sealer
Cost factors

What changes the price

Area to seal
Priced per square foot, the main driver for any size job.
Sealer type
Clear penetrating sealer protects grout without changing how it looks. Color sealing costs more upfront but recolors stained or uneven grout while sealing it, and lasts 5 to 10 times longer.
Number of coats
A single coat costs less but offers less protection. Two coats is the standard, most durable application. A three-coat or epoxy system costs the most and lasts the longest.
Prep cleaning
Sealer traps in whatever is already in the grout. Deep cleaning first, if it has not been done recently, is worth the extra cost rather than sealing over years of buildup.
Caulk replacement
Often bundled into the same visit, since caulk around tubs and showers wears out on a similar timeline to grout sealer.
Frequently asked

Questions people ask before booking

How much does grout sealing cost?

Clear penetrating sealer runs $0.80 to $1.60 per square foot, or $160 to $320 for a typical 200 square foot area. Color sealing, which recolors as it seals, runs $1.70 to $2.60 per square foot, or $340 to $520 for the same area.

What is the difference between clear sealer and color sealing?

Clear penetrating sealer soaks into the grout and protects it from moisture and stains without changing its appearance. Color sealing combines a color-matched or color-changing pigment with a sealant in one product, covering stains and uneven fading while it protects. Color sealing costs more but lasts 5 to 10 times longer.

How often does grout need to be resealed?

Clear sealer typically lasts 1 to 2 years before it needs reapplying. Wet areas like a shower or tub surround should be resealed at least once a year. Lower-traffic, drier areas can often stretch closer to 2 years.

Do I need to clean the grout before sealing it?

Strongly recommended if it has not been professionally cleaned recently. Sealer locks in whatever is already there, dirt, soap scum, or discoloration included, so sealing over unclean grout traps the problem rather than solving it.

Does epoxy grout need to be sealed?

No. Epoxy grout is non-porous on its own and does not require sealing the way traditional cement-based grout does. Sealing is a maintenance step specific to standard grout, not epoxy systems.

If the grout is stained or uneven in color, color sealing solves two problems in one visit instead of paying for a cleaning, then a separate recoloring job later. If it just needs protection and already looks fine, clear sealer is the cheaper, sensible default.

Related