Upfront on 992 sq ft
- Plaster
- $5,952-$7,936
- Pebble
- $6,944-$14,880
Finish comparison
Pebble vs. Plaster: The Honest Math
Plaster costs less today; pebble usually costs less per year. White plaster runs $6–$8/sq ft (HomeGuide, 2025-04-25), while pebble runs $7–$15/sq ft (HomeGuide, 2025-04-25). If you will own the home less than about eight years and keep chemistry honest, white plaster's math often wins. If you are staying, pebble earns its premium.
Verdict firstReal 992 sq ft mathApp measures your pool
Photo placeholder
Plaster vs. pebble texture comparison
Field image queued.
Side by side
The decision table.
Honest lifespan
- Plaster
- 7-12 years average care; 20-30 excellent chemistry
- Pebble
- 15-20+ years, chemistry still matters
Cost per year
- Plaster
- $595-$794 / yr
- Pebble
- $386-$827 / yr
Feel underfoot
- Plaster
- Smooth
- Pebble
- Smooth stones you can feel
Color
- Plaster
- Keep it white
- Pebble
- Color rides in aggregate
Waterproofing
- Plaster
- Plaster is the membrane
- Pebble
- Pebble adds a membrane
Warranty
- Plaster
- 1 year manufacturer
- Pebble
- 1 year manufacturer
The math on a real pool
Take a 16 x 32 pool: 992 sq ft of interior surface. Plaster at the midpoint of its published range lands around $6,944; call its life 10 years under average care. Pebble at midpoint lands around $10,912; call it 18 years. In most versions of this math, pebble's per-year cost comes in at or below plaster's.
Where plaster wins
Upfront cost, feel, and the short hold. If the house sells in five years, the buyer inherits the lifespan you paid for. Under excellent chemistry, white plaster's 20-30 year ceiling makes it the sleeper value of the category.
Where pebble wins
Everything long-term: forgiveness against real-world chemistry, longest common-finish lifespan, color without the pigment penalty, and strong cost-per-year math for anyone staying put.
FAQs
Comparison questions.
Does pebble add resale value over plaster?
A fresh surface of either kind sells better than a failing one. Beyond that, buyers price condition, not finish brand.
Can you install pebble over existing plaster?
The old surface gets prepped either way, and pebble adds a waterproofing membrane plaster does not need. No shortcut version exists worth having.
Why do both carry only a one-year warranty?
Because the manufacturer cannot see your water, and chemistry decides lifespan more than material does.
Finish picked? Now measure it.
The finish choice only matters after the app knows your pool's real surface area.
National averages can’t price your pool. They don’t know its size.
Enter your address and we’ll measure your actual pool from satellite imagery — surface area, perimeter, gallons — and price your project the way a premium contractor would. Free, about two minutes, and the measurement is yours either way.
Measure my pool