Back to Pool Ownership Costs
plaster · 15,000 gal

In-Ground Saltwater (Plaster) - 15,000 gal

saltwater (SWG)Unheated~20 yr life

Best for: LA families wanting proven reliable pools with good water quality; HOAs; property managers preferring established technology

10-year total$46,000–$81,000install + 10 years of running costs
Install$35,000–$60,000
Per year$1,100–$2,100chemicals, power, reserves
Per month$92–$175yearly ÷ 12

Typical annual maintenance: $800–$1,800 (mid $1,200). LA-area estimates, not quotes. See How We Estimate.

Where the yearly money goes

The light part of each bar is the low estimate. The full bar is the high estimate.

  • Chemicals$200–$400
  • Electricity$400–$700
  • Repair reserves$500–$1,000

What wears out, and when

  • Salt cell calcification (5-7yr replacement $700-1200)
  • plaster staining/etching (8-10yr acid wash $300-500, 15-20yr resurfacing $3000-8000)
  • pump wear (8-10yr $1200-2500)
  • tile staining (calcium deposits)

Your time and effort

  • About 150 hours of upkeep a year
  • Difficulty 3 out of 5
  • Peak costs spring (opening chemicals $100-200) and fall (closing preparation). Summer highest chlorine demand. Winter minimal. Annual: Q1 $200-300, Q2 $400-600, Q3 $300-500, Q4 $100-200
Popular upgradesVariable-speed pump ($1200-2500, saves $500-1000/yr)automation system ($1500-4000)heat pump heater ($3000-6000)robotic cleaner ($500-2500)solar heater ($2500-4500)

Maintenance schedules

Related cost items

  • Annual Pump Operation (Variable-Speed, 1.5HP, 8 hrs/day): $400–$600
  • Shock Treatment (weekly): $20–$50
  • Salt (annual top-up): $100–$300
  • pH Adjustment (muriatic acid or soda ash): $30–$100
  • Alkalinity Adjustment (sodium bicarbonate): $20–$60
  • Cyanuric Acid / Stabilizer (annual or less): $25–$80
  • Algaecide (preventative or treatment): $30–$100
  • Filter Cleaning (professional service): $150–$300
  • Salt Cell Replacement: $400–$1,200
  • Pump Replacement (variable-speed, 1.5-2.5 HP): $1,200–$2,500

Equipment and repairs

Calculators