Why does pool construction cost vary by city?

Local labor rates, permit timelines, and demand differ across Southern California. Each city in our guides applies its own cost multiplier to the regional baseline, so a pool construction in a coastal premium market costs more than the same scope inland.

Is the price worth it — and how do I avoid overpaying?

Get at least three written bids for the identical scope, make finishes allowance-based, and check that permits and overhead-and-profit are shown as their own lines. Keystone matches you with up to 3 vetted contractors and will review a bid you already have.

Pool Construction Cost in Southern California (2026)

Q: How much does a pool construction cost in Southern California in 2026?

A mid-size pool construction typically runs $80k–$130k at the LA County baseline. Small projects start around $55k; large or high-end work can reach $250k or more. Orange County runs slightly above this and San Bernardino County below.

A mid-size pool construction typically runs $80k–$130k at the LA County baseline ($90–$220 per sq ft of water surface). Small projects start around $55k; large or high-end work can reach $250k or more.

Pricing varies across Southern California — Orange County runs a bit above the LA baseline and San Bernardino County below. Compare by county and city below.

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Pool Construction Cost by Size

Southern California baseline ranges (LA County = 1.0× baseline). Individual counties and cities vary — see below.

Size	Type	Range	Low	High
Small	Plunge / cocktail pool	up to 250 sq ft	$55k	$85k
Medium	Standard gunite	300–450 sq ft	$80k	$130k
Large	Luxury w/ spa & water features	500+ sq ft	$125k	$250k

Pool Construction Cost by County

Los Angeles County

$80k–$130k

mid-size · 1.00× baseline

See LA County city-by-city

Orange County

$84k–$137k

mid-size · 1.05× baseline

See OC city-by-city

San Bernardino County

$68k–$111k

mid-size · 0.85× baseline

See SB County city-by-city

Pool Construction Cost by City

What Affects Pool Construction Cost?

Construction type (gunite vs fiberglass vs vinyl)
Spa addition
Decking
Equipment (pump/heater/automation)
Permit
Soil and grading

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Pool Construction Cost FAQs

Keep exploring

Compare other project costs, drill into pool construction by area, or read our guides.

Other project cost guides

Pool Construction by area

Renovation guides

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