Pool permits in St. Louis, city by city

Every city on this list requires a permit for an inground pool, but who issues it, what it costs and how high the fence must be all vary. Find your city below. Each page links to the official rules.

St. Louis County, MO

City	Permit from	Permit fee	Pool fence
Unincorporated St. Louis County	St. Louis County	County fee table by project cost, plus $47 ($171 min.)	48 in. minimum
Ballwin, MO	City of Ballwin	$6 per $1,000 of cost ($75 min.), plus an escrow	4 to 6 ft
Chesterfield, MO	St. Louis County, after city zoning approval	County fee table by project cost, plus $47	48 in. minimum
Eureka, MO	City of Eureka	$50 up to $25,000, + $3 per $1,000 above	48 in. minimum
Kirkwood, MO	City of Kirkwood	Not published online; fence permit $48	48 in. minimum
Town and Country, MO	City of Town and Country	$25 + cost-based fee + $60 per inspection	48 in. minimum
Webster Groves, MO	City of Webster Groves	$30 + $6 per $1,000 of value, plus review and inspection fees	48 in. minimum
Wildwood, MO	St. Louis County, after city zoning approval	County fee table by project cost, plus $47	48 in. minimum

City of St. Louis, MO

City	Permit from	Permit fee	Pool fence
The City of St. Louis	City of St. Louis Building Division	$25 + $10 per $1,000 over $3,000	No city rule published

St. Charles County, MO

City	Permit from	Permit fee	Pool fence
St. Charles, MO	City of St. Charles	0.45% of cost ($50 min.) + plan review	48 in. minimum
Lake Saint Louis, MO	City of Lake Saint Louis	$125 min. (0.6% of cost) + plan review	4 to 6 ft
O'Fallon, MO	City of O'Fallon	0.65% of cost ($100 min.)	48 in. minimum
Wentzville, MO	City of Wentzville	0.5% of cost ($35 min.) + $50 plan review	48 in. minimum

St. Clair County, IL

City	Permit from	Permit fee	Pool fence
Belleville, IL	City of Belleville	$100	4 ft minimum
O'Fallon, IL	City of O'Fallon	0.4% of value ($50 min.) + $35 zoning	48 in. minimum

Madison County, IL

City	Permit from	Permit fee	Pool fence
Edwardsville, IL	City of Edwardsville	$100 + $20 electrical, $30 fence, $2,500 bond	4 to 6 ft

Checked against official city and county sources in October 2026. Confirm with the permit office before you build. For the overall process, read how pool permits work in St. Louis.

Let the builder handle the permit

Most pool builders pull the permit and schedule inspections as part of the contract. Ask about it when you compare quotes.

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