Cass County, MO Swimming Pools & Spas: Pool Permits (2026)
Swimming pool permit rules in Cass County, MO, also covering above-ground pools, in-ground pools, and spa installations, set fencing, barrier, alarm, and inspection requirements.
Key Facts
- Above-ground pool fee
- $268.75
- In-ground pool fee
- $447.50
- Fee includes
- Electrical, plumbing, mechanical equipment
- Application fee
- $50.00 for residential projects
- Inspection deadline
- Requested within 180 days of issuance
Summary
A residential pool in unincorporated Cass County needs a Building Codes Department permit before it goes in the ground. Section 500.020's fee schedule charges $268.75 for an above-ground pool and $447.50 for an in-ground pool, and that single fee covers "all electrical, plumbing and mechanical equipment installed as a part of a new pool installation."
Swimming pools For each above ground swimming pool $268.75 For each in-ground swimming pool $447.50 Permits for swimming pools include all electrical, plumbing and mechanical equipment installed as a part of a new pool installation.
Full Breakdown
020's building permit fee schedule. 50. The schedule then folds trade work into that single number: "Permits for swimming pools include all electrical, plumbing and mechanical equipment installed as a part of a new pool installation," so a homeowner installing a new pool does not pull separate electrical, plumbing, or mechanical permits for the pool's own equipment on top of the pool fee. 00 application fee for one- and two-family dwelling projects, which is not credited against the pool permit fee itself. 5 requires the permit holder to request an inspection within 180 days of issuance or the permit becomes invalid, and the completed pool must pass inspection and be approved within one year of the permit's issuance.
A pool built without first obtaining this Building Codes Department permit is unpermitted construction under Chapter 500, separate from any deck, fence, or accessory-structure permit the same pool project might also need.
Violations & Fines
Cass County Code Section 100.210's General Penalty applies to an unpermitted pool install just as it would any other Chapter 500 violation: a civil penalty of up to $1,000.00, with "every day any violation of this Code shall continue" treated as its own separate offense until the Building Codes Department closes it out with a permit and inspection.
Frequently Asked Questions
How much does a pool permit cost in unincorporated Cass County?
Do I need separate electrical and plumbing permits for a new pool?
How soon does my new pool need an inspection after the permit is issued?
Sources & Official References
Other rules in Cass County
Compare Cass County to another location·View the Missouri swimming pools & spas overview
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