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Plumbing Inspection in Missouri

Across the 78 Missouri towns we route calls in, 24% of owner households moved in during 2018 or later. Every one of those sales came with an inspection, and every one of those inspections excluded the same list of things.

The one-paragraph answer

Owner turnover across the 78 covered towns in Missouri runs at 24% since 2018. What a standard inspection covers is fixed by the published standards of practice, and the drain line beyond the house is outside them.

Source: US Census Bureau, American Community Survey 5-year estimates, table B25038.

PresalePipe is a referral service, not a contractor or a home inspector. We connect homeowners and buyers with independent contractors. Contractors are required to hold whatever credential their state or municipality demands. Every state page sets out who licenses plumbers there and where to check, so you can confirm before work begins. We carry out no inspections and no work, we do not set prices, and we never charge homeowners anything — the contractors in our network pay us when we route them a call.

Turnover across Missouri

Towns in MissouriCount
Change hands often (28% of owners or more since 2018)14
About the middle (16–28%)54
Rarely change hands (under 16%)10

The spread inside the state is the point. Riverside is highest at 43% of owners having arrived since 2018; Millersville is lowest at 5%. A state figure describes neither of them.

Source: US Census Bureau, American Community Survey 5-year estimates, table B25038, 2023 release. Weighted across 600,504 occupied housing units, of which 368,281 are owner-occupied. This measures recent moves as a share of the housing stock, not sales per year.

The largest towns we route in Missouri

TownOwners who moved in since 2018Occupied homes
Kansas City24%259,214
Springfield24%106,270
Joplin19%30,392
Cape Girardeau23%19,605
Nixa26%12,988
Ozark29%12,800
Branson32%11,379
Jackson24%10,325

What is excluded, everywhere

The exclusions do not vary by state. Both InterNACHI and ASHI describe the inspection as covering readily accessible, visually observable systems and state that it is not technically exhaustive. Both exclude wells and pumps, septic and wastewater treatment, water quality and potability, fire sprinklers and gas leak testing. InterNACHI additionally names water flow and pressure, floor drains, shower pan testing and polybutylene piping.

What varies by town is how many people here have recently had a report in their hands to read the exclusions in. The full list is on its own page.

Source: InterNACHI Home Inspection Standards of Practice; ASHI Standard of Practice.

Checking a plumber in Missouri

Checking a credential in Missouri

Missouri has no state plumbing board. Section 341.010 of the Revised Statutes requires a certificate for plumbers working in cities or towns of fifteen thousand or more inhabitants, and the chapter elsewhere recognizes licenses issued by any county or city operating under plumbing rules, so the office that issued one is a local office. Start here. Ask the contractor which municipality licenses them and confirm it with that office before work begins.

Towns we route in Missouri

Inspection report in front of you?Read us the plumbing lines and nothing else — we do not want the document. We will route you to a contractor covering your area who can quote the items on it, and you are never charged by us. Inspections are the theme here; calls of every kind are routed.

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