Permitting Authorities / Missouri / Boone County Resource Management - Building Inspections
Do you need a permit to replace a roof in Boone County, MO?
Adopted code
Boone County Resource Management - Building Inspections
Yes, a permit is required to replace a roof in Boone County, MO, issued by Boone County Resource Management - Building Inspections. Resource Management's answer to "When do I need a building permit?" states: "A permit is required for any construction that physically changes or adds structures to your property or for work regulated by codes or resolutions," and lists "Any construction involving structure, electrical, plumbing, insulation, roofing, gas line installation or upgrade." It adds that "Cosmetics do not require a building permit." Inspections must be scheduled by calling Resource Management.
Roof code checklist: Boone County, MO
Each row comes from the sourced record on this page; full wording is in the table below. "Not published" means no official source for that item was found when the record was last verified.
Jurisdiction
Boone County, Missouri
Address
801 E. Walnut, Rm. 315, Columbia, MO 65201
Contact
- url: https://www.boonemo.gov/resource-management/contact.asp
- phone: 573-886-4339
Roofing permit required
Required
Permit process note
Resource Management's answer to "When do I need a building permit?" states: "A permit is required for any construction that physically changes or adds structures to your property or for work regulated by codes or resolutions," and lists "Any construction involving structure, electrical, plumbing, insulation, roofing, gas line installation or upgrade." It adds that "Cosmetics do not require a building permit." Inspections must be scheduled by calling Resource Management.
Adopted code
The Boone County Commission's order of March 23, 2017 adopts the Boone County Building Code, including "the International Residential Code 2015", effective April 1, 2017. The adopting order for one- and two-family dwellings states that the International Residential Code for One and Two Family Dwellings, 2015 edition, "is hereby adopted as the Residential Building Code of Boone County, Missouri for the control of residential structures," with listed appendices except Appendix U and with the County's amendments. Resource Management's answer to "What building code does the county use?" lists the "2015 International Residential Code for One-and-Two Family Dwellings" and the "2015 International Existing Building Code".
Drip edge
Required — Drip edge is required at eaves and rake edges of shingle roofs (IRC R905.2.8.5). The County adopted the 2015 International Residential Code via the Boone County Commission order effective April 1, 2017; that instrument, read in full (amendments to R101 through R113, R202, Table R301.2(1), R301.5, R301.9, R302, R303.4, R307, R311, R312, R313, R314, R322, R401 through R405, R502, R602.3.1, R802, Chapter 11, and the mechanical, fuel gas, plumbing, electrical and Appendix G items), does not amend R905.2.8.5, so the code's drip-edge requirement stands as enacted local law.
About drip edgeIce & water shield
Not required — "Ice Barrier Underlayment Required - No" (Table R301.2(1) values inserted by the Boone County Commission order adopting the 2015 International Residential Code, effective April 1, 2017).
About ice & water barrierImpact-resistant roofing
Not required — The Boone County Commission order adopting the 2015 International Residential Code, read in full with its amendments and attached figures, contains no impact-resistance requirement for roof coverings: "UL 2218", "Class 4", "impact" and "hail" each occur zero times in it, and it amends no section of Chapter 9.
Wind design criteria
Table R301.2(1) as filled in by the Boone County Commission order adopting the 2015 International Residential Code: "Wind Speed - 115"; "Topographic Effects - No"; "Seismic Design Category - B"; "Ground Snow Load - 20 lbs/sq. ft." The inserted values give no wind exposure category, special wind region or windborne debris zone.
Roof layer limit / recover
Base-code rule, read at 2015 International Residential Code Section R908.3.1.1, Roof recover not allowed, and quoted here rather than left behind the ICC paywall: a roof recover "shall not be permitted" where "the existing roof has two or more applications of any type of roof covering." One existing layer may be recovered; a second existing layer means a tear-off to the deck. The County's order adopting the 2015 International Residential Code does not touch Sections R907 or R908.
Sales & use tax
The combined sales tax rate in unincorporated Boone County is 5.975% (the use tax rate is the same), per the Missouri Department of Revenue's Jurisdiction and Total Rate Database for the fourth quarter of 2026 (jurisdiction code 00000-019-000). Cities inside the county add their own rates. The same table lists 1 smaller rate area inside unincorporated Boone County where special taxing districts (transportation development districts among them) add tax, at a combined sales rate of 6.975%. Missouri's own state rate is 4.225%; the rest is local. For a re-roof, 12 CSR 10-112.010(1) provides that "a contractor is the final user and consumer of the materials and supplies used and consumed in fulfilling a construction contract and which become part of a completed real property improvement," so the roofer pays tax when it buys the materials. Under 12 CSR 10-112.010(2)(A), "In general, title passes after installation is complete," and where title passes after attachment the contractor "does not collect tax on its transfer of ownership or title of the item."
More roof permit pages in Missouri
Related guides
Boone County Resource Management issues building permits in unincorporated Boone County, Missouri, from 801 E. Walnut, Room 315, Columbia. The County enforces the 2015 International Residential Code, adopted by County Commission order effective April 1, 2017. This listing covers the office's contact details and the local sales tax rate, and the code facts quoted below; it does not cover every local permit rule.
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