Carbon Monoxide Detector Laws for Kansas Hotels and Short-Term Rentals

Kansas has no rule that names short-term rentals, and the answer for a host turns on whether the property is large enough to be licensed at all. K.S.A. 36-501(b)(6) defines a guest house as any building held out to the public as a place where sleeping accommodations are furnished for pay to transient or permanent guests, taking no more than seven guests in no more than three sleeping rooms. That describes an ordinary whole-house let. A guest house is a lodging establishment under subsection (b)(4), but it is the one category the Act then excuses from licensing: K.S.A. 36-502(e) says a guest house "shall not be required to have a lodging license", and instead makes it inspectable when the secretary receives a complaint. Because K.A.R. 4-27-8(c) puts the detector duty on "the licensee" of a lodging establishment, the smallest lets are the ones the duty reaches least clearly, and a host who grows past the guest house caps acquires the licence and the duty together.

Last verified: August 26, 2026

Key Takeaways

The trigger is equipment rather than size. K.A.R. 4-27-8(c) reaches a licensed lodging establishment using fuel-fired equipment or appliances posing a potential carbon monoxide risk, holding an attached parking garage, or holding a wood-burning fireplace, and it applies to new and existing properties alike.
Test every six months and keep the paper. Each detector is tested at least once every six months to confirm it works, batteries are changed as needed, and a twelve-month history of all test results is logged, kept at the establishment and produced to the Secretary of Agriculture on request. Neither the test nor the log has an analogue in a residential tenancy, which is why hosts miss them.
Two consecutive failures end the battery option. Where a battery-operated detector fails to function properly on two successive six-month tests, the operator replaces it with a hardwired device carrying battery backup.
The garage rule runs opposite to expectation. A detector is required in each non-guest room adjoining an attached parking garage or sharing a common ventilation system with one, and is not required inside the garage itself.
One seam has no answer on the face of the Act. A property with three or fewer sleeping rooms that sleeps more than seven guests fits neither the guest house definition nor the hotel definition, which starts at four or more rooms offered primarily to transient guests. That one is worth putting to the department rather than guessing at.
Kansas runs no statewide building code for private construction, so a city ordinance here is the standard rather than an overlay on one, and what the state does run is the International Fire Code adopted by the State Fire Marshal, which local authorities may amend upward. The coverage gap therefore matters more than usual: Overland Park, the second largest city, has no published edition behind its code so its zeros prove nothing, and Topeka, Olathe, Lenexa and Leawood appear on none of the hosts searched.

Legal Summary

Kansas requires carbon monoxide detectors in licensed lodging establishments through administrative regulation rather than a standalone statute. Kan. Admin. Regs. § 4-27-8(c), promulgated under the Kansas Lodging Inspection Act (K.S.A. 36-501 et seq.) and enforced by the Kansas Secretary of Agriculture, requires every licensed lodging establishment that uses fuel-fired equipment or appliances posing a potential CO risk, including properties with attached parking garages or wood-burning fireplaces, to install one or more CO detectors per the manufacturer's specifications. This regulation applies to new and existing licensed lodging establishments statewide, and K.S.A. 36-502(b) makes that a hotel, a rooming house or a boarding house; K.S.A. 36-502(e) excuses a guest house from holding a licence at all.

That last category is the one short-term rental hosts miss. Kansas has no rule that names short-term rentals, which makes it easy to conclude the state has nothing to say to them, but K.S.A. 36-501(b)(4) defines a lodging establishment as "a hotel, rooming house, guest house or boarding house", and subsection (b)(6) defines a guest house as any building "held out to the public to be a place where sleeping accommodations are furnished for pay to transient or permanent guests" accommodating no more than seven guests in no more than three sleeping rooms. That is a description of an ordinary whole-house rental. The category was added to the Act in 2018. A larger property offering four or more rooms primarily to transient guests is a hotel under subsection (b)(1) instead. The two are not treated alike. K.S.A. 36-502(a) makes it unlawful to conduct a lodging establishment without a license, but K.S.A. 36-502(e) exempts a guest house from needing one, and 36-502(b) lists only a hotel, rooming house or boarding house as the things a license designates. K.A.R. § 4-27-8(c) then runs to "the licensee" of a lodging establishment, so the detector duty attaches where the license does.

Who Is Covered

Licensed lodging establishments under the Kansas Lodging Inspection Act are the covered entities. Under K.S.A. 36-501, a "lodging establishment" means a hotel, rooming house, guest house, or boarding house. A "hotel" is any building held out to the public as offering paid sleeping accommodations primarily to transient guests with four or more rooms; a "guest house" is any building held out to the public for paid sleeping accommodation that takes no more than seven guests in no more than three sleeping rooms. Those figures are the ceiling of the guest house category, and the licensing consequence runs the opposite way from what most summaries say. K.S.A. 36-502(a) makes it unlawful to conduct a lodging establishment without a license from the Secretary of Agriculture. K.S.A. 36-502(e) then carves the guest house out: it "shall not be required to have a lodging license", though the secretary must inspect it on a complaint and it remains subject to temporary closure under K.S.A. 36-515a(b). Subsection 36-502(b) confirms the shape of that, because a license designates a hotel, rooming house or boarding house and does not mention a guest house at all.

That carve-out reaches the carbon monoxide duty, because of who the regulation names. K.A.R. § 4-27-8(c) begins "The licensee of each lodging establishment using fuel-fired equipment or appliances that pose a potential carbon monoxide risk", so the obligation is written to a licensee rather than to a property. A guest house has no licensee. Whether an inspector arriving on a complaint could apply subsection (c) to one anyway is not settled by the text, and no Kansas decision or department guidance on the point was found, so a host at guest house scale should ask the department rather than assume either answer. Above the caps the question disappears: a hotel, rooming house or boarding house is licensed, and the duty attaches with the license, on new and existing properties alike, wherever fuel-fired equipment, attached parking garages or wood-burning fireplaces are present.

A host letting a house or a cabin therefore sits inside this framework rather than outside it, as a guest house if the property is small and as a hotel if it offers four or more rooms to transient guests.

Walking the boundary matters more than the two headline numbers suggest, because the four categories in K.S.A. 36-501(b) are not a single ladder. Crossing out of the guest house lands a host somewhere different depending on which limit they crossed.

Four or more sleeping rooms offered primarily to transient guests makes the property a hotel under subsection (b)(1). That limb counts rooms and says nothing about how many people occupy them, so a four-bedroom listing is a hotel however few guests it takes. On a whole-house short-term let the room count usually bites first.

Eight or more guests puts the property into subsection (b)(2) or (b)(3), where food decides which. A rooming house accommodates eight or more guests and maintains no common facilities for the serving or preparation of food. A boarding house is the same thing with those facilities. Both reach transient or permanent guests, so neither turns on the stay being short, which is the point at which a monthly let stops being different from a weekend one.

Those two subsections also close a gap this page used to leave open. Three sleeping rooms holding more than seven guests is outside the guest house cap of subsection (b)(6), and it is not therefore outside the act: it is a rooming house, or a boarding house where a shared kitchen is laid on for guests. Subsection (b)(4) makes all four categories a lodging establishment, but only three of them are licensed, since 36-502(e) excuses the guest house. So the boundary does more than relabel a property. Crossing it is what creates the licence under K.S.A. 36-502(a), and the licence is what K.A.R. § 4-27-8(c) attaches its detector duty to. The eighth guest, or the fourth sleeping room, is where the carbon monoxide obligation stops being arguable and starts being written down.

Hotels already standing: covered too. The Kansas requirement reaches an existing hotel and not only one being built.

Operator Responsibilities

Operators of Kansas licensed lodging establishments using fuel-fired equipment, appliances posing a potential CO risk, attached parking garages, or wood-burning fireplaces must install one or more carbon monoxide detectors in accordance with the manufacturer's specifications, under K.A.R. § 4-27-8(c). A CO detector is specifically required in each non-guest room adjoining or sharing a common ventilation system with an attached parking garage. Notably, CO detectors are not required to be installed in the attached parking garage area itself. Operators carry ongoing operational and maintenance obligations beyond initial installation. Each CO detector must be maintained in working condition and tested at least once every six months to confirm proper operation; batteries must be changed as needed. A 12-month history of all test results must be logged and kept at the lodging establishment, and made available to the Kansas Secretary of Agriculture upon request. If a battery-operated detector fails to function properly on two consecutive six-month tests, the operator must replace it with a hardwired device with battery backup. A short-term rental host above the guest house caps carries the same duties on the same trigger, because crossing them makes the property a hotel, a rooming house or a boarding house, all of which are licensed, and K.A.R. § 4-27-8(c) does not distinguish between the licensed categories. Below the caps K.S.A. 36-502(e) leaves the property unlicensed, so there is no licensee for subsection (c) to name. The six-month test and the twelve-month log are the parts hosts most often miss, since neither has an obvious analogue in a residential tenancy. Municipal STR permit conditions sit on top of this rather than in place of it, and they vary by city and county.

Installation and Technical Requirements

Under K.A.R. § 4-27-8(c), CO detectors in Kansas lodging establishments must be installed according to the manufacturer's specifications. The regulation does not prescribe a specific placement standard (such as "outside each sleeping area") beyond requiring detectors in non-guest rooms that adjoin or share a common ventilation system with an attached parking garage. The regulation does not mandate hardwired detectors at initial installation, battery-operated devices are acceptable, but a hardwired device with battery backup is required if a battery-operated detector fails two consecutive semi-annual tests. Testing must occur at least every six months, and results must be logged in a 12-month history maintained on-site. The regulation does not specify a UL listing standard for CO detectors, instead deferring to manufacturer specifications. K.A.R. § 4-27-8 runs to the licensee of a lodging establishment, and K.S.A. 36-502(e) excuses a guest house from holding a licence, so the same installation, testing and logging standard reaches a host as reaches a motel once the let outgrows seven guests or three sleeping rooms. Below those caps the regulation names nobody at the property, and a local STR permit condition may be the only placement rule actually in force.

Enforcement

The Kansas Secretary of Agriculture is the primary enforcement authority for the Kansas Lodging Inspection Act and its implementing regulations, including K.A.R. § 4-27-8. Under K.S.A. 36-510, the Secretary may contract with municipalities or the Kansas State Fire Marshal to enforce lodging standards on the Secretary's behalf. Inspectors may review the required 12-month CO detector test log during inspections. The Kansas Department of Agriculture's Food Safety and Lodging program administers annual licensing for all covered lodging establishments. Violations may result in notice of noncompliance, civil penalties, or license actions including suspension or revocation under K.S.A. 36-515 and K.S.A. 36-515b.

Penalties

Under K.S.A. 36-515b, any person who violates the Kansas Lodging Inspection Act or its implementing regulations, including K.A.R. § 4-27-8, may be assessed a civil penalty up to $500 per violation; in the case of a continuing violation, each day the violation continues is a separate offense. The Secretary of Agriculture may also deny, suspend, revoke, or refuse to renew a lodging license under K.S.A. 36-515. A violation of the act may also be declared a misdemeanor under K.S.A. 36-515, and injunctive relief is available to the Secretary to compel compliance.

Local Override Warning

The statewide floor comes from the Lodging Inspection Act, and it reaches a short-term rental where the let is licensed, which K.S.A. 36-502(e) means a guest house is not, so a host below the caps may be waiting on a local ordinance for any duty at all. What sits on top is unusual. Kansas runs no statewide building code for private construction, so a city ordinance here is not an overlay on a state standard, it is the standard, and K.A.R. § 4-27-8 adds no placement rule beyond the manufacturer's instructions and the parking-garage provision. Seven municipalities were read on 11 August 2026 and two of them go past the floor in ways an operator can feel.

Manhattan deletes one option from an exception and changes who has to buy a detector. Section 915.1.4 of both model codes requires carbon monoxide detection in dwelling units, sleeping units and classrooms wherever the building holds a fuel-burning appliance or fireplace, then excuses it in two situations: where no communicating opening connects the appliance to the space, and where a detector sits either in an approved location between the appliance and the space or on the ceiling of the room containing the appliance. Manhattan reproduces the section, keeps the first exception, keeps the approved-location-between option, and drops the ceiling option. The omission is a deletion rather than a search artefact, because the phrase returns zero across the whole Manhattan code while the sibling phrase from the same exception returns two hits. The consequence lands on an older building with a shared basement boiler: under the model code one detector on the boiler room ceiling discharges the duty for every sleeping unit above it, and in Manhattan the detection has to sit in the units themselves or somewhere on the path between the boiler and them. The city made the change twice and kept its two codes aligned, at Section 13-18(22) for the fire code and Section 8-32(16) for the building code.

Lawrence writes the ordinary rule itself, which it has to, and that is where a Lawrence host gets the duty. Section 9-735 rewrites property maintenance code Section 705 so that alarms are required in a dwelling with a fuel-fired appliance or an attached garage opening directly into the unit, and Section 9-736 fixes the locations: outside each separate sleeping area in the immediate vicinity of the bedrooms, and inside any bedroom holding a fuel-burning appliance or with one in its attached bathroom, with combination smoke and carbon monoxide devices permitted. A property with animals on it carries a second rule. Section 8-223 adds Section 914.12 to the fire code for animal housing facilities, reaching any area where animals are fed, rested, worked, exercised, treated, exhibited or used for production, and it applies whether the facility is existing or new, so a boarding kennel standing for thirty years is inside it. Detection there runs to Section 915 or 1103.9 alongside a monitored NFPA 72 smoke system, employee fire safety training and a written disaster and emergency management plan.

The negative results carry their controls, because a clean search and an unpublished code look the same in a report. Wichita is the strongest zero in Kansas and possibly the cleanest large-city zero in this survey: its index answers 604 times for "building", 343 for "fire", 135 for "dwelling", 17 for "smoke alarms" and 31 for short-term rentals, and never once for carbon monoxide. Salina, Kansas City through the Wyandotte County unified government, and Shawnee County add nothing, and Kansas City's single hit is a 1,300 degree afterburner rule for gray iron cupolas. Overland Park is not a clean result at all: its Municode client answers zero for every control including "building" and "fire", which is the shape of an unpublished edition rather than of an empty one. Topeka, Olathe, Lenexa and Leawood appear on none of the seven hosts this survey uses. Shawnee is a near miss recorded rather than claimed, its Section 15.06.020(G) replacing residential code Section R314.2.2 so that permitted alterations, repairs or additions trigger smoke and carbon monoxide alarms located as for new dwellings, which reads as a tightening until you notice that the model code already reaches carbon monoxide by the parallel route at R315.2.2 and that Shawnee's own exception widens the exempt list to electrical work. Its added Section R314.8 puts a heat detector in a garage integral or attached to the house, which is a real addition and is not a carbon monoxide rule.

Read every section number here as belonging to a city's chosen edition rather than to a state one. Kansas has no statewide code to date an ordinance against and these chapters name no edition. R314 was smoke alarms and R315 carbon monoxide alarms in every model residential code edition through 2021; the 2024 edition moved both subjects to R310 and R311 and reassigned R314 and R315 to mezzanines and sleeping lofts. An amendment that replaces R314.2.2 and argues with R315.2.2 is working from a pre-2024 edition, which matters because Shawnee repealed and replaced its whole chapter in April 2026. Ask the city which edition it adopted. Every Kansas municipality outside those seven went unread.

Frequently Asked Questions

Are carbon monoxide detectors required in Kansas hotels?

Yes. Kan. Admin. Regs. § 4-27-8(c), issued under the Kansas Lodging Inspection Act (K.S.A. 36-501 et seq.), requires the licensee of every lodging establishment, which K.S.A. 36-502(b) makes a hotel, a rooming house or a boarding house, that uses fuel-fired equipment or appliances posing a CO risk, or has an attached parking garage or wood-burning fireplace, to install one or more CO detectors per the manufacturer's specifications. This obligation applies to both new and existing licensed properties, and includes ongoing testing and logging requirements detailed below.

Does Kansas require Airbnb hosts to have carbon monoxide detectors?

It depends on the size of the let, and the route surprises people because no Kansas rule uses the words "short-term rental". K.A.R. § 4-27-8(c) writes its duty to "the licensee" of a lodging establishment, and K.S.A. 36-501 makes that term cover hotels, rooming houses, boarding houses and guest houses. Only the first three are licensed: K.S.A. 36-502(e) says a guest house "shall not be required to have a lodging license", and a guest house is any building held out to the public for paid sleeping accommodation taking no more than seven guests in no more than three sleeping rooms, which describes most whole-house listings. So a listing at that scale has no licensee for the regulation to name, and whether an inspector called out on a complaint could apply it anyway is not settled by the text; ask the Department of Agriculture rather than assume. A property offering four or more rooms to transient guests is a hotel instead, and one taking more than seven guests in three or fewer rooms is a rooming or boarding house. Those are licensed, and the detector duty follows the licence wherever fuel-fired equipment, an attached parking garage or a wood-burning fireplace is present. Local STR permit conditions add to that rather than replace it.

Do Kansas CO detector rules apply to existing hotels as well as new construction?

Yes, this is a key distinction. K.A.R. § 4-27-8(c) applies to all currently licensed Kansas lodging establishments that meet the fuel-fired or garage trigger conditions, regardless of when the building was constructed. Unlike states where CO requirements attach only to new construction or permitted renovations, Kansas's administrative regulation imposes an ongoing operational obligation on licensed hotel operators. The requirement to test detectors every six months and maintain a 12-month log underscores that this is a continuous compliance standard, not a one-time construction requirement.

How often must Kansas hotel carbon monoxide detectors be tested?

Under K.A.R. § 4-27-8(c)(2), CO detectors in Kansas lodging establishments must be tested at least once every six months to confirm they are operating properly, and batteries must be changed as needed. Operators must maintain a 12-month history of all test results at the lodging establishment and make the log available to the Kansas Secretary of Agriculture upon request. If a battery-operated detector fails to function properly on two consecutive semi-annual tests, the operator must replace it with a hardwired device that has battery backup.

What are the penalties for a Kansas hotel without a required CO detector?

Under K.S.A. 36-515b, violations of the Kansas Lodging Inspection Act, including failure to install or maintain required CO detectors under K.A.R. § 4-27-8(c), may result in a civil penalty of up to $500 per violation. Continuing violations are treated as a separate offense each day. Under K.S.A. 36-515, the Kansas Secretary of Agriculture may also deny, suspend, revoke, or refuse to renew the lodging establishment license, and a violation of the act may be declared a misdemeanor. Injunctive relief is also available to compel compliance.

Can Kansas cities impose stricter CO detector rules on short-term rentals?

Yes, and for the smallest lets a city ordinance may be doing more than adding a layer. K.A.R. § 4-27-8(c) runs to a licensee, and K.S.A. 36-502(e) excuses a guest house from holding a licence, so on a whole-house listing below the caps the ordinance can be the only carbon monoxide rule in force rather than a tightening of a state one. Above the caps the state floor is there and stricter is the operative word. What a local ordinance can usefully add is the thing the state rule leaves open: § 4-27-8(c) sets no placement standard beyond the manufacturer's instructions and the non-guest-room rule for attached parking garages, so a city requiring an alarm outside each sleeping area is asking for something the state rule does not. The content and enforcement of those conditions varies, so operators should consult their local planning or permit authority as well as the Department of Agriculture.

Disclaimer: This page explains the law as it stood on August 26, 2026. It is general information, not legal advice, and reading it creates no attorney-client relationship. Requirements vary by city, county and building type, and statutes and codes are amended: confirm the current text with the issuing authority before acting on it. Each requirement here cites the instrument it comes from, so you can check it at source.

Sources and References

Kan. Admin. Regs. § 4-27-8, Guest and public safety (Kansas Department of Agriculture, Lodging Establishments) , §4-27-8(c), CO detector requirement for fuel-fired equipment, attached garages, wood-burning fireplaces; §4-27-8(c)(1), non-guest room adjacent to parking garage; §4-27-8(c)(2), working condition, 6-month testing, 12-month log, hardwired upgrade trigger; §4-27-8(c)(3), no detector required inside garage
K.S.A. 36-501, Definitions (Kansas Lodging Inspection Act) , Definition of "lodging establishment" (hotel, rooming house, guest house, boarding house); "hotel" = 4+ rooms, transient guests; "guest house" = up to 7 guests / 3 rooms; "secretary" = Secretary of Agriculture
K.S.A. 36-515b, Civil penalty for violation of act; procedure , Civil penalty up to $500 per violation; continuing violations = each day a separate offense; Secretary may impose after notice and opportunity for hearing
K.S.A. 36-515, Violation of standards; license actions; misdemeanor; injunctive relief , License denial, suspension, revocation, or refusal to renew; violation declared a misdemeanor; injunctive relief available to Secretary
K.S.A. 36-510, Enforcement of act by secretary; delegation to municipalities and fire marshal , Secretary responsible for enforcement of lodging standards; Secretary may contract with municipalities or the Kansas State Fire Marshal to enforce all or any portion of standards
Manhattan Code of Ordinances Sections 13-18(22) and 8-32(16), amendments to Section 915.1.4 , 13-18(22) amending International Fire Code Section 915.1.4 and 8-32(16) making the identical amendment to International Building Code Section 915.1.4, each reproducing the requirement for dwelling units, sleeping units and classrooms in a building with a fuel-burning appliance or fireplace, keeping the no-communicating-opening exception and the approved-location-between option, and omitting the option of a detector on the ceiling of the room containing the appliance
Lawrence Code of Ordinances Sections 9-735, 9-736 and 8-223, alarm rules and animal housing facilities , 9-735 rewriting property maintenance code Section 705 to require alarms in a dwelling with a fuel-fired appliance or an attached garage opening directly into the unit; 9-736 setting locations outside each separate sleeping area and inside any bedroom holding a fuel-burning appliance or with one in its attached bathroom, combination devices permitted; 8-223 adding International Fire Code Section 914.12, animal housing facilities, applying to existing and new facilities alike