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    Montana

    Big Sky / Gallatin County, Montana short-term rental regulation research guide

    No current city- or county-specific short-term rental ordinance text was confirmed from an official source for Big Sky / Gallatin County, Montana as of . This page is a research guide: it lists what is known, what is unconfirmed, and how to verify the rules yourself. It does not state this jurisdiction’s requirements.

    Overview

    Big Sky is unincorporated and sits within Gallatin County (a small part also extends into Madison County), so it has no separate city government of its own — Gallatin County's Planning & Community Development Department administers zoning, and any short-term rental permitting or resort-tax obligation specific to the Big Sky area is layered on top of that through county and district-level administration. This differs from the City of Bozeman, which is a separate incorporated jurisdiction inside the same county. Montana's statewide lodging tax and any HOA/subdivision restriction are additional, separate layers.

    Areas covered: Big Sky (unincorporated), Unincorporated Gallatin County outside Bozeman city limits · Last verified

    How to verify the rules for Big Sky / Gallatin County, Montana

    1. Confirm the parcel's exact jurisdiction (city/town limits vs. unincorporated county) using the county GIS/assessor parcel lookup, since a mailing address alone is not proof of city limits.
    2. Ask the relevant planning or zoning office whether short-term rental is a permitted use in the parcel's zoning district and request the code section number.
    3. Ask the permitting/licensing office (city, county, or both, per the layering above) what permit or registration is required before advertising, and request the current application checklist.
    4. Ask the state tax authority and the local finance/clerk's office which lodging, excise, or transient accommodations taxes apply, who is responsible for collection, and the filing schedule.
    5. Obtain and read the HOA, AOAO, or recorded deed restrictions for the specific unit — this office will not have those on file.
    6. Ask about inspection, life-safety, occupancy, and parking requirements specific to the parcel.
    7. Save the written answers with the date and the name of the official who gave them, and re-check annually since ordinances in this batch of jurisdictions have changed recently.

    Regulation research score

    How far the short-term-rental rules we confirmed from cited official sources for Big Sky / Gallatin County, Montana constrain an ordinary non-owner-occupied, whole-home short-term rental, expressed on a 0–100 burden scale built from 12 weighted criteria in two dimensions: market access and operating compliance. Higher means more constrained. It is not a legal conclusion, a permissiveness rating, a market rating, a measure of desirability, legality or profitability, and not investment advice.

    Moderate / structured· 40/100 (range 0–100)· Low confidence, provisional

    Short-term rentals are generally viable but sit inside a real compliance framework: permitting, inspections, operating standards, or localised zoning verification. This can mean a clearer path to compliance; it is not a recommendation, a rating, or an investment view.

    No major market-access constraint is documented here. The rules we confirmed are operating and compliance requirements, which are capped at the top of Moderate / structured — a jurisdiction never becomes high-burden for having permits, inspections, a local contact, taxes or nuisance rules. Access sub-score 0, operating sub-score 0.

    Based on 0% evidence coverage. 12 criteria are unresolved, so this is an observed floor: the plausible interval reaches 100 of 100. A low observed score here means "little confirmed", not "lightly regulated".

    Market access and eligibility · 0 of 100

    No prohibition, owner-occupancy mandate, cap, zoning exclusion or stay floor was confirmed in the official sources we reviewed. That is a research finding about eligibility only — it is not a statement that operating here is unrestricted or permitted.

    Operating and compliance · 0 of 100

    No operating requirement has been confirmed from an official source yet.

    Operating rules are weighted at 0.45, so compliance requirements alone cannot push a jurisdiction past Moderate / structured.

    Burden estimate
    40 of 100 · Moderate / structured
    Uncertainty interval
    0–100 of 100
    Evidence coverage
    0% · 0 of 12 criteria resolved
    Confidence
    Low — provisional
    Last reviewed

    Low confidence — provisional. Only 0% of the rubric is resolved against official sources. The observed estimate of 40 counts confirmed evidence only; unresolved criteria widen the interval upward to 100, a range that crosses more than one burden category. Treat it as indicative, not precise, and confirm directly with the jurisdiction.

    This range crosses more than one burden category (Minimal STR-specific burden located, Lower regulatory burden, Moderate / structured, High access constraints, Very high / effectively restricted). The single estimate above is indicative only — do not read it as a precise measurement of this jurisdiction's rules.

    No jurisdiction-specific ordinance text confirmed yet — official department links only. The score below is an observed lower bound with a wide interval, not a reading of this jurisdiction's code.

    Why this score

    Market-access findings are graded severe, major, moderate or none from the cited official claim itself; the most severe finding scores in full and each additional finding adds a quarter of its points, so correlated restrictions are never double-counted. The operating sub-score is a weighted count out of 100 and is multiplied by 0.45, which is why routine permitting, inspection, contact, tax and enforcement rules alone cannot exceed the Moderate / structured band. An unresolved criterion is never recorded as 'not required' and never scored as zero: it enters the central estimate at a quarter of its worst case and reaches its full worst case at the top of the published interval, but it can never release the gates that open the high-access or effectively-restricted bands — those read confirmed findings only. Every result therefore ships as estimate, interval, evidence coverage and confidence together.

    • Prohibition or closed entry25.00 pts (range 0–100 of 100)

      Not confirmed either way. It is never recorded as "not required" and never scored as zero: it enters the estimate at 25% of its worst case and widens the upper bound by up to 100 access points. It can never on its own move this jurisdiction into a higher-access band — those gates read confirmed findings only.

    • Owner-occupancy or primary residence25.00 pts (range 0–100 of 100)

      Not confirmed either way. It is never recorded as "not required" and never scored as zero: it enters the estimate at 25% of its worst case and widens the upper bound by up to 100 access points. It can never on its own move this jurisdiction into a higher-access band — those gates read confirmed findings only.

    • Zoning eligibility, caps, density or spacing16.25 pts (range 0–65 of 65)

      Not confirmed either way. It is never recorded as "not required" and never scored as zero: it enters the estimate at 25% of its worst case and widens the upper bound by up to 65 access points. It can never on its own move this jurisdiction into a higher-access band — those gates read confirmed findings only.

    • Minimum or maximum stay8.75 pts (range 0–35 of 35)

      Not confirmed either way. It is never recorded as "not required" and never scored as zero: it enters the estimate at 25% of its worst case and widens the upper bound by up to 35 access points. It can never on its own move this jurisdiction into a higher-access band — those gates read confirmed findings only.

    • Permit, licence, or registration5.50 pts (range 0–22 of 22)

      Not confirmed either way. It is never recorded as "not required" and never scored as zero: it enters the estimate at 25% of its worst case and widens the upper bound by up to 22 operating points. It can never on its own move this jurisdiction into a higher-access band — those gates read confirmed findings only.

    • Inspection or life-safety certification4.00 pts (range 0–16 of 16)

      Not confirmed either way. It is never recorded as "not required" and never scored as zero: it enters the estimate at 25% of its worst case and widens the upper bound by up to 16 operating points. It can never on its own move this jurisdiction into a higher-access band — those gates read confirmed findings only.

    • Occupancy and parking3.50 pts (range 0–14 of 14)

      Not confirmed either way. It is never recorded as "not required" and never scored as zero: it enters the estimate at 25% of its worst case and widens the upper bound by up to 14 operating points. It can never on its own move this jurisdiction into a higher-access band — those gates read confirmed findings only.

    • Enforcement and penalties3.50 pts (range 0–14 of 14)

      Not confirmed either way. It is never recorded as "not required" and never scored as zero: it enters the estimate at 25% of its worst case and widens the upper bound by up to 14 operating points. It can never on its own move this jurisdiction into a higher-access band — those gates read confirmed findings only.

    • Local responsible party3.00 pts (range 0–12 of 12)

      Not confirmed either way. It is never recorded as "not required" and never scored as zero: it enters the estimate at 25% of its worst case and widens the upper bound by up to 12 operating points. It can never on its own move this jurisdiction into a higher-access band — those gates read confirmed findings only.

    • Renewal or transfer2.50 pts (range 0–10 of 10)

      Not confirmed either way. It is never recorded as "not required" and never scored as zero: it enters the estimate at 25% of its worst case and widens the upper bound by up to 10 operating points. It can never on its own move this jurisdiction into a higher-access band — those gates read confirmed findings only.

    • Advertising and listing rules1.75 pts (range 0–7 of 7)

      Not confirmed either way. It is never recorded as "not required" and never scored as zero: it enters the estimate at 25% of its worst case and widens the upper bound by up to 7 operating points. It can never on its own move this jurisdiction into a higher-access band — those gates read confirmed findings only.

    • Lodging tax or fees1.25 pts (range 0–5 of 5)

      Not confirmed either way. It is never recorded as "not required" and never scored as zero: it enters the estimate at 25% of its worst case and widens the upper bound by up to 5 operating points. It can never on its own move this jurisdiction into a higher-access band — those gates read confirmed findings only.

    What we could not confirm — and what to ask

    We found no official source resolving these 12 criteria either way. They are not treated as “not required” and are not scored as zero. Confirm each one with the department listed below before you rely on it.

    • Prohibition or closed entry — unknown; could add 0–100 points.
    • Owner-occupancy or primary residence — unknown; could add 0–100 points.
    • Zoning eligibility, caps, density or spacing — unknown; could add 0–65 points.
    • Minimum or maximum stay — unknown; could add 0–35 points.
    • Permit, licence, or registration — unknown; could add 0–22 points.
    • Inspection or life-safety certification — unknown; could add 0–16 points.
    • Occupancy and parking — unknown; could add 0–14 points.
    • Enforcement and penalties — unknown; could add 0–14 points.
    • Local responsible party — unknown; could add 0–12 points.
    • Renewal or transfer — unknown; could add 0–10 points.
    • Advertising and listing rules — unknown; could add 0–7 points.
    • Lodging tax or fees — unknown; could add 0–5 points.

    The rubric

    • Prohibition or closed entryNot confirmed

      Does an official source prohibit short-term rentals outright, close the application window, or restrict eligibility so narrowly that most properties cannot qualify?

      Unknown. We have not found an official source either way. It is never recorded as “not required” and never scored as zero — it is carried through the estimate as an explicit range and should be confirmed with the jurisdiction.

    • Owner-occupancy or primary residenceNot confirmed

      Does an official source require the owner to occupy the property or hold it as a primary residence?

      Unknown. We have not found an official source either way. It is never recorded as “not required” and never scored as zero — it is carried through the estimate as an explicit range and should be confirmed with the jurisdiction.

    • Zoning eligibility, caps, density or spacingNot confirmed

      Does an official source restrict which zones short-term rentals may operate in, or cap, space, or ration how many may exist?

      Unknown. We have not found an official source either way. It is never recorded as “not required” and never scored as zero — it is carried through the estimate as an explicit range and should be confirmed with the jurisdiction.

    • Minimum or maximum stayNot confirmed

      Does an official source set a minimum night requirement or a maximum rental term?

      Unknown. We have not found an official source either way. It is never recorded as “not required” and never scored as zero — it is carried through the estimate as an explicit range and should be confirmed with the jurisdiction.

    • Permit, licence, or registrationNot confirmed

      Does an official source require a permit, licence, certificate, or registration before the property is advertised?

      Unknown. We have not found an official source either way. It is never recorded as “not required” and never scored as zero — it is carried through the estimate as an explicit range and should be confirmed with the jurisdiction.

    • Inspection or life-safety certificationNot confirmed

      Does an official source require an inspection, fire or building certification, or posted safety information?

      Unknown. We have not found an official source either way. It is never recorded as “not required” and never scored as zero — it is carried through the estimate as an explicit range and should be confirmed with the jurisdiction.

    • Occupancy and parkingNot confirmed

      Does an official source set an occupancy limit or an on-site parking requirement?

      Unknown. We have not found an official source either way. It is never recorded as “not required” and never scored as zero — it is carried through the estimate as an explicit range and should be confirmed with the jurisdiction.

    • Enforcement and penaltiesNot confirmed

      Does an official source publish penalties, suspension, revocation, or a complaint process for violations?

      Unknown. We have not found an official source either way. It is never recorded as “not required” and never scored as zero — it is carried through the estimate as an explicit range and should be confirmed with the jurisdiction.

    • Local responsible partyNot confirmed

      Does an official source require a named local contact who must respond within a set time?

      Unknown. We have not found an official source either way. It is never recorded as “not required” and never scored as zero — it is carried through the estimate as an explicit range and should be confirmed with the jurisdiction.

    • Renewal or transferNot confirmed

      Does an official source set a renewal cycle, or restrict transfer of the permit on sale?

      Unknown. We have not found an official source either way. It is never recorded as “not required” and never scored as zero — it is carried through the estimate as an explicit range and should be confirmed with the jurisdiction.

    • Advertising and listing rulesNot confirmed

      Does an official source govern how the property may be advertised — for example requiring the permit number in every listing?

      Unknown. We have not found an official source either way. It is never recorded as “not required” and never scored as zero — it is carried through the estimate as an explicit range and should be confirmed with the jurisdiction.

    • Lodging tax or feesNot confirmed

      Does an official source impose a lodging, excise, or permit fee obligation on the operator?

      Unknown. We have not found an official source either way. It is never recorded as “not required” and never scored as zero — it is carried through the estimate as an explicit range and should be confirmed with the jurisdiction.

    How the category is set on the 0–100 scale: 80+ reads very high / effectively restricted and requires a documented severe market-access trigger; 60–79 reads high access constraints and requires a documented major access constraint (or two moderate ones); 40–59 reads moderate / structured, which is the ceiling for jurisdictions whose confirmed rules are operating requirements only; 20–39 reads lower regulatory burden; below 20 reads minimal STR-specific burden located. A documented official-source search that resolves criteria and finds no short-term-rental-specific requirement reads “no local STR-specific regulation located in reviewed official sources” — which is not a statement that operating here is unrestricted, legal, or low-risk. Unconfirmed criteria never count as permissive. How to confirm the rest yourself.

    Who to ask in Big Sky / Gallatin County, Montana

    Department-level contact details as published on the jurisdiction’s own website. We do not publish individual staff contact information.

    • Gallatin County Planning & Community Development

      Zoning district determination and permitting for unincorporated Big Sky and Gallatin County parcels

      406-582-3130

      Published at this official page · checked

    • Montana Department of Revenue

      Lodging Facility Sales and Use Tax registration and filing

      Published at this official page · checked

    General research checklist (not Big Sky / Gallatin County, Montana specific)

    These are the categories short-term rental owners check anywhere in the US. They are general prompts, not this jurisdiction’s ordinance.

    Which layer of government actually applies
    Big Sky / Gallatin County, the county, and the Montana state government each administer separate rules, and a mailing address is not proof of which limits your parcel sits in. Confirm your parcel's jurisdiction with the county tax assessor's parcel/GIS lookup or the applicable planning department before relying on any single layer's requirements.
    Zoning eligibility
    Whether short-term rental is a permitted, conditional, or prohibited use depends on the parcel's specific zoning district. Confirm the district and its allowed uses with Big Sky / Gallatin County, Montana before relying on marketing material or a prior owner's use.
    Permit, licence, or registration
    Confirm with Big Sky / Gallatin County, Montana whether a permit, business licence, or registration certificate must be obtained and displayed before advertising or accepting a first booking, and what documentation and inspections it requires.
    Occupancy and parking
    Maximum overnight occupancy and required on-site parking counts are commonly tied to bedroom count or septic/well capacity and vary by parcel. Verify the current figures with Big Sky / Gallatin County, Montana.
    Local contact / complaint response
    Many jurisdictions require a locally reachable contact who can respond to a complaint within a set window. Confirm whether that applies here, and how it must be filed, with Big Sky / Gallatin County, Montana.
    Lodging, excise, or transient accommodations tax
    State and local lodging or accommodations taxes may be collected by the booking platform, by the operator, or split between the two, and collection agreements change. Confirm current registration and remittance responsibility with the relevant tax authority and your platform directly.
    Renewal, enforcement, and penalties
    Permits and registrations generally renew on a fixed cycle, and enforcement is often complaint-driven with escalating fines up to revocation. Confirm the current renewal term, fee, and penalty schedule with Big Sky / Gallatin County, Montana.
    HOA, condo association (AOAO), or deed restrictions
    Homeowners' association bylaws, condominium AOAO house rules, and recorded deed or subdivision covenants are private contracts, not government law — the city, county, or state agency listed here does not enforce or waive them. A parcel can be fully compliant with government permitting and still be barred from short-term rental by its association or deed. Get the current governing documents from the association or a title search before buying or listing, and confirm directly with the board.

    Confirm these directly — we could not verify them

    We publish gaps rather than guesses. The following were not confirmable from a current official source at our last review.

    • Needs confirmation — which government layer (city/town, county, or state land-use district) actually governs the parcel; do not rely on a mailing address alone.
    • Needs confirmation — whether the parcel's zoning district permits short-term rental as of right, requires a conditional-use or special permit, or excludes it outright.
    • Needs confirmation — current permit/registration process, required documents, and any application window status (open, paused, or waitlisted).
    • Needs confirmation — occupancy cap and on-site parking requirement for the specific parcel.
    • Needs confirmation — whether an owner-occupancy or primary-residence condition applies to any class of short-term rental here.
    • Needs confirmation — current local lodging/excise/transient-accommodations tax rate, registration ID requirement, and filing frequency.
    • Needs confirmation — HOA, AOAO, or recorded deed restrictions on the specific unit, which the government office will not have on file.
    • Needs confirmation — renewal cycle, transfer-on-sale rules, and penalty schedule published by Big Sky / Gallatin County, Montana.
    • Needs confirmation — whether the specific Big Sky parcel is in Gallatin or Madison County, since the two counties administer zoning separately; confirm with the county assessor's parcel lookup.
    • Needs confirmation — whether a Big Sky resort-area district tax or assessment applies in addition to the state lodging tax; the resort area's own governing entity, not the county, administers that separately and is not a government land-use authority.

    Official sources

    Government sources only. If a link has moved, go to the jurisdiction’s main site and search for short-term or vacation rentals.

    Change log

    • — Entry published as a research guide. Official city/county/state source links and department contact details checked; no jurisdiction-specific codified requirement is asserted here as verified — see confirmDirectly and the verification workflow.

    Operating a rental here?

    Compliance is the owner’s responsibility in every model, including ours. What a co-host can do is keep the listing, messaging, and pricing consistent with the rules you confirm.

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    Nearby jurisdictions

    Found a change in Big Sky / Gallatin County, Montana?

    Send the official link and we'll re-verify this entry. We'd rather correct it than leave a stale requirement up.

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