What the Gallatin zoning ordinance says about lot coverage, district by district. Section numbers link to the official ordinance.
Maximum zone lot coverage for all structures, including accessory structures, is 10 percent of total lot area; maximum floor area ratio is 0.11 (§06.02). Barns, sheds, silos, and other buildings used exclusively for agriculture are exempt from the bulk regulations.
Maximum zone lot coverage for all structures, including accessory structures, is 15 percent of total lot area; maximum floor area ratio is 0.15 (§06.03). Barns, sheds, silos, and other buildings used exclusively for agriculture are exempt from the bulk regulations.
Maximum zone lot coverage for all structures, including accessory structures, is 20 percent of total lot area; maximum floor area ratio is 0.20 (§06.04). Barns, sheds, silos, and other buildings used exclusively for agriculture are exempt from the bulk regulations.
Maximum zone lot coverage for all structures, including accessory structures, is 35 percent of total lot area; maximum floor area ratio is 0.24 (§06.05). Barns, sheds, silos, and other buildings used exclusively for agriculture are exempt from the bulk regulations.
Maximum zone lot coverage for all structures, including accessory structures, is 40 percent of total lot area; maximum floor area ratio is 0.32 (§06.06). Barns, sheds, silos, and other buildings used exclusively for agriculture are exempt from the bulk regulations.
Maximum zone lot coverage for all structures, including accessory structures, is no percentage cap stated; FAR controls of total lot area; maximum floor area ratio is 0.40 (§06.07). Barns, sheds, silos, and other buildings used exclusively for agriculture are exempt from the bulk regulations.
Maximum zone lot coverage for all structures, including accessory structures, is no percentage cap stated; FAR controls of total lot area; maximum floor area ratio is 1.0 (§06.08). Barns, sheds, silos, and other buildings used exclusively for agriculture are exempt from the bulk regulations.
Maximum lot coverage in CC is 100 percent; maximum floor area ratio is 5.0 (§08.01.020). All open areas not used for driveways, sidewalks, or parking must be landscaped (§08.01.040).
Maximum lot coverage in CG is 50 percent; maximum floor area ratio is 2.0 (§08.03.020).
Maximum lot coverage in CS is 40 percent; maximum floor area ratio is 0.5 (§08.02.020).
Maximum lot coverage in CSL is 40 percent (§08.08.020.A).
OR non-residential: maximum FAR 1.0; maximum building coverage printed as “0.5 percent” in §07.08.030; an apparent misprint (the parallel MU provision reads 50 percent). *[Flag 2026-07-03: value as printed is ambiguous; treat as 0.5 (50 percent) only after confirming with Planning staff.]*
MRO non-residential maximum floor area ratio is 0.5 (§07.02.030). No separate lot-coverage percentage is stated for MRO; landscaping, parking, and bufferyard standards shape the buildable area.
§07.06.020 prints two pairs of limits with no stated conditions: coverage 40 percent with FAR 1.0 (items A–B) and coverage 75 percent with FAR 3.0 (items C–D). *[Flag 2026-07-03: verified against the page image; the ordinance text itself is ambiguous about when each pair applies; ask Planning which set governs a given proposal.]*
MU non-residential: maximum FAR 1.0, maximum building coverage 50 percent (§07.03.30).
Maximum lot coverage in MUG is 40 percent; maximum floor area ratio is 0.50 (§07.04.020).
Maximum lot coverage in PNC is 50 percent; maximum floor area ratio is 0.35 (§08.05.040.A, verified against the page image).
Maximum lot coverage in PGC is 50 percent; maximum floor area ratio is 1.0 (§08.04.040.A).
Total floor area ratio of all buildings within a PBP district may not exceed 0.50 (§09.04.D); 15 percent of gross land area must remain common open space.
Maximum lot coverage in IR is 50 percent (§09.02.020.A). Storage areas must be surfaced, graded, and drained (§09.02.050.D).
Maximum lot coverage in IG is 50 percent (§09.03.020.A). Storage areas must be surfaced, graded, and drained (§09.03.050.D).
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