Bolthole Index

Boulder County, Colorado

Building permits, zoning and land rules in Town of Superior, Colorado

Town of Superior, Colorado requires building permits through the Town’s SAFEbuilt-operated Building Department and Community Core portal.1 Superior sets its own zoning; Boulder County Public Health regulates septic systems in the Boulder County portion of town.23 Private-property camping is limited to 48 hours in any 7-day period, even on your own land.4

At a glance

Building permits
Required for regulated building work; apply through Community Core1
Zoning
Town zoning and neighborhood-specific regulations apply25
Septic permits
Boulder County Public Health in the Boulder County portion of Superior36
Private-property camping
Own property or express written owner consent; maximum 48 hours in any 7-day period4
Accessory dwelling units
Allowed on qualifying lots, subject to size, setbacks, occupancy and utility standards78
Building permit fees
Valuation-based building permit fee plus a plan-review fee of 65% of that fee9

Who to call

Building permits

Town of Superior Building Division (SAFEbuilt)

Town building permits, plan review and inspections

303-381-2028

[email protected]

100 Superior Plaza Way, Suite 200

Online permits →

Zoning

Town of Superior Planning Division

Town zoning, land use and development review

303-499-3675 ext. 131

100 Superior Plaza Way, Suite 200

Septic permits

Boulder County Public Health SepticSmart Program

Onsite wastewater systems in the Boulder County portion of Superior

303-441-1564

3450 Broadway, Boulder, CO 80304

Contact details are copied from each office’s official page and were checked against it on October 10, 2026.

Off-grid gear

Going off-grid in Town of Superior means bringing your own water and power. The kit we’d start with:

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Do you need a building permit in Town of Superior, CO?

Superior requires building permits for regulated construction through its SAFEbuilt-operated Building Department, with electronic applications through Community Core.1 Superior’s listed building-permit projects include roofs, decks, fences, additions, remodels, structural repairs, replacement windows and mechanical equipment.1 Superior has adopted model building codes with local amendments in its Municipal Code; a zoning-compliant design must also satisfy the applicable building standards.102 Ask the Town Building Division whether your exact scope needs a building permit before ordering materials.11

Who handles building permits and zoning in Town of Superior?

Superior’s Building Division, operated by SAFEbuilt, issues building permits and reviews residential and commercial plans; the division also handles inspections and building safety.11 Superior’s Planning Division handles zoning and land-use regulation, so direct parcel-use and development questions to Town Planning rather than the county’s unincorporated-land office.12 The Town’s building permit fee depends on project valuation, and the additional plan-review fee is 65% of the building permit fee.9 New construction can also incur utility tap and system-development fees, so ask for the full project fee breakdown.9

Does Town of Superior have zoning, lot-size and setback rules?

Superior has town-wide and neighborhood zoning regulations, rather than a single rule for every residential parcel.2 Superior’s interactive land-use map includes zone districts and planned-development and final-development-plan documents; the zoning materials distinguish areas such as Original Town, Rock Creek Ranch, Downtown Superior and Sagamore.5 Start with the parcel’s district and applicable development documents, then ask Town Planning for the lot-size, height, setback and coverage standards for your proposed building.512 We could not confirm numeric minimum lot sizes or principal-building height limits across Superior; Town Planning is the office to ask for parcel-specific dimensions.12

How do septic permits work inside Town of Superior?

Boulder County Public Health regulates onsite wastewater treatment systems in the Boulder County portion of Superior; Town building approval does not replace that county septic review.36 Boulder County’s septic permit categories distinguish new construction, property improvements and repairs, including projects that add bedrooms or finish a basement.6 For permitted systems, county inspection requirements depend on the work and include site and final inspections for new construction.13 Ask SepticSmart which septic application and current design requirements fit your project.14 We could not confirm the septic authority for Superior’s Jefferson County portion; the Boulder County answer should not be applied there.3

Can you live in an RV or tiny home in Town of Superior?

Superior’s camping ordinance allows camping on your own private property, or another owner’s property with express written consent, for no more than 48 hours in any 7-day period.4 That short camping exception does not establish permission to occupy an RV throughout a home build.4 We could not confirm a separate town-wide tiny-home occupancy rule; ask Town Planning how the proposed structure and use would be classified.12 Superior does allow accessory dwelling units on lots that allow a single-unit or two-unit dwelling, subject to the ADU standards; a manufactured home may serve as an ADU, but a mobile home may not.7 Superior ADUs must connect to the principal dwelling’s water and wastewater utilities unless the Town or applicable district approves separate connections in writing.8

What are the steps to build a home in Town of Superior?

  1. Identify the parcel’s zoning and applicable development-plan documents, and discuss the intended home or ADU with Town Planning.512
  2. Submit the building-permit application and supporting plans electronically through Community Core, and pay the plan-review fee before review begins.15
  3. Complete Building, Planning and Zoning, Public Works and Fire Prevention reviews before the Town issues the building permit.15
  4. Arrange required building inspections; Superior’s residential insulation inspection takes place before wall coverings are installed.16
  5. Confirm permit-specific certificate-of-occupancy documents and finish required landscaping before occupancy approval for projects subject to the site-development landscape requirement.17

What should you check before buying land in Town of Superior?

Superior’s flood-hazard rules require new residential construction and substantial improvements in applicable special flood hazard areas to elevate the lowest floor, including the basement and attendant utility and sanitary facilities, at least 1 foot above base flood elevation.18 Ask Town Planning to identify the parcel’s flood constraints and development requirements before settling on a design.12 Superior regulates subdivisions and lot-line adjustments through its development application standards; do not assume a planned parcel split is already approved.19 For property outside Superior town limits, use the Boulder County guide for the county’s unincorporated-land building and zoning requirements.2021

Watch-outs

  • Superior’s private-property camping exception lasts no more than 48 hours in any 7-day period; owning the land does not remove the time limit.4
  • Boulder County Public Health’s septic authority here covers the Boulder County portion of Superior; we could not confirm the septic authority for the Jefferson County portion.3
  • Boulder County Public Health implemented updated onsite wastewater regulations on September 24, 2026 and says its online documentation is being updated; ask SepticSmart which requirements apply before designing a system.22
  • We could not confirm a general Superior owner-builder exemption, well-permit rule or off-grid sanitation option; ask Town Planning & Building about the proposed parcel and project.1112

Sources

  1. Permit Guidance (Town of Superior), quoted and re-checked
  2. Building Codes and Zoning Regulations (Town of Superior), quoted and re-checked
  3. Onsite Wastewater Treatment System Regulations and Application Forms (Town of Superior), quoted and re-checked
  4. Municipal Code Sec. 10-5-80 Camping prohibited (Town of Superior), quoted and re-checked
  5. Maps (Town of Superior), quoted and re-checked
  6. OWTS Permits and Fees, quoted and re-checked
  7. Municipal Code Sec. 16-6-160 Accessory dwelling units (Town of Superior), quoted and re-checked
  8. Municipal Code Sec. 16-6-160 Accessory dwelling units (Town of Superior), quoted and re-checked
  9. Permit Guidance (Town of Superior), quoted and re-checked
  10. Building Codes and Zoning Regulations (Town of Superior), quoted and re-checked
  11. Town of Superior Building Division (SAFEbuilt) (superiorcolorado.gov)
  12. Town of Superior Planning Division (superiorcolorado.gov)
  13. OWTS Permits and Fees, quoted and re-checked
  14. Boulder County Public Health SepticSmart Program (bouldercounty.gov)
  15. Permit Guidance (Town of Superior), quoted and re-checked
  16. Municipal Code Sec. 18-8-20 Amendments (Town of Superior), quoted and re-checked
  17. Municipal Code Sec. 16-11-40 Submittal requirements (Town of Superior), quoted and re-checked
  18. Municipal Code Sec. 15-3-20 Specific standards (Town of Superior), quoted and re-checked
  19. Superior Development Application Standards (Town of Superior), quoted and re-checked
  20. Building Permits (2026 county census)
  21. Land Use Code - Boulder County (2026 county census)
  22. Boulder County Public Health SepticSmart Regulation Updates (bouldercounty.gov)

Written October 10, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

Answers from the rulebook for Town of Superior

Town of Superior’s own rules

  • Building permitRequired

    Building work inside Superior town limits.

    • Applications and submittals are electronic through Community Core.
    • Approval by Building, Planning and Zoning, Public Works, and Fire Prevention must be completed before issuance.
    • Listed examples include roofs, decks, fences, additions, retaining walls over four feet, mechanical equipment, remodels, structural repairs, windows, and detached accessory structures over 120 square feet.
    “A building permit must be pulled through our permit portal, Community Core, through the Town's Building Department, which is operated by SAFEbuilt.”
  • Building code adoptedAdopted (with conditions)

    Construction inside Superior town limits.

    • Chapter 18 amendments apply to the listed model codes.
    • The Town website lists the 2024 IBC, IMC, IPC, IFC, IFGC, IRC, IECC-based Metro Cohort Model Code, IEBC, International Private Sewage Disposal Code, IPMC, and 2023 NEC.
    “See Chapter 18 of the Superior Municipal Code for amendments to the following adopted Codes:”
  • InspectionsRequired

    Residential structures regulated by the Town's adopted IRC.

    • An insulation inspection occurs after installation of wall, ceiling, and floor insulation and exterior windows, and before wall coverings are installed.
    • Other inspections may apply under the adopted codes and permit.
    “Inspection of the structure shall be made following installation of the wall, ceiling and floor insulation and exterior windows and before wall coverings are installed.”
  • Certificate of occupancyLimited

    Site development projects and permits requiring the listed landscape work inside Superior.

    • Landscape installation must be completed before issuance of a certificate of occupancy.
    • The Town's certificate-of-occupancy page states that documents may be required as determined by each specific building permit.
    “Landscape installation shall be completed prior to issuance of a certificate of occupancy.”
  • Local zoningPresent

    Land inside Superior town limits.

    • The Town publishes town-wide and neighborhood zoning regulations and maintains a zoning map.
    “Zoning Regulations [...] Neighborhood Zoning Regulations [...] Town-Wide Zoning Regulations”
  • Zoning districtsPublished

    Zoning districts and planned-development areas inside Superior town limits.

    • The Town publishes a downloadable zoning map and an interactive land-use map with zone districts, site-development, planned-development, and final-development-plan information.
    • The Town's zoning page lists neighborhood-specific regulations including Sagamore, Coal Creek Crossing, Downtown Superior, Rock Creek Ranch, Original Town R-L, Original Town R-M, Lanterns at Rock Creek, Calmante, and Montmere at Autrey Shores.
    “Land Use Map - An interactive map with helpful layers for planning, building and development such as parcel data, site development, planned development and final development plan documents, zone districts and more.”
  • Camping on your landLimited

    Camping on public or private property inside Superior town limits.

    • Camping is unlawful on public or private property unless the person is on their own private property or has express written owner consent.
    • The exception is limited to 48 hours or less in any seven-day period.
    • Daytime napping and picnicking are excluded from the definition of camping.

    maximum private-property camping duration: <= 48 hours (Only on the camper's private property or with express written consent.) · lookback period: 7 days

    “The prohibition set forth in Subsection (a) above shall not apply to a person camping on his or her own private property, or upon the private property of another with express written consent of the property owner, for forty-eight (48) hours or less in any seven-day period.”
  • Accessory dwellingsAllowed (with conditions)

    Accessory dwelling units on lots inside Superior that allow a single-unit or two-unit dwelling.

    • Only one ADU is permitted per single-unit or two-unit dwelling on a lot.
    • The ADU is limited by size, height, setbacks, lot coverage, owner-occupancy, utility, subdivision, and other standards in Sec. 16-6-160.
    • A mobile home may not be used as an ADU, but a manufactured home may be used as an ADU.

    maximum ADUs per qualifying dwelling: 1 per lot · maximum ADU size: 50% of principal dwelling area or 750 square feet, whichever is larger (The ADU may not exceed the principal dwelling's square footage.)

    “Accessory dwelling units are a permitted use on all lots that allow a single-unit or two-unit dwelling unit, including without limitation properties that are zoned Planned Development.”
  • Mandatory utility hookupWater and sewer (with conditions)

    Accessory dwelling units inside Superior town limits.

    • ADUs must connect to the principal dwelling's water and wastewater utilities.
    • Separate connections require written approval from the Town or applicable district.
    “ADUs shall be connected to the water and wastewater utilities of the principal dwelling unit and may not have separate connections, unless the Town or applicable district approves of separate connections in writing.”
  • Subdividing landRegulated (with conditions)

    Subdivision and related development applications inside Superior town limits.

    • The Town's standards identify final plats for major and minor subdivisions, resubdivision/lot-line adjustment, and subdivision exemption as application types.
    • Applications may require certificates, surveys, Planning Commission, Town Council, Town Clerk, or Town Manager approvals depending on type.
    “Final Plat (Major and Minor Subdivisions)”
  • Building in a floodplainRequired

    New construction and substantial improvements in Superior special flood hazard areas where base-flood-elevation data is provided.

    • Residential lowest floors, including basements, and attendant utility and sanitary facilities must be elevated one foot above BFE.
    • Elevation must be certified by a registered Colorado professional engineer, architect, or land surveyor.
    • Nonresidential, enclosure, manufactured/mobile-home, and recreational-vehicle standards also apply under the cited section.
    • Recreational vehicles in Zones A1-30, AH, and AE must either remain fewer than 90 consecutive days, be fully licensed and highway-ready, or meet permit, elevation, and anchoring requirements.

    residential elevation above BFE: >= 1 foot · RV maximum duration under temporary option: < 90 consecutive days (The RV must also be fully licensed and ready for highway use.)

    “New construction and substantial improvement of any residential structure shall have the lowest floor, including a basement, together with attendant utility and sanitary facilities, elevated to one (1) foot above the base flood elevation.”
  • Short-term rentalsLimited

    Short-term rentals inside Superior town limits.

    • All STRs require an approved Town license.
    • A standard license permits only one STR, requires the owner to be a Town resident, and expires October 31 or on title transfer, whichever occurs first.
    • A festival license applies only during declared special-event periods and is limited to 29 days per declared festival.
    • STRs must meet building, health, and safety standards, pay applicable fees and taxes, and are subject to inspection.

    standard STR application fee: 200 USD (Annual renewal fee is $100.) · festival STR maximum: <= 29 days per declared festival (The festival license applies only during the declared special-event period.) · maximum occupancy: two individuals per bedroom plus two additional individuals

    “All Short-Term Rentals (STRs) in the Town of Superior are required to have an approved License through the Town.”
  • Permit feesPublished (with conditions)

    Town building permits inside Superior town limits.

    • Building permit fees are based on project valuation and the fee schedule.
    • Plan review fee is 65% of the building permit fee.
    • Town and county use taxes are calculated on 50% of total project valuation.
    • Additional utility tap and system-development fees may apply to new building construction.

    plan review fee: 65 percent of building permit fee · Town use tax: 3.775 percent of 50% of total project valuation (The page labels this rate 2025.) · County use tax: 1.335 percent of 50% of total project valuation (The page labels this rate 2026.)

    “Plan Review Fee | 65% of Building Permit Fee (in addition to Building Permit Fee)”
  • Permit processPublished (with conditions)

    Building-permit applications inside Superior town limits.

    • Applications are submitted electronically through Community Core.
    • Plan-review fees must be paid before review begins.
    • Building, Planning and Zoning, Public Works, and Fire Prevention approvals are required before permit issuance.
    • Target review periods are 15 business days commercial, 10 business days residential, and 5 business days for resubmittals, beginning when the application is complete and fees are paid; targets may be delayed.
    “All permit applications and submittals must be submitted electronically through Community Core.”

Rules another office applies inside Town of Superior

Town of Superior does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Who permits septicCounty (with conditions)

    The Boulder County portion of Superior town limits.

    • Boulder County Public Health regulates OWTS in Boulder County.
    • This claim does not establish the rule-maker for the Jefferson County portion of Superior.
    “Onsite wastewater regulation is done at the local level. Boulder County Public Health (BCPH) regulations govern all onsite wastewater treatment systems (OWTS) in Boulder County.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Town of Superior or Boulder County directly.

  • Owner-builder exemption — Owner-builders performing construction inside Superior town limits.
  • Minimum dwelling size — Dwelling units inside Superior town limits.
  • Minimum lot size — Residential lots inside Superior town limits.
  • Building height — Principal buildings inside Superior town limits.
  • Tiny homes — Tiny-home occupancy inside Superior town limits.
5 more unanswered
  • Manufactured homes
  • Off-grid sanitation
  • Well permit
  • Agricultural exemption
  • Driveway access

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Unanswered questions are usually a sign that Town of Superior publishes no rule on the point, not that none exists. Boulder County’s page lists the county offices to call.

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