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Sign Permit in Longmont, Colorado

The City of Longmont publishes a dedicated Sign Permits page with separate Permanent Sign Permit and Temporary Sign Permit applications, administered by Planning and Development Services (Development Services Center, 385 Kimbark Street). Temporary signs may be displayed for no more than 30 days in any calendar quarter, with a fee of $10.00 per quarter or $40.00 for the entire year. Permanent sign fee amounts were not independently confirmed during this review; a 'Permanent Sign Code Tips' brochure is also published.

Verified 2026-08-14 · Source

When you need this permit

  • Separate Permanent Sign Permit and Temporary Sign Permit applications, submitted to Planning and Development Services (Development Services Center, 385 Kimbark Street)
  • Temporary signs may be displayed for no more than 30 days in any calendar quarter
  • Sign standards regulate the number, size, placement, and to some extent design of signs in Longmont, per the City's own Sign Permits page
  • Contact Rebecca Ahlfinger (rebecca.ahlfinger@longmontcolorado.gov) for sign code questions, or Building Inspection (303-651-8332) for permanent sign permit fee calculations

Required documents

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Fee schedule

Temporary Sign Permit FeeCity of Longmont Sign Permits page / Temporary Sign Permit application
$10.00 per quarter, or $40.00 for the full year
Permanent Sign Permit FeeNot independently confirmed during this review; the City maintains a comprehensive Fee Manual referenced on its Permit Fees page. Contact Building Inspection (303-651-8332, building.inspection@longmontcolorado.gov) for a current fee quote.
Not published — contact the department

Review timeline

Plan review
Not published — contact the department

How long did your Sign Permit permit actually take in Longmont?

Anonymous — one question, no email. Answers are combined and only shown once at least 5 people have reported.

Inspection process

    See the full Longmont inspection guide — scheduling & re-inspection fees →

    Tips

    • Temporary signs in Longmont are capped at 30 days of display per calendar quarter, with the fee structured as $10/quarter or a flat $40/year if you need recurring temporary signage — budget the annual option if you'll display temporary signs more than 4 times a year.

    Frequently asked questions

    Longmont requires a sign permit for: Separate Permanent Sign Permit and Temporary Sign Permit applications, submitted to Planning and Development Services (Development Services Center, 385 Kimbark Street); Temporary signs may be displayed for no more than 30 days in any calendar quarter; Sign standards regulate the number, size, placement, and to some extent design of signs in Longmont, per the City's own Sign Permits page; Contact Rebecca Ahlfinger (rebecca.ahlfinger@longmontcolorado.gov) for sign code questions, or Building Inspection (303-651-8332) for permanent sign permit fee calculations. If your project isn't listed, confirm with City of Longmont — Building Services (Building Inspection Division), Development Services Center at (303) 651-8332 before starting work.

    $10.00 per quarter, or $40.00 for the entire year, per the City's Sign Permits page and Temporary Sign Permit application. Temporary signs may be displayed for no more than 30 days per calendar quarter. Permanent sign permit fees were not independently confirmed; contact Building Inspection (303-651-8332) for a quote.

    Longmont does not publish a plan-review timeline for this permit. Contact City of Longmont — Building Services (Building Inspection Division), Development Services Center at (303) 651-8332 for current turnaround.

    You'll need: Permanent Sign Permit Application; Temporary Sign Permit Application. Depending on your project, Longmont may also ask for: Permanent Sign Code Tips (brochure). See the required-documents checklist on this page for details on each.

    Apply through City of Longmont — Building Services (Building Inspection Division), Development Services Center at 385 Kimbark St., Longmont, CO 80501. Phone: (303) 651-8332, email: building.inspection@longmontcolorado.gov. Office hours: Mon–Fri, 8 a.m.–5 p.m. (closed Federal holidays, Veterans Day, and the day after Thanksgiving; Building Inspection closed 10–11 a.m. on the 2nd and 4th Thursday for staff training). Official information: https://longmontcolorado.gov/building-inspection/permits/.

    Longmont, Colorado has adopted: 2021 International Building Code (IBC) — adopted effective January 1, 2022; currently in force citywide; 2021 International Residential Code (IRC) — adopted effective January 1, 2022; currently in force citywide; 2021 International Energy Conservation Code (IECC) — adopted as part of the 2021 International Codes package effective January 1, 2022; 2021 International Fire Code (IFC) — adopted effective January 1, 2022; International Plumbing Code (IPC) and International Mechanical Code (IMC) / International Fuel Gas Code (IFGC) — adopted as part of the 2021 International Codes package effective January 1, 2022 (edition confirmed via Longmont's 2021 IBC/IRC Geographic Climatic Data Table; individual plumbing/mechanical/fuel-gas amendment ordinance text not independently re-verified beyond the city's codes-adoption page); 2023 National Electrical Code (NEC) — adopted with Longmont amendments, effective July 24, 2024; PENDING — NOT YET EFFECTIVE: 2024 International Codes plus the Colorado Energy Code Cohort's model amendments were scheduled for Longmont City Council consideration May 12, 2026, with an anticipated effective date of July 1, 2026. As of this extraction (lastVerified 2026-06-30), the City's own Building Code Update page still describes this as a pending/anticipated action, not a confirmed adopted-and-effective ordinance — DO NOT treat the 2024 codes as adopted until the city's codes page or Municode ordinance list confirms passage.. Local amendments apply — see the Longmont overview page for the full list.

    Sources & verification

    Verified against official sources. Last reviewed 2026-08-14.

    Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Longmont building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

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