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Plumbing Permit in Lafayette, Colorado

Required for installation, alteration, or repair of plumbing systems in Lafayette, excluding minor exempt work (same-size/style fixture swaps, leak/stoppage repairs). Falls under the City's Quick Permit category when it excludes engineered plans (grouped with Mechanical as 'Plumbing and/or Mechanical'). Governed by the 2021 IPC as adopted. Plumbing contractors must hold a Colorado Plumbing Board (DORA) state license plus a City of Lafayette Plumbing License.

Verified 2026-07-05 · Source

When you need this permit

  • Quick Permit category covers 'Plumbing and/or Mechanical (excludes projects with engineered plans),' plus specifically listed Quick Permit items: Water Heaters, Water and Sewer Repairs
  • Same size and style replacement of a sink or toilet, and repair of leaks or stoppages in water or sewer piping, are exempt from permitting
  • Contractors must hold a current Colorado Plumbing Board (DORA) State Master License and State Contractor License, plus a City of Lafayette Plumbing License ($150 fee) Contractor
  • Governed by the 2021 IPC as adopted by the 2023 Lafayette Colorado Building Code

Required documents

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Fee schedule

Permit fee — valuation-based (Exhibit A Fee Schedule)Effective 1-1-26; Water Heater replacement is billed at the flat $100 fee listed for Residential AC/Furnace/Fence/Roof/Sewer Repair/Shed/Siding/Solar PV/Water Heater/Windows
$30.00 minimum, scaling per valuation tiers
Water Heater (flat fee)Exhibit A flat-fee category explicitly includes Water Heater
$100.00
Plumbing License (contractor)
$150
Plan Check Fee
65% of the Building Permit Fee (where plan review applies)

Review timeline

Plan reviewLafayette’s published plan-review target
2–2 business days

How long did your Plumbing Permit permit actually take in Lafayette?

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

Inspection process

  1. 1

    Rough Plumbing

    Pipe, drain, waste, and vent installation before concealment

  2. 2

    Final Inspection

    Fixtures connected, no leaks, proper venting verified

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

Tips

  • Water heater replacement is billed at a flat $100 fee (one of the Exhibit A flat-fee categories) rather than the general valuation-based schedule.
  • Repairing leaks or stoppages in existing water/sewer piping is exempt from permitting — but new sewer repair work involving relocated or new piping should be confirmed with the Building Department at 303-661-1451.

Frequently asked questions

Yes, water heater replacement requires a permit and is billed at a flat $100 fee; it qualifies as a Quick Permit with an estimated 2 business day processing time.

In Lafayette, the published Permit fee — valuation-based (Exhibit A Fee Schedule) is: $30.00 minimum, scaling per valuation tiers. Additional published fees: Water Heater (flat fee) — $100.00; Plumbing License (contractor) — $150; Plan Check Fee — 65% of the Building Permit Fee (where plan review applies). These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Lafayette's published plan-review target for a plumbing permit is 2–2 business days.

You'll need: Quick Permit Application (MyGov Online Portal); City of Lafayette Plumbing License. See the required-documents checklist on this page for details on each.

Lafayette requires 2 inspection(s) for a plumbing permit, in order: Rough Plumbing, Final Inspection. Schedule each through City of Lafayette Planning & Building Department, Building Division (303-661-1451).

Apply through City of Lafayette Planning & Building Department, Building Division at 1290 S. Public Road, Lafayette, CO 80026. Phone: 303-661-1451, email: buildingpermits@lafayetteco.gov. Office hours: City Hall public access hours Monday-Friday, 8am-5pm; Building staff available via phone/email during regular business hours. Main city line (303) 665-5588; Building Division direct line (303) 661-1451; Planning staff (303) 661-1270.. Official information: https://www.lafayetteco.gov/92/Planning-Building-Department.

Lafayette, Colorado has adopted: 2021 International Building Code (IBC) — adopted with an effective date of August 1, 2023, per the 2023 Lafayette Colorado Building Code. Source: City of Lafayette Building Code & Design Information page, https://www.lafayetteco.gov/361/Building-Code-Design-Information; 2021 International Residential Code (IRC) — adopted with the same August 1, 2023 effective date; includes a local amendment requiring Class 4 Impact Resistant Shingles (effective March 15, 2021) for reroofing. Source: same page as above; 2021 International Existing Building Code (IEBC); 2021 International Fire Code (IFC); 2021 International Energy Conservation Code (IECC) — includes local commercial low-slope roof reflectance/emittance requirements per IECC Section C402.3, Table C402.3; 2021 International Fuel Gas Code (IFGC); 2021 International Mechanical Code (IMC); 2021 International Plumbing Code (IPC); 2021 International Property Maintenance Code (IPMC); 2021 International Swimming Pool and Spa Code (ISPSC); 2023 National Electrical Code (NEC) — the City's live Solar Permit Application Process document states 'All work shall comply with the 2023 National Electric Code without amendments.' (re-grounded 2026-07-16 on a live primary source after the Solar Photovoltaic Plan Review and Inspections webpage that previously carried this quote was removed from the site). Source (PDF): https://www.lafayetteco.gov/DocumentCenter/View/17165/Lafayette-Solar--Permit-Process; 2023 Lafayette Colorado Building Code — the City's consolidated adoption document incorporating the 2021 I-Code package plus local strengthening amendments and the 2023 NEC; effective August 1, 2023. Source (PDF): https://www.lafayetteco.gov/DocumentCenter/View/36791/2023-Lafayette-Colorado-Building-Code-Final; Colorado Wildfire Resiliency Code — adopted statewide in 2025; applies within State-mapped low- or medium-risk wildfire areas in Lafayette (128 acres total: 44 acres of open space on the southeast edge of the city, 84 acres along the west side near Nyland Way and Brittney Lane). Requires non-combustible building materials for new construction in mapped areas and defines defensible-space/fuel-reduction guidelines within 30 feet of structures. Source: City of Lafayette Building Code & Design Information page, https://www.lafayetteco.gov/361/Building-Code-Design-Information. Local amendments apply — see the Lafayette overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-05.

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 Lafayette building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

Other permits in Lafayette

Residential Building Permit (New Single-Family / Two-Family / Multi-Family / Townhome)Residential Addition / Remodel PermitElectrical PermitMechanical / HVAC PermitRoofing Permit (Reroof)Solar Photovoltaic (PV) PermitEV Charger / EVSE PermitSolar Thermal PermitAccessory Dwelling Unit (ADU) PermitFence PermitDemolition Permit

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