This is PermitBase’s published record for Millcreek as of 2026-06-30. It has since been superseded — see the current record. A historical record reflects what PermitBase had verified at that time; it may not capture a real-world change the jurisdiction had made but PermitBase had not yet verified, and it includes any errors we later corrected. Snapshots are never edited retroactively.
Millcreek building permits
VerifiedMillcreek, Utah — as published 2026-06-30.
Verified 2026-06-30 · Source
Codes adopted
2021 International Building Code (IBC), including Appendices C and J — millcreekut.gov/165/Building-Services; Utah Code § 15A-2-103(1)(a); effective through June 30, 20262021 International Residential Code (IRC), including Appendix AQ (Tiny Houses) — millcreekut.gov/165/Building-Services; Utah Code § 15A-2-103(1)(b); continues in force after July 1, 20262021 International Plumbing Code (IPC) — millcreekut.gov/165/Building-Services; Utah Code § 15A-2-103(1)(d); effective through June 30, 20262021 International Mechanical Code (IMC) — millcreekut.gov/165/Building-Services; Utah Code § 15A-2-103(1)(e); effective through June 30, 20262021 International Fuel Gas Code (IFGC) — millcreekut.gov/165/Building-Services; Utah Code § 15A-2-103(1)(f); effective through June 30, 20262023 National Electrical Code (NEC) — Utah Code § 15A-2-103(1)(g) (Millcreek's building services page referenced 2020 NEC as of 2026-06-30, but the 2023 NEC supersedes it statewide per § 15A-2-103(1)(g))2015 International Energy Conservation Code (IECC), residential provisions — millcreekut.gov/165/Building-Services explicitly cites 2015 IECC for residential; effective through June 30, 20262021 International Energy Conservation Code (IECC), commercial provisions — millcreekut.gov/165/Building-Services; Utah Code § 15A-2-103(1)(h); effective through June 30, 20262021 International Existing Building Code (IEBC) — millcreekut.gov/165/Building-Services; Utah Code § 15A-2-103(1)(i); effective through June 30, 20262021 International Swimming Pool and Spa Code (ISPSC), residential provisions — millcreekut.gov/165/Building-Services; Utah Code § 15A-2-103(1)(n); effective through June 30, 20262006 International Wildland-Urban Interface Code (IWUIC) — millcreekut.gov/165/Building-Services; applies to Foothills/Canyons Overlay Zone propertiesNOTE: Effective July 1, 2026 — 2024 editions of IBC, IPC, IMC, IFGC, IECC, IEBC, and ISPSC replace the 2021 editions per Utah Code § 15A-2-103 (version effective 7/1/2026)
Permit types & fees
Residential Building Permit
VerifiedRequired for new residential construction, additions, structural alterations, and work requiring plan review in Millcreek. Governed by the 2021 International Residential Code (IRC) and 2021 International Building Code (IBC) as adopted by Utah Code § 15A-2-103. The 2024 IBC takes effect July 1, 2026 for commercial construction; 2021 IRC continues for residential.
Verified 2026-06-30 · Source
Requirements
- New single-family, two-family, or townhome construction
- Residential additions or structural modifications
- Conversion of non-habitable space to habitable space
- Any work requiring plan review under Millcreek Municipal Code § 15-08-030
Required documents
- RequiredBuilding Permit Application (iWorQ portal)Submit via millcreekpermit.portal.iworq.net — include total project cost (market value of labor and materials) per MKC § 15-08-030.
- RequiredConstruction PlansComplete drawings to scale — site plan, floor plans, elevations, sections, structural details, and code analysis (applicable codes, use, square footage). Required per MKZ 19.02.080 and Millcreek 1,2-Family Dwelling and Townhome Requirements.
- RequiredEnergy Code ComplianceShow R-values of slab, walls, floors, and ceiling; window U-factors. Prescriptive requirements or REScheck to verify R-values and U-factors per Millcreek Required Inspections guide.
- RequiredContractor Information Sheet or Owner/Builder CertificationAvailable at millcreekut.gov/DocumentCenter/View/140/Owner-Builder-Certification-PDF or millcreekut.gov/DocumentCenter/View/376/Millcreek-Contractor-Information-PDF.
- OptionalMechanical Plans with Manual J/D/SLocation of furnace, supply/return duct layout, combustion air location; Manual J/D/S may be required to verify equipment sizing per Millcreek 1,2-Family Dwelling Requirements guide.
- OptionalStructural CalculationsSealed by a licensed Utah PE for projects requiring engineered design.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit — valuation up to $2,000 | $76.50 | Millcreek FY25 Consolidated Fee Schedule, Item 30, MKC § 15-08-030 (dated 8/12/2024) |
| Building Permit — valuation $2,001–$25,000 | $76.50 for the first $2,000, plus $16.50 for each additional $1,000 or fraction thereof, up to and including $25,000 | Millcreek FY25 Consolidated Fee Schedule, Item 31, MKC § 15-08-030 |
| Building Permit — valuation $25,001–$50,000 | $456 for the first $25,000, plus $12 for each additional $1,000 or fraction thereof, up to and including $50,000 | Millcreek FY25 Consolidated Fee Schedule, Item 32, MKC § 15-08-030 |
| Building Permit — valuation $50,001–$100,000 | $765 for the first $50,000, plus $8.50 for each additional $1,000 or fraction thereof, up to and including $100,000 | Millcreek FY25 Consolidated Fee Schedule, Item 33, MKC § 15-08-030 |
| Building Permit — valuation $100,001–$500,000 | $1,181 for the first $100,000, plus $6.50 for each additional $1,000 or fraction thereof, up to and including $500,000 | Millcreek FY25 Consolidated Fee Schedule, Item 34, MKC § 15-08-030 |
| Building Permit — valuation $500,001–$1,000,000 | $3,781 for the first $500,000, plus $5.50 for each additional $1,000 or fraction thereof, up to and including $1,000,000 | Millcreek FY25 Consolidated Fee Schedule, Item 35, MKC § 15-08-030 |
| Building Permit — valuation over $1,000,000 | $6,531 for the first $1,000,000, plus $4.50 for each additional $1,000 or fraction thereof | Millcreek FY25 Consolidated Fee Schedule, Item 36, MKC § 15-08-030 |
| Plan Review Fee (Residential) | 40% of building permit fee | Millcreek FY25 Consolidated Fee Schedule, Item 19, MKC § 15-08-030 |
| Plan Review Fee (Commercial / FCOZ) | 65% of building permit fee | Millcreek FY25 Consolidated Fee Schedule, Items 20–21, MKC § 15-08-030 |
| Re-Inspection Fee | $75 per occurrence | Millcreek FY25 Consolidated Fee Schedule, Item 23, MKC § 15-08-040 |
| State Surcharge | 1% of building permit fee | Millcreek FY25 Consolidated Fee Schedule, Item 29, MKC § 15-08-040 — applies to all permits |
Electrical Permit
VerifiedRequired for electrical work in Millcreek including new circuits, panel upgrades, service changes, and new construction wiring. Governed by the 2023 National Electrical Code (NEC) statewide per Utah Code § 15A-2-103(1)(g).
Verified 2026-06-30 · Source
Requirements
- New electrical circuits or wiring installations
- Electrical panel upgrades or replacements
- Service entrance changes
- Adding or relocating outlets, switches, or fixtures
- Generator or solar panel electrical connections
Required documents
- RequiredBuilding Permit Application (iWorQ portal)Submit via millcreekpermit.portal.iworq.net.
- OptionalElectrical Single-Line DiagramRequired for service upgrades and new construction — panel schedule, circuit layout, and load calculations per NEC Article 220.
- OptionalContractor LicenseValid Utah electrical contractor license (Utah DOPL) for work not performed by the homeowner/owner-builder.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Electrical Permit Base Fee | $70 | Millcreek FY25 Consolidated Fee Schedule, Item 3, MKC § 15-16-020 (dated 8/12/2024). Covers circuit, electrical service charge, power to panel, temporary panel. |
| Additional Appliance or Fixture | $20 per additional item | Millcreek FY25 Consolidated Fee Schedule, Item 4, MKC § 15-16-020 |
| Re-Inspection Fee | $75 per occurrence | Millcreek FY25 Consolidated Fee Schedule, Item 23, MKC § 15-08-040 |
| State Surcharge | 1% of permit fee | Millcreek FY25 Consolidated Fee Schedule, Item 29, MKC § 15-08-040 |
Plumbing Permit
VerifiedRequired for plumbing installations, alterations, and repairs in Millcreek including water heaters, re-pipes, and fixture additions. Governed by the 2021 International Plumbing Code (IPC) as adopted by Utah Code § 15A-2-103 (2024 IPC effective July 1, 2026).
Verified 2026-06-30 · Source
Requirements
- New plumbing fixture installations (sinks, toilets, showers)
- Water heater installation or replacement
- Water line or sewer line replacement or extension
- Gas line installation or modification
- Backflow prevention device installation
Required documents
- RequiredBuilding Permit Application (iWorQ portal)Submit via millcreekpermit.portal.iworq.net.
- OptionalPlumbing PlanLocation of water heater, all plumbing fixtures, shut-off valves, and floor drains; gas line diagram. Required per Millcreek 1,2-Family Dwelling Requirements guide.
- OptionalGas Line DiagramRequired when gas line work is involved — verify sizing. See Millcreek Gas Line Schematic Example at millcreekut.gov/DocumentCenter/View/2357/Gas-Line-Schematic-Example.
- OptionalContractor LicenseValid Utah plumbing contractor license (Utah DOPL) for work not performed by homeowner/owner-builder.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Plumbing Permit Base Fee | $70 | Millcreek FY25 Consolidated Fee Schedule, Item 3, MKC § 15-16-020 (dated 8/12/2024). Covers water heater, re-pipe, and similar plumbing scopes. |
| Additional Appliance or Fixture | $20 per additional item | Millcreek FY25 Consolidated Fee Schedule, Item 4, MKC § 15-16-020 |
| Re-Inspection Fee | $75 per occurrence | Millcreek FY25 Consolidated Fee Schedule, Item 23, MKC § 15-08-040 |
| State Surcharge | 1% of permit fee | Millcreek FY25 Consolidated Fee Schedule, Item 29, MKC § 15-08-040 |
Mechanical / HVAC Permit
VerifiedRequired for heating, ventilation, and air conditioning installations, replacements, and ductwork modifications in Millcreek. Governed by the 2021 International Mechanical Code (IMC) as adopted by Utah Code § 15A-2-103 (2024 IMC effective July 1, 2026).
Verified 2026-06-30 · Source
Requirements
- Furnace or boiler installation or replacement
- Air conditioning system installation or replacement
- Ductwork installation or major modification
- Evaporative cooler installation
- Fireplace or gas appliance installation (may also trigger gas line inspection)
Required documents
- RequiredBuilding Permit Application (iWorQ portal)Submit via millcreekpermit.portal.iworq.net.
- OptionalEquipment SpecificationsManufacturer data sheets for furnace, AC, heat pump, or evaporative cooler.
- OptionalMechanical Plans with Manual J/D/SLocation of furnace, supply/return duct layout, combustion air location. Manual J/D/S may be required to verify equipment sizing per Millcreek Required Inspections guide.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Mechanical Permit Base Fee | $70 | Millcreek FY25 Consolidated Fee Schedule, Item 3, MKC § 15-16-020 (dated 8/12/2024). Covers furnace/AC, ductwork. |
| Additional Appliance | $20 per additional item | Millcreek FY25 Consolidated Fee Schedule, Item 4, MKC § 15-16-020 |
| Re-Inspection Fee | $75 per occurrence | Millcreek FY25 Consolidated Fee Schedule, Item 23, MKC § 15-08-040 |
| State Surcharge | 1% of permit fee | Millcreek FY25 Consolidated Fee Schedule, Item 29, MKC § 15-08-040 |
Roofing Permit
VerifiedRequired for residential roof replacement (re-roof) in Millcreek. The FY25 fee schedule lists a flat $70 residential re-roof fee, distinct from the standard ICC valuation-based building permit fee.
Verified 2026-06-30 · Source
Requirements
- Complete roof replacement (tear-off and re-roof)
- Overlay of new roofing over existing (where allowed by the 2021 IRC)
- Structural roof repairs or modifications
Required documents
- RequiredBuilding Permit Application (iWorQ portal)Submit via millcreekpermit.portal.iworq.net — include total project cost.
- OptionalContractor LicenseValid Utah roofing/contractor license (Utah DOPL) for work not performed by the homeowner.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Residential Re-Roof Permit | $70 | Millcreek FY25 Consolidated Fee Schedule, Item 11 (Re-roof, Residential), MKC § 15-08-030 (dated 8/12/2024) |
| Commercial Re-Roof — $1–$9,999 | $150 | Millcreek FY25 Consolidated Fee Schedule, Item 12, MKC § 15-08-030 |
| Commercial Re-Roof — $10,000–$49,999 | $300 | Millcreek FY25 Consolidated Fee Schedule, Item 13, MKC § 15-08-030 |
| Commercial Re-Roof — $50,000 and up | $500 | Millcreek FY25 Consolidated Fee Schedule, Item 14, MKC § 15-08-030 |
| Re-Inspection Fee | $75 per occurrence | Millcreek FY25 Consolidated Fee Schedule, Item 23, MKC § 15-08-040 |
| State Surcharge | 1% of permit fee | Millcreek FY25 Consolidated Fee Schedule, Item 29, MKC § 15-08-040 |
Solar Panel Permit
VerifiedRequired for installation of rooftop or ground-mounted solar photovoltaic (PV) systems in Millcreek. The FY25 fee schedule lists a flat $70 base permit fee plus a $30 per-kW fee and a $100 plan review fee. The 2021 IRC and 2023 NEC govern the installation.
Verified 2026-06-30 · Source
Requirements
- Rooftop solar panel installation
- Ground-mounted solar array installation
- Battery storage system installation
- Electrical service upgrade for solar interconnection
Required documents
- RequiredBuilding Permit Application (iWorQ portal)Submit via millcreekpermit.portal.iworq.net — note total project cost.
- RequiredSolar Site Plan / Roof PlanScaled site plan noting setbacks from roof ridge and eave (fire setbacks), direction of north, utility locations. Scale of 1"=10' is typical. Required per Millcreek Rooftop Solar PV Requirements guide.
- RequiredElectrical One-Line DiagramDetailed one-line diagram showing PV system type, number and layout of modules, all wire types and sizes, conduit types and sizes, grounding wiring, locations of all circuits and components, and ratings of all fuses or breakers. Required per Millcreek Rooftop Solar PV Requirements guide.
- RequiredMounting System / Structural ApprovalDetailed mounting system information, module weight, support manufacturer specs for local wind and snow loads. Letter from a structural engineer approving the new PV system on the existing roof. Required per Millcreek Rooftop Solar PV Requirements guide.
- RequiredModule and Inverter Specification SheetsPV module spec sheets (STC rated Pmp, Vmp, Imp, Voc, Isc; UL 1703 listed). Inverter spec sheets (watts, volts, max AC output amps; UL 1741 listed for utility-tied inverters). Required per Millcreek Rooftop Solar PV Requirements guide.
- OptionalInterconnection AgreementUtility approval for grid-tied systems (Rocky Mountain Power).
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Base Solar Permit | $70 | Millcreek FY25 Consolidated Fee Schedule, Item 8 (Base Solar Permit, charged with KWA fee), MKC § 15-08-030 (dated 8/12/2024) |
| KWA Fee (per kW, in addition to base permit) | $30 per kW | Millcreek FY25 Consolidated Fee Schedule, Item 9, MKC § 15-08-030 |
| Plan Review Fee (Solar) | $100 flat | Millcreek FY25 Consolidated Fee Schedule, Item 10, MKC § 15-08-030 |
| Re-Inspection Fee | $75 per occurrence | Millcreek FY25 Consolidated Fee Schedule, Item 23, MKC § 15-08-040 |
| State Surcharge | 1% of permit fee | Millcreek FY25 Consolidated Fee Schedule, Item 29, MKC § 15-08-040 |
Water Heater Permit
VerifiedRequired for water heater installation, replacement, or conversion (tank to tankless) in Millcreek. Processed as a plumbing permit under MKC § 15-16-020. The FY25 fee schedule explicitly lists 'Water Heater' as a covered MEP item under the $70 base fee.
Verified 2026-06-30 · Source
Requirements
- Water heater replacement (including like-for-like swaps)
- New water heater installation
- Conversion from tank to tankless water heater
- Gas line modification for water heater
Required documents
- RequiredBuilding Permit Application (iWorQ portal)Submit via millcreekpermit.portal.iworq.net.
- OptionalGas Line DiagramRequired if gas line work is involved. See Millcreek Gas Line Schematic Example at millcreekut.gov/DocumentCenter/View/2357/Gas-Line-Schematic-Example.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Plumbing Permit Base Fee (covers water heater) | $70 | Millcreek FY25 Consolidated Fee Schedule, Item 3, MKC § 15-16-020 (dated 8/12/2024). Fee schedule explicitly lists 'Water Heater' as one of the MEP permit types covered by the $70 base fee. |
| Additional Appliance (e.g., second water heater) | $20 per additional item | Millcreek FY25 Consolidated Fee Schedule, Item 4, MKC § 15-16-020 |
| Re-Inspection Fee | $75 per occurrence | Millcreek FY25 Consolidated Fee Schedule, Item 23, MKC § 15-08-040 |
| State Surcharge | 1% of permit fee | Millcreek FY25 Consolidated Fee Schedule, Item 29, MKC § 15-08-040 |
Demolition Permit
VerifiedRequired for partial or complete demolition of structures in Millcreek. Permit fee is valuation-based using the ICC Building Valuation Data. DEQ asbestos and lead paint requirements apply per Utah DEQ and federal NESHAP regulations.
Verified 2026-07-01 · Source
Requirements
- Complete demolition of any structure
- Partial demolition involving structural elements
- Demolition of structures with potential asbestos or lead paint
Required documents
- RequiredDemolition Permit Application (iWorQ portal)Submit via millcreekpermit.portal.iworq.net. See Millcreek Demolition Permit Requirements checklist at millcreekut.gov/DocumentCenter/View/2362/Demolition-Permit-Requirements.
- RequiredUtility Disconnect ConfirmationGas, electric, water, and sewer must be disconnected prior to demolition.
- OptionalAsbestos / Hazardous Materials ComplianceFederal NESHAP asbestos inspection may be required before demolition of applicable structures. See Utah DEQ Asbestos Program (deq.utah.gov/air-quality/atlas-air-toxics-lead-and-asbestos-section/asbestos-program) and DEQ Lead Based Paint Program linked from Millcreek's building services page.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Demolition Permit | Based on ICC Building Valuation Data (same valuation table as building permit — Items 30–36 of FY25 fee schedule: $76.50 minimum up to $2,000 valuation) | Millcreek FY25 Consolidated Fee Schedule, Item 2, MKC § 15-08-030 (dated 8/12/2024) — PDF confirms verbatim: "Demolition Permit ... 15-08-030 ... Based on current ICC Valuation Table," the identical valuation-based fee structure as the Building Permit (Item 1). Grounded/verified per valuation-based-fee rule. |
| Re-Inspection Fee | $75 per occurrence | Millcreek FY25 Consolidated Fee Schedule, Item 23, MKC § 15-08-040 |
| State Surcharge | 1% of permit fee | Millcreek FY25 Consolidated Fee Schedule, Item 29, MKC § 15-08-040 |
Window and Door Replacement Permit
VerifiedRequired for replacement of windows and doors (residential, replacement only with no other structural work) in Millcreek. The FY25 fee schedule lists a flat $70 residential window/door replacement-only fee.
Verified 2026-06-30 · Source
Requirements
- Replacement of existing windows or doors in the same opening (residential, no other structural work)
Required documents
- RequiredBuilding Permit Application (iWorQ portal)Submit via millcreekpermit.portal.iworq.net.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Window and Door Permit (Residential — replacement only, no other work) | $70 | Millcreek FY25 Consolidated Fee Schedule, Item 15, MKC § 15-08-030 (dated 8/12/2024) |
| Window and Door Permit (Commercial) | Based on ICC valuation table | Millcreek FY25 Consolidated Fee Schedule, Item 16, MKC § 15-08-030 |
| Re-Inspection Fee | $75 per occurrence | Millcreek FY25 Consolidated Fee Schedule, Item 23, MKC § 15-08-040 |
| State Surcharge | 1% of permit fee | Millcreek FY25 Consolidated Fee Schedule, Item 29, MKC § 15-08-040 |
Sources & verification
Verified against official sources. Last reviewed 2026-06-30.
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 Millcreek building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.