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Home / Pennsylvania Permits / Allentown

Building Permits in Allentown, Pennsylvania

City in Lehigh County
Verified July 2026

Adopted Construction Codes

These are the state-level code editions for Pennsylvania. They apply in Allentownunless a verified local adoption or amendment is noted — in local-adoption states, confirm the city or county's own code editions with the building department.

CodeEditionAdoption
IBCInternational Building Code201834 Pa. Code § 403.21 (Uniform Construction Code), amended February 11, 2022, effective 2/14/2022: adopts the 2018 International Code series. PA L&I: "The revised regulations adopting the 2018 I Code series as reviewed and amended by the Review and Advisory Council (RAC) have an effective date of February 14, 2022." NOTE: the regulation additionally incorporates NARROW 2021 material — IBC 2021 Chapter 11 and Appendix E, and the accessibility provisions of the 2021 IPC and IEBC — and Commonwealth Court enjoined the 2021 accessibility provisions on 10/26/2022, leaving the 2018 accessibility standards in effect. This row records the whole-code edition (2018); the partial 2021 incorporations are not a 2021 adoption. · source ↗
IEBCInternational Existing Building Code201834 Pa. Code § 403.21 (Uniform Construction Code), amended February 11, 2022, effective 2/14/2022: adopts the 2018 International Code series. PA L&I: "The revised regulations adopting the 2018 I Code series as reviewed and amended by the Review and Advisory Council (RAC) have an effective date of February 14, 2022." NOTE: the regulation additionally incorporates NARROW 2021 material — IBC 2021 Chapter 11 and Appendix E, and the accessibility provisions of the 2021 IPC and IEBC — and Commonwealth Court enjoined the 2021 accessibility provisions on 10/26/2022, leaving the 2018 accessibility standards in effect. This row records the whole-code edition (2018); the partial 2021 incorporations are not a 2021 adoption. · source ↗
IECCInternational Energy Conservation Code201834 Pa. Code § 403.21 (Uniform Construction Code), amended February 11, 2022, effective 2/14/2022: adopts the 2018 International Code series. PA L&I: "The revised regulations adopting the 2018 I Code series as reviewed and amended by the Review and Advisory Council (RAC) have an effective date of February 14, 2022." NOTE: the regulation additionally incorporates NARROW 2021 material — IBC 2021 Chapter 11 and Appendix E, and the accessibility provisions of the 2021 IPC and IEBC — and Commonwealth Court enjoined the 2021 accessibility provisions on 10/26/2022, leaving the 2018 accessibility standards in effect. This row records the whole-code edition (2018); the partial 2021 incorporations are not a 2021 adoption. · source ↗
IFC201834 Pa. Code § 403.21 (Uniform Construction Code), amended February 11, 2022, effective 2/14/2022: adopts the 2018 International Code series. PA L&I: "The revised regulations adopting the 2018 I Code series as reviewed and amended by the Review and Advisory Council (RAC) have an effective date of February 14, 2022." NOTE: the regulation additionally incorporates NARROW 2021 material — IBC 2021 Chapter 11 and Appendix E, and the accessibility provisions of the 2021 IPC and IEBC — and Commonwealth Court enjoined the 2021 accessibility provisions on 10/26/2022, leaving the 2018 accessibility standards in effect. This row records the whole-code edition (2018); the partial 2021 incorporations are not a 2021 adoption. · source ↗
IFGCInternational Fuel Gas Code201834 Pa. Code § 403.21 (Uniform Construction Code), amended February 11, 2022, effective 2/14/2022: adopts the 2018 International Code series. PA L&I: "The revised regulations adopting the 2018 I Code series as reviewed and amended by the Review and Advisory Council (RAC) have an effective date of February 14, 2022." NOTE: the regulation additionally incorporates NARROW 2021 material — IBC 2021 Chapter 11 and Appendix E, and the accessibility provisions of the 2021 IPC and IEBC — and Commonwealth Court enjoined the 2021 accessibility provisions on 10/26/2022, leaving the 2018 accessibility standards in effect. This row records the whole-code edition (2018); the partial 2021 incorporations are not a 2021 adoption. · source ↗
IMCInternational Mechanical Code201834 Pa. Code § 403.21 (Uniform Construction Code), amended February 11, 2022, effective 2/14/2022: adopts the 2018 International Code series. PA L&I: "The revised regulations adopting the 2018 I Code series as reviewed and amended by the Review and Advisory Council (RAC) have an effective date of February 14, 2022." NOTE: the regulation additionally incorporates NARROW 2021 material — IBC 2021 Chapter 11 and Appendix E, and the accessibility provisions of the 2021 IPC and IEBC — and Commonwealth Court enjoined the 2021 accessibility provisions on 10/26/2022, leaving the 2018 accessibility standards in effect. This row records the whole-code edition (2018); the partial 2021 incorporations are not a 2021 adoption. · source ↗
IPCInternational Plumbing Code201834 Pa. Code § 403.21 (Uniform Construction Code), amended February 11, 2022, effective 2/14/2022: adopts the 2018 International Code series. PA L&I: "The revised regulations adopting the 2018 I Code series as reviewed and amended by the Review and Advisory Council (RAC) have an effective date of February 14, 2022." NOTE: the regulation additionally incorporates NARROW 2021 material — IBC 2021 Chapter 11 and Appendix E, and the accessibility provisions of the 2021 IPC and IEBC — and Commonwealth Court enjoined the 2021 accessibility provisions on 10/26/2022, leaving the 2018 accessibility standards in effect. This row records the whole-code edition (2018); the partial 2021 incorporations are not a 2021 adoption. · source ↗
IRCInternational Residential Code201834 Pa. Code § 403.21 (Uniform Construction Code), amended February 11, 2022, effective 2/14/2022: adopts the 2018 International Code series. PA L&I: "The revised regulations adopting the 2018 I Code series as reviewed and amended by the Review and Advisory Council (RAC) have an effective date of February 14, 2022." NOTE: the regulation additionally incorporates NARROW 2021 material — IBC 2021 Chapter 11 and Appendix E, and the accessibility provisions of the 2021 IPC and IEBC — and Commonwealth Court enjoined the 2021 accessibility provisions on 10/26/2022, leaving the 2018 accessibility standards in effect. This row records the whole-code edition (2018); the partial 2021 incorporations are not a 2021 adoption. · source ↗

Permit Requirements

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Building Department

Building department website ↗

Phone: 610-437-7592

Apply online — Allentown permit portal ↗

Permit fee schedule ↗ · fee schedule checked August 2026

Flat application fee plus plan review and inspection fees calculated as a percentage of total cost of work.

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