Updated : 04/22/2024

Overview

Allen, Texas, adopted the 2021 International Residential Code. Allen, TX, Land Development Code § 3.01 (adoption) and § 3.05 (amendments). Allen, Texas, adopted the 2021 International Building Code. Allen, TX, Land Development Code § 3.01 (adoption) and § 3.02 (amendments). Allen, Texas, adopted the 2021 International Existing Building Code. Allen, TX, Land Development Code § 3.01 (adoption) and § 3.03 (amendments).  

 

Helpful resources for Allen, Texas include the following.

• PLRB, Ordinance and Law Coverage Discussion for Texas

Residential Building Code

Texas adopted a model state residential code but it is not in force unless adopted locally.See PLRB, Texas Building Codes for more information on state level codes.

Allen adopted the 2021 IRC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.

You can find a copy of the model code here.

You can find information about amendments to the model code here.

Auto Search - beta:

2021 IRC(Allen, TX Sec. 3.01. - Adoption of building codes.)

...International Building Code, as published by the International Code Council, except as it may be in conflict with the provisions of another ordinance of the city and as amended by section 3.02. b. The 2021 edition of the International Existing Building Code, as published...

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Allen ? No
Citation: See Allen, TX, “Building Regulations.
Comments:

The adoption of the residential code included an amendment stating that ice barrier underlayment is not required at the eaves.

Ground Snow Load	Wind Speed (mph)	Topographic Effects	Special Wind Region	Wind-borne Debris Zone	Seismic Design Category	Damage from Weathering
5 lb/ft²	115 (3 sec-gust/76 fastest mile	No	No	No	A	Moderate

 

Damange from Frost Line Depth	Damage from Termite	Winter Design Temp	Ice Barrier Underlayment Required	Flood Hazards	Air Freezing Index	Mean Annual Temp
6"	Very Heavy	22ºF	No	Local Code	150	64.9ºF

See Allen, TX, “Building Regulations." 3919 Ordinance No. 22-06 (2022), pg. 55 and Allen, TX, Land Development Code § 3.05 (IRC amendments).

 

Comments

Allen, Texas, adopted the 2021 International Residential Code. Allen, TX, Land Development Code § 3.01 (adoption) and § 3.05 (amendments).

Existing Buildings

Existing buildings, meaning buildings that were built in accordance to code at the time of construction, typically merit extra consideration in a current updated code.

Allen, Texas, adopted the 2021 International Existing Building Code. Allen, TX, Land Development Code § 3.01 (adoption) and § 3.03 (amendments). 

Commercial Building Code

Allen adopted the 2021 IBC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.

You can find a copy of the code here.You can find information about amendments to the model code here.

Auto Search - beta:

See Muni. Code(Allen, TX Municipal Code)

...Adoption not found...

Comments

Allen, Texas, adopted the 2021 International Building Code. Allen, TX, Land Development Code § 3.01 (adoption) and § 3.02 (amendments). 

Existing Buildings

Allen, Texas, adopted the 2021 International Existing Building Code. Allen, TX, Land Development Code § 3.01 (adoption) and § 3.03 (amendments).  

 

Other Building Codes