Updated : 04/22/2024

Overview

Lone Tree, CO adopts the following codes:

• The International Building Code, 2021 edition. Lone Tree, CO Muni. Code § 18-2-20 (adopted) with amendments at § 18-2-40.
• The International Residential Code, 2021 edition. Lone Tree, CO Muni. Code § 18-3-20 (adopted) with amendments at § 18-3-40.

Helpful resources for Lone Tree, Colorado include the following.

• PLRB, Ordinance and Law Coverage Discussion for Colorado

Residential Building Code

Colorado has yet to adopt a statewide residential code. Local laws will control.See PLRB, Colorado Building Codes for more information on state level codes.

Lone Tree 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.

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2021 IRC(Lone Tree, CO Sec. 18-3-20. - Adoption by Reference.)

...The International Residential Code, 2021 Edition, as published by the International Code Council, Inc., 4051 W. Flossmoor Road, Country Club Hills, IL 60478, is hereby adopted by reference and incorporated into this Article as though fully set forth herein as the residential code of the City. Except as otherwise provided...

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Lone Tree ? No
Citation: Lone Tree, CO Muni. Code § 18-3-40.
Municipal Code https://library.municode.com/co/lone_tree/codes/municipal_code?nodeId=CH18BURE_ARTIIIRECO_S18-3-40AM
Comments:

TABLE R301.2(1)
CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA

GROUND SNOW LOAD:	30
WIND SPEED:	115 (V ult ) mph Exposure C
SEISMIC DESIGN CATEGORY:	B
SUBJECT TO DAMAGE FROM:
Weathering	Severe
Frost line depth	36"
Termite	Slight to Moderate
WINTER DESIGN TEMP:	-3°F
ICE BARRIER UNDERLAYMENT REQUIRED:	No
FLOOD HAZARDS:	Current FEMA FIRM Maps
AIR FREEZING INDEX:	867
ANNUAL MEAN TEMP:	48.1°F

Comments

Lone Tree, CO adopts the International Residential Code, 2021 edition. Lone Tree, CO Muni. Code § 18-3-20 (adopted) with amendments at § 18-3-40.

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.

There is no mention of the adoption of Appendix J of the 2021 IRC.

Commercial Building Code

Lone Tree 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.

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2021 IBC(Lone Tree, CO Sec. 18-2-20. - Adoption by Reference.)

...The International Building Code, 2021 Edition, as published by the International Code Council, Inc., 4051 W. Flossmoor Road, Country Club Hills, IL 60478, is hereby adopted by reference and incorporated into this Article as though fully set forth herein as the building code of the City. Except as otherwise provided,...

Comments

Lone Tree, CO adopts the International Building Code, 2021 edition. Lone Tree, CO Muni. Code § 18-2-20 (adopted) with amendments at § 18-2-40.

Existing Buildings

Refer to Chapter 34 of the adopted 2021 IBC.

Other Building Codes