Egress Windows in Douglas County, CO
Last updated
Highlands Ranch, Roxborough Park and other unincorporated Douglas County addresses are permitted by the Douglas County Building Division, which requires new egress windows to have a 5.7 sq ft clear opening.
We install egress windows across Douglas County: we cut the foundation, set the window and well, and handle the permit. Highlands Ranch, Roxborough Park and other unincorporated addresses are permitted by the Douglas County Building Division, which builds to the 2021 IRC with county amendments; Parker, Castle Rock, Lone Tree and Castle Pines run their own departments (Basements & Remodels). Send us your address for a free quote.
Cities and communities we serve in Douglas County
- Egress windows in Highlands Ranch (unincorporated, county permit)
- Egress windows in Parker
- Egress windows in Castle Rock
- Egress windows in Lone Tree
- Egress windows in Castle Pines
- Roxborough Park and other unincorporated Douglas County areas (county rules below)
- Parts of Littleton and Aurora extend into Douglas County
County rules
- A basement-finish permit is required when walls are built or electrical work is added. Plans must label egress windows and wells, rooms, fixtures, alarms and unfinished areas (Basements & Remodels).
- The county's Basement Finish Requirement Guide requires:
- new egress windows: 5.7 sq ft clear opening, at least 24 in high and 20 in wide, with the opening no more than 44 in above the finished floor
- existing operable windows: can qualify at 4 sq ft, 22 in high by 20 in wide
- Douglas County publishes its own 2021 IRC amendments.
Fees
Fees and taxes are set by the jurisdiction; see the official Douglas County Basements & Remodels and Douglas County Building Division Fees PDF and New Home Construction page for current amounts.
Nearby counties: Arapahoe County · Jefferson County · Denver · Adams County
Do you install egress windows in Highlands Ranch, Parker and Castle Rock?
Yes. We cut the foundation, install the window and well, and pull the permit from the office that covers your address. Send your address and we'll call you back.
Services
Egress windows · Window wells · Covers · Basement egress · Code guide · Permit guide · Cost guide
Frequently asked questions
Who issues egress window permits in Douglas County?
Unincorporated areas, including Highlands Ranch and Roxborough Park, are permitted by the Douglas County Building Division. Parker, Castle Rock, Lone Tree and Castle Pines run their own building departments.
How big does a new egress window have to be in Douglas County?
The county's Basement Finish Requirement Guide calls for a 5.7 sq ft clear opening, at least 24 in high and 20 in wide, with the opening no more than 44 in above the finished floor.
Can an existing basement window count as egress in Douglas County?
It can if it is operable and meets the county's existing-window minimums: 4 sq ft of clear opening, 22 in high and 20 in wide.
What building code does Douglas County use?
The 2021 International Residential Code with Douglas County's own published amendments.
When do I need a basement finish permit in Douglas County?
When walls are built or electrical work is added. Plans must label egress windows and wells, rooms, fixtures, alarms and unfinished areas.
How are Douglas County permit fees calculated for a basement with egress?
There is no flat fee. Valuation is based on finished square footage. Check the official fee schedule linked on this page for current amounts.