Exterior and entry door installation in Chicago demands more than a standard replacement. Chicago's lake-effect winters, freeze-thaw cycles, and wind-driven rain create relentless pressure on door frames, thresholds, and sills. The iconic Chicago bungalow, with its brick facade and deep entry recesses, needs doors that seal tight against moisture and cold. Rotted door jambs and thresholds are common in homes across the Bungalow Belt, the North Shore, and older two-flats and three-flats. We install new entry and French doors weather-tight and properly flashed, or repair rotted frames and thresholds when the wood still has structural integrity. Chicago Carpentry has been installing and repairing exterior doors since 2016, working through every season Chicago throws at us.
Why Exterior Door Installation Matters in Chicago's Freeze-Thaw Climate
Entry doors take the hardest weather in Chicago. Winter cold and spring thaw cycle wood and metal at different rates, opening gaps and cracks where water seeps in. A rotted sill plate or threshold is not just a cosmetic issue; it allows moisture into the rim joist and subfloor. Lake-effect snow and wind-driven rain test every seal and flashing. Getting a door installed right the first time, with proper flashing, shims, and weatherstripping, stops years of water damage before it starts.
- We install entry doors with proper flashing and caulking to shed water away from the frame and rim joist.
- We repair or replace rotted door jambs, thresholds, and sills rather than ignore them and let decay spread.
- We set doors plumb and square so they swing freely and seal against weather year-round.
- We handle French doors and back doors with the same attention to weather-tightness as primary entries.
A well-installed entry door is your first line of defense against Chicago's wet winters and spring thaw.
Key info: Rotted door thresholds are among the most common water entry points in Chicago bungalows and older homes. A threshold that's soft or spongy underfoot signals moisture damage in the rim joist or subfloor. Catching and replacing it early stops costly floor joist repair later. See our floor joist and subfloor repair service for details on secondary damage.
For permit requirements on exterior door installation in Chicago, contact your local building department. Requirements vary by scope and location.
How We Install and Repair Entry Doors: The Chicago Carpentry Process
Our approach starts with an honest assessment. If the frame and threshold are sound, we install a new door unit with proper flashing and fastening. If the frame is rotted, we cut out the damaged wood, repair or replace the sill plate and threshold, and then set the new door. We work methodically to avoid rushing, because a door installed in haste leaks in the first heavy rain.
- We inspect the existing frame, threshold, and sill plate for rot, soft spots, or movement.
- We remove the old door carefully to preserve the opening if the frame is salvageable.
- We repair rotted sills or thresholds by cutting out decay and sistering new wood, or we replace the entire frame if rot is extensive.
- We set the new door unit plumb and square, shim it properly, and seal all gaps with caulk or foam before trimming.
- We install flashing above the door to direct water away from the header and rim joist.
- We test the swing, latch, and weatherstripping before we leave.
Each door is installed as if it's protecting your home, because it is.
Example: A 1920s Chicago bungalow in Cicero had a rotted entry door threshold and a soft spot in the rim joist where water had pooled for years. We cut out the decay, replaced the threshold and the damaged rim joist section, and installed a new insulated entry door with proper flashing. The homeowner now has a tight, secure entry that sheds water cleanly. See our wood rot repair service for more on how we handle structural decay.
Entry Door Installation Methods and Materials
| Method | Description | Best For |
|---|---|---|
| Repair and Reuse Frame | We cut out rotted sill or threshold, replace with new wood, and install the new door unit in the existing frame opening. | Sound frames with isolated rot in the threshold or lower jamb; budget-conscious repairs. |
| Full Frame Replacement | We remove the entire door unit and frame, address any rot in the rim joist or sill plate, and install a new pre-hung door assembly. | Extensive rot, misaligned openings, or upgrading to insulated or high-performance doors. |
| French Door Installation | We install multi-pane French doors or patio doors with proper flashing, sills, and weatherstripping rated for Chicago winters. | Back doors, sunroom entries, or transitional spaces where light and views matter. |
| Sill and Threshold Replacement Only | We replace a rotted threshold or sill plate in place while the door unit remains functional, extending the life of the frame. | Minor rot or wear; preserving vintage or custom doors. |
Exterior and Entry Door Installation Cost in Chicago: What to Expect
Door installation pricing depends on whether you are replacing the door alone or addressing rot in the frame and sill. A straightforward replacement of an entry door in a sound opening typically starts at $850 to $1,200, including removal, installation, flashing, and weatherstripping. If the frame or threshold is rotted and requires repair or replacement, expect the job to run higher. Access, the size of the opening, and whether we are working around trim or existing structures also affect the final cost. The best way to know is to get an on-site estimate from us.
We recommend getting two or three estimates from local carpenters so you can compare scope, materials, and price. A low bid often means corners cut on flashing or weatherproofing, which will cost you in water damage within a season or two. Our estimate is free and comes with a clear breakdown of labor, materials, and timeline.
For a detailed pricing overview and to see how other services are priced, visit our full pricing page. Call us at (312) 685-4329 to schedule a free estimate and discuss your door's condition and your budget.
What to Look for When Hiring a Carpentry Contractor Near Me in Chicago
Hiring a carpenter for door installation is straightforward if you know what to ask. Look for someone who has been in business locally for several years and can show you references from past door jobs. Make sure they are fully insured and can provide proof of coverage. Ask whether they handle permits if your job requires one, and understand who is responsible for contacting the building department. Get the estimate in writing, including materials, labor, timeline, and cleanup. Never assume that the cheapest bid is the best value; a door that leaks after six months costs far more than the difference in price.
- Ask the contractor how long they have been installing doors in Chicago and whether they have references you can call.
- Request proof of insurance and ask whether your homeowner's policy should be notified for this work.
- Get a written estimate that details the door model, materials, labor, flashing method, and estimated timeline.
- Clarify who is responsible for any building permits and whether the contractor coordinates with the city or county.
- Ask about warranty on labor and whether the door manufacturer's warranty transfers to you as the new owner.
Chicago Carpentry has been serving the city and suburbs since 2016. We are fully insured and provide free estimates within 24 hours. Call us at (312) 685-4329 or visit our contact page to request an estimate and discuss your door installation or repair.
Exterior & Entry Door Installation in Chicago: Pricing Guide
| Service | Price | Details |
|---|---|---|
| Entry Door Installation (Sound Frame) | Starting at $850 | New door unit, removal, installation, flashing, weatherstripping, and trim in existing opening with no frame repair |
| Entry Door with Sill or Threshold Repair | Starting at $1,200 | Door installation plus rotted sill or threshold replacement; cost rises with extent of decay and rim joist involvement |
| Full Frame Replacement and Door Installation | Starting at $1,600 | Complete removal of existing frame and door, new frame assembly, and new door unit; includes flashing and all structural prep |
| French Door or Patio Door Installation | Starting at $1,100 | Multi-pane French or patio doors installed with proper flashing, sill, and weatherstripping rated for Chicago winter conditions |
| Travel and Estimate | Included and Free | No travel fee in Chicago or surrounding service areas; free estimate with response within 24 hours, no obligation to book |
Indicative pricing, the exact cost depends on square footage, finish, and site access. Free personalized estimate within 24h at (312) 685-4329.
