What we see on Decatur homes
The median house in Decatur was built in 1960, and 64.6% of the housing stock there predates 1970. 36,121 housing units, 62.3% of the occupied ones owner-occupied. That leaves a real share of rented property, and a landlord asks different questions than an owner: what fails soonest, what a tenant will call about. The quote is the same either way. 20.5% of it predates 1940, so a lot of these openings are out of square and none of them are a catalog size. That is the whole reason we measure every opening instead of ordering to a chart.
The exterior on a house that age is often not the first one. Aluminum siding from the sixties, vinyl over the top of it in the nineties, and somewhere underneath the wood the house was built with. We look behind the old material before quoting, so the layer count and the state of the sheathing are known rather than guessed at. In these houses the original single-glazed windows are usually the biggest single draft in the place. On windows specifically the number that matters is how many openings are actually costing you. We will quote the worst room on its own if that is the sensible place to start.
Housing-age and tenure figures: U.S. Census Bureau, American Community Survey 5-year estimates (tables B25034 and B25003), retrieved 2026-08-18.
Permits and paperwork in Decatur
Permits for work like this in Decatur come from City of Decatur Building Inspections Division. You will know at the consultation whether yours needs one, which is the point at which it is still useful to know. We pull the permit and we meet the inspector.
We are licensed and insured. Our Illinois Roofing Contractor License is #104016978, and it goes on the paperwork before you ask for it.
Where we work from, and what is nearby
Decatur, IL sits in Macon County, and we serve it from our Central Illinois office at 402 S. Main St., Creve Coeur, IL 61610.
In Decatur that covers 62521, 62522, 62523 and 62526. A ZIP missing from that list is worth a phone call rather than an assumption, and you will get a yes or a no on the spot.
What we can put on a Decatur house
Elite Pro and Elite Pro Plus+ windows: vinyl frames, energy-efficient glass, and the full range of shapes: double-hung, casement, awning, slider, bay and bow, picture, garden and geometric. Interior woodgrains and UV-resistant exterior colors, grids in colonial, prairie or perimeter prairie, and obscure or rain glass where a bathroom or a street-facing window needs it. Every unit is measured to your opening rather than ordered as a size.
There is a showroom at 402 S. Main St., Creve Coeur, IL 61610, with full-size units rather than swatches. Daylight changes a color more than most people expect it to.
Free consultation
Book a free consultation in Decatur
Choose a day and our Central Illinois office calls to confirm the time.
- A free consultation at your home
- A quote with no obligation
- Our office calls to confirm the time
Two things people in Decatur ask
Do I need a permit for this in Decatur?
It depends on the scope, and City of Decatur Building Inspections Division is the office that decides. We check before the crew is booked and we pull the permit when one is needed, so it is never something you find out about halfway through.
How far are you from Decatur?
Our Central Illinois office is at 402 S. Main St., Creve Coeur, IL 61610, about 1 and three quarters hours away, up US‑51 and I‑74. That is a drive time and nothing more: we do not publish arrival windows, so ask for a date and you will get a real one.

