Deck builders in Aurora, IL

The median home in Aurora was built around 1995. A deck built with a house of that age is now about 31 years old — the stage where first-generation pressure-treated decks commonly need major repair or replacement.

Decks built before 2004 were very likely made with CCA-treated lumber, which was phased out of most residential uses at the end of 2003. That doesn't make an existing deck unsafe, but old boards shouldn't be burned, and demolition debris should be disposed of according to local rules.

That makes Aurora's housing 17 years newer than DuPage County as a whole, where the median home was built in 1978. Statewide, the median Illinois home was built in 1971. Among the 102 covered Illinois communities with Census data, Aurora ranks #99 for oldest housing. In this ZIP code, 3% of homes were built before 1960, 8% between 1960 and 1979, 56% between 1980 and 1999, and 34% since 2000 — the single largest group dates to the 1990s.

The nearest NOAA climate station with 1991–2020 normals is Aurora, about 4 miles away. It records an average of 134 days a year with a low at or below 32°F — a substantial freezing season. On roughly 91 of those days the temperature climbs back above freezing, so water in wood, soil and gaps between boards repeatedly freezes and thaws.

For Aurora, that means footings must bear below the locally required frost depth to avoid heaving, and wood surfaces should be kept sealed so absorbed water doesn't split boards over winter. Synthetic decking tolerates freeze-thaw well but still needs the manufacturer's expansion gaps.

Average snowfall near Aurora is about 27.9 inches a year (Aurora). That's enough that shoveling and ice-melt choices affect deck surfaces, and stair treads benefit from good texture and drainage.

Precipitation averages about 39.5 inches a year, falling on about 74 days with 0.1 inch or more — wet enough that drainage and flashing still matter, but dry spells also let wood surfaces dry out and check in the sun.

Average summer highs reach about 82°F, and around 17 days a year top 90°F. On a deck with full afternoon sun, dark composite can get uncomfortable on those days, so test samples in the sun before choosing a color.

Budget, upkeep tolerance and sun exposure on your particular lot still decide the final choice between these options.

Aurora has about 15,329 housing units across its covered ZIP code. 44% are single-family detached homes, 28% are attached homes such as townhouses and rowhouses, and about 28% are in buildings with two or more units. Roughly 59% of occupied homes are owner-occupied.

With a large share of townhouses, many decks in Aurora are elevated rear decks over a walk-out level, built close to neighbors. Privacy screens, setbacks, guard height and HOA design approval tend to drive these projects, and repairs to shared structures may require coordinating with an association.

• Replacement and major repair: about 9,664 homes (63%) were built between 1970 and 1999, the age group whose original or early add-on decks are most likely to have worn-out framing, connectors and boards.
• Upgrades and expansions: about 1,783 homes (12%) were built since 2010. Their decks are usually sound but small or builder-grade, so enlarging the deck, adding stairs and switching to composite or upgraded railings are common.
• Retrofit decks on older homes: about 516 homes (3%) predate 1970. Here the priority is confirming that add-on decks are properly attached — or rebuilding them freestanding — before any cosmetic work.

Aurora has a defined building season. Spring and early fall offer the most comfortable working weather; winter is a good time to settle the design and apply for permits. Stains and sealers generally need dry weather and moderate temperatures, so plan wood finishing for late spring or early fall.

For Aurora, IL, ask the permit office whether your deck needs a permit based on its size, height and attachment to the house, which drawings and inspections are required, and whether your townhouse association must approve the design first. Statewide code background for Illinois is on our state page; local rules change, so the building department remains the authority.

The closest covered area is Naperville, about 3.7 miles from the center of Aurora's covered ZIPs. Its median home was built in 1989, 6 years earlier than in Aurora. Aurora has 20 percentage points fewer detached single-family homes (44% vs. 64%), which changes how many projects are backyard decks versus compact townhouse decks. Owner-occupancy is 59% in Aurora compared with 76% in Naperville. Aurora's covered ZIP code span about 8.8 square miles of land with roughly 15,329 homes — about 1,742 per square mile, a typical suburban density where most homes have usable backyards.