Cost to Build a Deck in Wheaton, IL: what the permits say

How much does it cost to build a deck in Wheaton, IL?

The usual deck, porch & pergola job filed with Wheaton, IL is $18,955, from 173 priced permits, October 2023 through September 2026. The middle half of firms usually file between $21,375 and $27,662. Half of jobs were filed for less, half for more. A filed value is what the contractor wrote on the permit, not a quote or the final bill. A deck, porch & pergola permit here usually takes 111 days from issue to final inspection. How long permits take →

What the spread looks like

Approximately, from each firm's own spread: every firm's range of filed values, weighted by its 173 priced permits across 83 firms, pooled into one. Half of Wheaton, IL deck, porch & pergola permits were filed between $6,300 and $30,800.

By home value

Firms split into thirds by the usual value of the homes they work on, with each third's usual filed value weighted by permits. Home values: DuPage County 2025 assessments (three times the assessed value, which Illinois sets at a third of market value outside Cook County).

Busiest firms and what they usually charge

Top 10 by permits in the last 12 months. Usual is each firm's middle filed value; middle half is the range its middle half of jobs were filed in; both are shown for firms with 5 or more priced permits. Busy is not the same as careful: pick what you value to build a list.

Why filed values run low or high

• The 10 busiest firms usually file $27,662; the 79 firms with fewer than 10 permits usually file $21,375.
• Firms working on the most expensive third of homes (usual home value $686,871 and up) usually file $29,990, against $5,330 for the least expensive third.
• One permit type covers small and large jobs: 1 in 10 deck, porch & pergola permits is filed under $4,700 and 1 in 10 over $50,100, 11 times as much.
• 92.5% of the 187 permits carry a value; the 14 without one are left out of every figure here.

When to schedule a deck build in Wheaton, IL

Wheaton, IL files the fewest deck, porch & pergola permits in January (13 against an average month of 100) and the most in September (250). If you can choose, ask for quotes in a quiet month. We have no prices by month, so this is about crews' schedules, not a discount. When each trade is busiest in Wheaton, IL →

Guides for this trade

• Wheaton, IL contractor license lookup: city registration, state licenses and the permit record
• Hiring a deck builder: 5 red flags and 10 questions, checked against deck permits in 17 cities
• Deck vs patio: the permit line, and what deck permits cost in 9 cities
• How to check a contractor's license in Illinois

All guides →

Common questions

• How many quotes should I get for a deck, porch & pergola job in Wheaton, IL?At least three. In the permit record the middle half of Wheaton, IL deck, porch & pergola firms usually file between $21,375 and $27,662 a job, so two ordinary firms can sit 1.3 times apart and both be normal for Wheaton, IL. A third quote shows which one is the outlier. Filed values are what contractors wrote on permits, not quotes, so use them to judge the spread, not to price your own job.
• What range is normal for deck, porch & pergola jobs in Wheaton, IL?Half of permits were filed between $6,300 and $30,800; 8 in 10 between $4,700 and $50,100. These are approximate, pooled from each firm's own spread.
• How much do deck builders charge in Wheaton, IL?The usual deck, porch & pergola job is filed at $18,955; the middle half of firms usually file between $21,375 and $27,662. The 10 firms with the most permits in the last 12 months usually file $27,662, more than the usual. See every firm's usual job →
• Why is this different from the per-square-foot prices I see online?Online prices are quoted per square foot. A filed value is one number for the whole job on one permit, often many square feet plus the work around them, and the Wheaton, IL file does not record how many each job covered, so we can't turn $18,955 into a price per square foot.
• Do bigger houses get bigger bills?In the file, yes for the firms: those working on the upper third of homes by value usually file $29,990, the lower third $5,330. That is firms, not single jobs.
• Where does this data come from?City of Wheaton permits on homes (the city's permit application and inspection exports), read October 2026. How the records work in Wheaton, IL →