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Cost to Build a Pool in Naperville, IL: what the permits say

How much does it cost to build a pool in Naperville? The usual pool & hot tub job filed with Naperville is $89,050, from 110 priced permits (October 2023 through September 2026); the middle half of firms file between $81,926 and $137,650. A filed value is what the contractor wrote on the permit, not a quote or the final bill.

$89,050usual filed value
$81,926–$137,650middle half of firms' usual jobs
110priced permits (99% of 111)
69firms on file
418days, permit issue to final
Sep 2026records through

How much does it cost to build a pool in Naperville?

The usual pool & hot tub job filed with Naperville is $89,050, from 110 priced permits, October 2023 through September 2026. The middle half of firms usually file between $81,926 and $137,650. 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 pool & hot tub permit here usually takes 418 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 110 priced permits across 68 firms, pooled into one. Half of Naperville pool & hot tub permits were filed between $15,000 and $120,000.

PercentileFiled valueReads as
10th$5,4001 in 10 permits filed below
25th$15,0001 in 4 filed below
50th$82,100the middle permit
75th$120,0001 in 4 filed above
90th$155,0001 in 10 filed above

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 assessed values. South Naperville is in Will County, which publishes no property values, so about a third of permits show no home value.

Firms working onUsual home valueUsual filed valueFirmsPermits
Lower thirdunder $670,440$20,0001825
Middle third$670,440–$1,187,883$81,9261829
Upper third$1,213,803 and up$100,0001940

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.

FirmPermitsLast 12 moUsualMiddle halfFinished
Aqua Pools Inc133$100,000$91,200–$106,85028.8%
Chip & Dip Pools and Spas, LLC32———
Caribbean Pools22———
Pro Scapes Inc22———
Russo's Pool Installation22———
Z Tech Electric Inc22———
C.B. Conlin Landscapes41———
Asurenet LLC31———
American Sale21———
Barrington Pools21———

Why filed values run low or high

  • The 10 busiest firms usually file $100,000; the 67 firms with fewer than 10 permits usually file $80,000.
  • Firms working on the most expensive third of homes (usual home value $1,213,803 and up) usually file $100,000, against $20,000 for the least expensive third.
  • One permit type covers small and large jobs: 1 in 10 pool & hot tub permits is filed under $5,400 and 1 in 10 over $155,000, 29 times as much.
  • 99.1% of the 111 permits carry a value; the 1 without one are left out of every figure here.

Is your quote normal? Compare it with 110 filed values

Line your quote up against the file. In Naperville, 1 in 10 pool & hot tub filed values sit under $5,400, the middle half between $15,000 and $120,000, and 1 in 10 over $155,000.

  • $202,000Above $155,000: higher than 9 in 10 filed values for this work in Naperville.
  • $89,050Right at the usual $89,050: in the middle of the file.
  • $3,800Below $5,400: lower than 9 in 10. Ask what the quote leaves out.

When to schedule a pool build in Naperville

Naperville files the fewest pool & hot tub permits in January (54 against an average month of 100) and the most in July (162). 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 Naperville →

How these numbers are made

Source: City of Naperville building permits (the current permit system plus the city's older records). The window is October 2023 through September 2026; a permit filed after that isn't here yet.

Usual is the middle permit: half were filed for less, half for more. Only permits with a filed value count; a value of $0 or none is left out.

The spread is approximate: we keep seven points of each firm's own range of filed values, not every permit, and pool them.

Nobody paid to be on this page and nobody can. How the records work in Naperville →

Common questions

  • How many quotes should I get for a pool & hot tub job in Naperville?At least three. In the permit record the middle half of Naperville pool & hot tub firms usually file between $81,926 and $137,650 a job, so two ordinary firms can sit 1.7 times apart and both be normal for Naperville. 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 pool & hot tub jobs in Naperville?Half of permits were filed between $15,000 and $120,000; 8 in 10 between $5,400 and $155,000. These are approximate, pooled from each firm's own spread.
  • How much do pool builders charge in Naperville?The usual pool & hot tub job is filed at $89,050; the middle half of firms usually file between $81,926 and $137,650. The 10 firms with the most permits in the last 12 months usually file $100,000, more than the usual. See every firm's usual job →
  • Why do prices I see online differ from $89,050?$89,050 is the construction value contractors wrote on Naperville permits. Online figures are usually all-in ranges whose scope you can't check (design, fees, site work), and our file mixes small and large jobs of this type in one number. Use the spread above to see where a quote sits.
  • 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 $100,000, the lower third $20,000. That is firms, not single jobs.
  • Where does this data come from?City of Naperville building permits (the current permit system plus the city's older records), read October 2026. How the records work in Naperville →

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