Building permits by Certasun
| Trade | Permits | Last 12 mo | Usual filed value | vs trade | Active | Evidence | List position |
|---|---|---|---|---|---|---|---|
| Solar | 42 | 4 | $37k | 1.7× the usual for the trade | Oct 2023 – Jun 2026 | Strong | #2 of 57 |
| Electrical | 5 | 0 | $1,200 | 0.60× the usual for the trade | Dec 2023 – May 2024 | Limited | — |
| EV Charger | 3 | 1 | — | — | Mar 2025 – Sep 2026 | Limited | — |
List position: where the firm lands on the Naperville comparison for that trade at default settings (or at a typical budget), among firms without a license problem. It's a match score from public records, not a quality rating.
Filed value is what was written on the permit, not a quote or final bill; a usual value needs 5 or more priced permits in the trade. Some jobs never need a permit.
License
- Status on the license recordWe do not hold City of Naperville's license file for Naperville, IL, so no license is matched here.
- Check it yourselfNaperville contractor registration
Complaints, lawsuits and the permit record
Our record covers building permits, not complaints or court cases. In Naperville, IL, Certasun pulled 50 permits 2023–2026; about 81% of those old enough to judge reached completion, and 2 of 38 permits a year or more old are still open. To check complaints and lawsuits, search City of Naperville (Naperville contractor registration), BBB complaints for Certasun and DuPage and Will County court records.
We never say whether a complaint or lawsuit exists: we do not hold those records.
Questions
- How many permits has Certasun pulled in Naperville, IL?50 matching permits between Oct 2023 and Sep 2026, 5 of them in the last 12 months.
- What work does Certasun do?By permit count: Solar, Electrical, EV Charger.
- Is Certasun licensed?We do not hold City of Naperville's license file for Naperville, IL, so no license is matched here; check Naperville contractor registration.
- Are there complaints or lawsuits against Certasun?Our record covers building permits, not complaints or court cases. In Naperville, IL, Certasun pulled 50 permits 2023–2026; about 81% of those old enough to judge reached completion, and 2 of 38 permits a year or more old are still open. To check complaints and lawsuits, search City of Naperville (Naperville contractor registration), BBB complaints for Certasun and DuPage and Will County court records.
- Are there reviews of Certasun in Naperville, IL?We do not collect reviews. What we hold is the public permit record: Certasun pulled 50 permits in Naperville, IL from Oct 2023 to Sep 2026, about 81% finished. For reviews, see the firm’s BBB profile or Google listing, and check them against this record.
Where Certasun works
The ZIP codes where Certasun filed the most of its 50 permits on homes in Naperville, counted at each property's ZIP code. A ZIP code opens every permit we track there and the most active firms in each trade.
Similar solar installers in Naperville
The 5 solar installers closest to Certasun's 42 solar permits. Similar volume, not similar quality.
- Tesla, Inc · 32 permits
- Sparc Solar LLC · 18 permits
- Grne Solar · 17 permits
- Fresh Coast Solar · 14 permits
- Tilza Electric · 13 permits
Compare Certasun with other Naperville solar contractors
Every permit record in the city, side by side. Pick what you value. The list moves.
Source: public permit records (Naperville), matched by contractor name. How the records work. Something wrong? Firms can request a correction.