Jeweler · Naperville, Illinois
Costello Jewelry Company
33 W Jefferson Ave, Naperville, IL 60540 · (331) 291-5062 · www.costello.net
On the record since August 10, 2026 · last read September 24, 2026 · 16 facts held
Hours
| Monday | 10:00-18:00 |
|---|---|
| Tuesday | 10:00-18:00 |
| Wednesday | 10:00-18:00 |
| Thursday | 10:00-18:00 |
| Friday | 10:00-18:00 |
| Saturday | 10:00-17:00 |
| Sunday | closed |
Observed September 24, 2026 · costello.netopening hours as the business publishes them in its own structured data
The building
County records. A storefront outlives its tenants, which makes this the most durable thing on the page.
- Building
- 3,000 sq ft, built 1900
- Type
- commercial
- Owner of record
- STEARMAN PROPERTIES LLC
- Property tax
- $25,291 for 2025
| 2020 | $20,720 |
|---|---|
| 2021 | $20,746 |
| 2022 | $21,432 |
| 2023 | $22,916 |
| 2024 | $23,936 |
Observed August 21, 2026City of Naperville GIS, the same publisher as the permit feed: the building and parcel polygons containing this business's coordinates. The footage is the WHOLE structure — and this one is 2 storeys to hold several tenants, so it is an upper bound on this business's space rather than a measure of it. Per-tenant area needs the unit, which the city does not publish
Also on the record
- Website
- reachableSep 24, 2026
- Rating
- 4.9Aug 10, 2026
- Links
- costello.netAug 12, 2026
- Status
- openAug 10, 2026
- Ratings counted
- 335Aug 10, 2026
- Retail center
- Main Street PromenadeAug 15, 2026
- How it describes itself
- Costello Jewelry Co is a jewelry store serving Naperville, Glen Ellyn & Downers Grove, IL. We have many luxurious designers and brands. Visit us today!Sep 24, 2026