1420 W DIEHL RD
#2023-00001977 · PERMANENT SIGN · SIGN APPLICATIONS
Work described
View work details in the official source
Read the complete work description in the official source.
- Legacy source issue date
- Oct 9, 2023
- Source status
- Check official source
- Reported estimate
- $0 reported
- First observed here
- Oct 27, 2026
- Last source check
- Oct 27, 2026
Recorded companies
No verified company role supplied by this source.
Company contact routes
No reviewed project-specific buyer route is established for the selected offering.
Suggested departments are research starting points. Printed roles and published company contacts do not establish project purchasing authority or an available package.
Find suppliers & services
Browse companies ↗The checked permit scope does not support automatic service suggestions. Browse the directory to research companies directly.
Up to eight companies with potentially relevant offerings. Listing order does not establish company quality or availability. Confirm project requirements, products and availability. Suggestions do not establish a hiring relationship, open bid, construction start or readiness for cleaning.
Research this address
Address timeline and official history ↗Source and coverage
Separate historical permit system, phased out during 2022–2024, with some later issue dates. Imported only as historical observations. Nonconstruction program and occupancy records are excluded. Separate permits and systems are not unique projects.
Naperville historical permit system ↗
Historical permit system; not current activity or a current validity check
Legacy printed numbers can be shared by trade permits; identity includes the official permit code
Legacy UTC-midnight source date retained without a local-time shift
Separate permits and permit systems must not be summed as unique projects
Source-supplied coordinates; parcel precision not verified
A record, hearing or estimate does not establish construction start, completion or buying intent.
Observed changes
Oct 27, 2026 · Baseline
View work details in the official source
Source date: Oct 9, 2023 · Source status: Check official source
Collected records at this address
Literal address matches within Naperville; parcels and construction phases are not automatically merged.
ELEV-0039-2025 · ELEVATOR · NEW ELEVATOR ↗ · Nov 4, 2025
ELEV-0040-2025 · ELEVATOR · NEW ELEVATOR ↗ · Nov 4, 2025
MISC-0031-2025 · MISCELLANEOUS · LAWN IRRIGATION SYSTEM ↗ · Apr 4, 2025
MISC-0061-2025 · MISCELLANEOUS · DEVELOPMENT/SITE IMPROVEMENTS ↗ · Jan 30, 2025
2020-00001867 · FIRE SUPPRESSION SYSTEM · COMMERCIAL/INDUSTRIAL APPLICATION ↗ · Feb 14, 2024
2024-00000189 · ELECTRICAL · ELECTRIC SERVICE CHANGE ↗ · Feb 7, 2024
2023-00001976 · PERMANENT SIGN · SIGN APPLICATIONS ↗ · Oct 6, 2023
2023-00001708 · IN-GROUND POOL/SPA/HOT TUB · COMMERCIAL ALTERATION/REPAIR (NO NEW SQ FTG) ↗ · Sep 18, 2023
2022-66600057 · FIBER OPTIC CLASSIFICATION · FIBER OPTIC ROW ↗ · Dec 15, 2022
2022-00004442 · ELEVATOR PERMIT · ELEVATOR ↗ · Nov 10, 2022
2022-00004443 · ELEVATOR PERMIT · ELEVATOR ↗ · Nov 10, 2022
2020-00001867 · FIRE ALARM · COMMERCIAL/INDUSTRIAL APPLICATION ↗ · Nov 30, 2021
2021-00003295 · CONSTRUCTION TRAILER · TEMPORARY TRAILER ↗ · Aug 10, 2021
2020-00001867 · COMMERCIAL BUILDING - NEW OR ADDITION · COMMERCIAL/INDUSTRIAL APPLICATION ↗ · Jul 16, 2021
2021-00002790 · DEVELOPMENT/SITE IMPROVEMENTS · SITE DEVELOPMENT ↗ · Jun 21, 2021
2016-00000281 · TEMPORARY SIGN · TEMPORARY SIGNS ↗ · Feb 15, 2016