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Project researchCoverage & sources ↗
Naperville, Illinois / Permit

2727 W DIEHL RD

#2015-00000051 · COMMERCIAL BUILDING ALTERATION · COMMERCIAL TENANT BUILD-OUT ONLY

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Historical archive · Historical record; its issue date and status do not establish current activityOfficial source ↗

Work described

Interior work

Read the complete work description in the official source.

Legacy source issue date
Feb 27, 2015
Source status
Check official source
Reported estimate
$1,000,000
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.

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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.

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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

Interior work

Source date: Feb 27, 2015 · Source status: Check official source

Collected records at this address

Literal address matches within Naperville; parcels and construction phases are not automatically merged.

MISC-0080-2026 · MISCELLANEOUS · ELECTRICAL ↗ · Feb 13, 2026

MISC-0018-2026 · MISCELLANEOUS · ELECTRICAL ↗ · Feb 10, 2026

MISC-1283-2025 · MISCELLANEOUS · ELECTRICAL ↗ · Sep 17, 2025

COMM-0168-2025 · COMMERCIAL · BUSINESS OCCUPANCY ↗ · Mar 27, 2025

ELEV-0561-2023 · ELEVATOR · NEW ELEVATOR ↗ · Dec 1, 2023

ELEV-0562-2023 · ELEVATOR · NEW ELEVATOR ↗ · Dec 1, 2023

2018-00001632 · ELECTRICAL · ELECTRIC SERVICE CHANGE ↗ · May 18, 2018

2018-00001039 · COMMERCIAL MISCELLANEOUS PERMIT · MISCELLANEOUS COMMERCIAL ↗ · May 2, 2018

2017-00002608 · FIRE ALARM · COMMERCIAL ADDITION (NEW SQ FTG) ↗ · Feb 8, 2018

2017-00002608 · COMMERCIAL BUILDING - NEW OR ADDITION · COMMERCIAL ADDITION (NEW SQ FTG) ↗ · Oct 12, 2017

2017-00002608 · FIRE SUPPRESSION SYSTEM · COMMERCIAL ADDITION (NEW SQ FTG) ↗ · Oct 10, 2017

2017-00003457 · DEVELOPMENT/SITE IMPROVEMENTS · SITE DEVELOPMENT ↗ · Aug 14, 2017

2015-00000051 · FIRE ALARM · COMMERCIAL TENANT BUILD-OUT ONLY ↗ · May 20, 2015

2015-00000687 · ELECTRICAL · ELECTRIC SERVICE CHANGE ↗ · Apr 10, 2015

2015-00000051 · FIRE SUPPRESSION SYSTEM · COMMERCIAL TENANT BUILD-OUT ONLY ↗ · Mar 13, 2015

2015-00000222 · FIRE SUPPRESSION SYSTEM · FIRE PROTECTION SYSTEM ↗ · Feb 17, 2015