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410 Warrenville Road

Updated Oct 6, 2026

Sentinel Technologies Leases 63,409 Square Foot Office Campus In Lisle From Napleton Automotive Group
LEASEDOffice

Sentinel Technologies Leases 63,409 Square Foot Office Campus In Lisle From Napleton Automotive Group

410 Warrenville Road

Building Size

63,409 SF

Asset Type

Office

Closing

Oct 5, 2026

About this deal

AI

The property asset involved in this transaction is the Corporetum Office Campus X located at 410 Warrenville Road in Lisle, IL. The total square footage of the building is 63,409. The property is owned by Napleton Automotive Group and is situated on a 5.5-acre lot. The tenant signed a lease to occupy the entire space as part of their headquarters relocation.

Summary of transaction details:

This lease transaction marks a significant move for Sentinel Technologies, Inc., as they relocate after more than 30 years from their previous location in Downers Grove. The arrangement includes plans for capital improvements to the property as part of the new lease agreement, demonstrating the commitment of both the landlord and tenant toward enhancing the office space for operational needs.

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Players

David Florent

Colliers

Broker

2 deals

Broker
Edward Napleton

Edward Napleton

Napleton Automotive Group

Landlord
Landlord
Brian Osborne

Brian Osborne

Sentinel Technologies, Inc.

Tenant
Tenant
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Lisle Office Market Snapshot

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Purchase Price

Annual NOI

Loan Amount

Interest Rate (%)

Loan Term (yrs)

Down Payment (%)

Cap Rate

5.80%

Cash-on-Cash

-1.66%

Monthly Payment

$14,164

Annual Debt Svc

$169,964

Annual Cash Flow

$-11,334

DSCR

0.93

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