Westmont, IL Office Units for Lease

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22 properties

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Updated: Aug 22

Renovated Storefront Retail Space

33 N Cass Avenue, Westmont, IL 60559

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1,161 SF first‑floor storefront space
Recently renovated interior available immediately
Glass‑enclosed private office
Private restroom and open‑concept area
Central Air conditioning

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Updated: Nov 22, 2025

Unique Office Environment in Westmont

700-890 Quail Ridge Drive, Westmont, IL 60559

$14 SF/Yr

6,798 sqft

Convenient location with easy access to major expressways and the I‑88 corridor.
Direct entry to tenant suites for convenience and identity.
Control over HVAC system to meet evolving business needs.
Highly coveted infill location in a beautiful setting.
Facilitated travel times to downtown Chicago and both airports.

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Medical Office Space with Storage and Meeting Space

801 N Cass Ave, Westmont, IL 60559

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9,647 sqft

Medical and office space for lease with on-site storage and meeting space, currently serving healthcare and professional tenants.

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Single-Story Office/Flex Space Available

1111 Pasquinelli Drive, Westmont, IL 60559

$14.25 SF/Yr

26,429 sqft

Office/flex buildings with private entries and tenant-controlled HVAC.

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Westmont Office Space For Rent

300-490 Quail Ridge Drive, Westmont, IL 60559

$14 SF/Yr

2,310 sqft

Office suites with individual entry and HVAC control for rent.

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Office Space in Park-Like Setting

110 Quail Ridge Drive, Westmont, IL 60559

$14.25 SF/Yr

Office suites with tenant-controlled HVAC in Westmont, Illinois.

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Office Suites with Tenant-Controlled HVAC

815 Quail Ridge Dr, Westmont, IL 60559

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1,501 sqft

Multi-building office campus offering tenant-controlled HVAC and private entries for select single-story suites.

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Remodeled Multi-Tenant Office Suites

825 N Cass Ave, Westmont, IL 60559

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1,776 sqft

Single-story office complex with exterior suite entrances and fully remodeled units, supported by a 4.0 parking ratio.

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Remodeled Office Units

825 N Cass Ave, Westmont, IL 60559

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2,242 sqft

Single-story complex features exterior suite entrances and remodeled interiors.

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Remodeled Multi-Tenant Office Complex

825 N Cass Ave, Westmont, IL 60559

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1,824 sqft

Single-story, multi-tenant office suites feature exterior entrances and completely remodeled tenant finishes.

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Office Suite with Private Entry

815 Quail Ridge Dr, Westmont, IL 60559

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1,401 sqft

Single-story office suites feature private entrances and tenant-controlled HVAC within Quail Ridge Office Centre.

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Remodeled Multi-Tenant Office Suites

825 N Cass Ave, Westmont, IL 60559

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1,215 sqft

Single-story, multi-tenant office complex with exterior suite entrances and completely remodeled unit finishes.

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Single-Story Office/Flex Suites For Rent

777 Oakmont Lane, Westmont, IL 60559

$14.25 SF/Yr

Office/flex suites with private entries and tenant-controlled HVAC.

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Office Suites with Private Entrances

710-815 Quail Ridge Dr, Westmont, IL 60559

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6,798 sqft

Flexible office suites are available with private entrances and 24-hour access with individually controlled HVAC.

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Westmont Office Space For Rent

710-815 Quail Ridge Dr, Westmont, IL

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6,798 sqft 10.24 AC lot

Office suites available with private entrances and 24-hour access.

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Renovated Office Suites

700 E Ogden Ave, Westmont, IL 60559

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2,184 sqft

Fully renovated office building offers in-house buildouts and move-in ready suite options with tenant storage available.

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Single-Story Office Suite

825 N Cass Ave, Westmont, IL 60559

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1,585 sqft

Rent-ready office suite with a private entrance within a single-story office building.

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Single-Story Office Suite

825 N Cass Ave, Westmont, IL 60559

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1,164 sqft

Rent-ready single-story office suite offers a private entrance into the tenant space.

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Second-Floor Office Unit

38 N Cass Avenue, Westmont, IL 60559

$3,166/Mo

Flexible workspace with private offices, a kitchenette, private bath, and separate front and rear access.

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Rent-Ready Single-Story Office Suite

825 N Cass Ave, Westmont, IL 60559

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2,181 sqft

Single-story office space with a private entrance, available and rent ready.

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High Image Office/Flex Space

1010 Executive Court, Westmont, IL 60559

$14.25 SF/Yr

Award-winning architecture, convenient location near Oakbrook Center.

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Single-Story Office Units

740 Pasquinelli Dr, Westmont, IL 60559

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7,673 sqft

Single-story office units with private entrances, private restrooms, tenant-controlled HVAC, and fully sprinklered space.

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Based on your search, we've compiled 27 Potential Opportunities for your consideration. Besides 22 Active listings in Westmont, IL, we suggest exploring alternatives. Similar 5 Properties for Sales.

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Office Units with Private Offices

414 Plaza Dr Unit 106, Westmont, IL 60559

$349,000

1,500 sqft

Two connected office units offer a professional layout with reception, updated restrooms, and shared kitchen access.

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Handicapped-Accessible Medical Condo

828 N Cass Ave, Westmont, IL 60559

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1,500 sqft 0.17 AC lot

Medical condo offering two exam rooms, reception areas at both entrances, and a finished basement with additional open space.

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Westmont, IL Office Units Lease Rates & Market Statistics

Explore 22 Office Units for lease in Westmont, IL on Realmo, a commercial real estate exchange covering the Westmont area. The current inventory totals 83,526 square feet of properties — an average of ~3,800 SF per listing.

Office Units lease rates in Westmont range from $14 SF/Yr at the entry level to $14.25 SF/Yr at the top of the market, averaging $14.17 SF/Yr. Pricing across the market is relatively uniform, which simplifies like-for-like comparison between listings. The local average of $14.17 SF/Yr is 38% below the Illinois state average of $22.84 SF/Yr.

Westmont accounts for 7% of the 328 office units currently available across DuPage County, where nearby markets include Naperville and Oak Brook. Office Units make up 76% of the 29 Office Spaces currently for lease in Westmont, with asking rates in line with the citywide Office Spaces average. Also worth a look for tenants weighing alternatives: Office buildings (6 listings) and Medical Office Space (3 listings) elsewhere in the Westmont market.

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