Office Units

Saint Charles, MO Office Units for Lease

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33 properties
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Private Office Suites
Updated: Jul 22
Private Office Suites

Saint Charles, MO 63301

$500/Mo
0.23 AC lot
Suites 203 and 204 offer approximately 13' x 11' of private, lockable office space
High‑speed internet and Wi‑Fi included
24/7 secure building access with security cameras
Dedicated mailbox and business address provided
Renovated 1920 brick office building
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Move-In Ready Office Suite
Updated: Jul 15
Move-In Ready Office Suite

Saint Charles, MO 63304

$800/Mo
421 SF office suite identified as Suite 201
New flooring, paint, lighting, and large windows
Full‑service occupancy includes heat, electricity, trash, and Wi‑Fi
Shared kitchenette, conference room, and common‑area bathrooms
On‑site open parking lot
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New Construction Retail Space
New Construction Retail Space

Saint Charles, MO 63301

$2,850/Mo
1.25 AC lot

White-box delivery offers flexible space for customized retail or office buildouts.

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Move-In Ready Office Suite
Move-In Ready Office Suite

Saint Charles, MO 63304

$800/Mo
421 sqft

Full-service office suite with large windows, new finishes, kitchenette, and shared conference room access.

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Office Unit with Kitchenette
Office Unit with Kitchenette

Saint Charles, MO 63301

$1,400/Mo
0.16 AC lot

Compact office setup with a kitchenette, bathroom area, and a setting suited to minimal foot traffic.

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Lower-Level Office Units
Lower-Level Office Units

Saint Charles, MO 63301

$667/Mo
800 sqft

Lower-level units in a retail center are identified for office, storage, or BLDR office use.

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Multi-Tenant Brick Office Building
Multi-Tenant Brick Office Building

Saint Charles, MO 63303

$12 SF/Yr
14,015 sqft

Well-maintained all-brick office building offers an updated, 1,550 SF suite with separate at-grade entrances.

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Fenced Flex Space with Drive-In Doors
Fenced Flex Space with Drive-In Doors

7 Governor Drive, Saint Charles, MO 63301

$7,500/Mo

Secure, fully fenced property combines office space, storage, and drive-in access.

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Westgate 200 Available For Lease
Westgate 200 Available For Lease

3817-3841 Millstone Parkway, Saint Charles, MO 63301

$5.95 SF/Yr
86,800 sqft

86,800 SF divisible space with office and showroom.

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HVAC-Controlled Flex Space
HVAC-Controlled Flex Space

Saint Charles, MO 63303

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2,500 sqft

Clean, temperature-controlled suite with adaptable office-warehouse functionality and three-phase power availability.

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St. Charles Retail/Office Space
St. Charles Retail/Office Space

3910-3930 South Old Highway 94, Saint Charles, MO 63304

$22 SF/Yr
31,716 sqft

Retail and office spaces available in high-traffic St. Charles location.

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Second-Floor Office with 11 Offices
Second-Floor Office with 11 Offices

Saint Charles, MO 63301

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3,500 sqft

Second-floor office space above Llewelyn’s Pub with 11 offices, a bullpen area, and lot and street parking.

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Retail Suite in Retail/Office Building
Retail Suite in Retail/Office Building

4500-4520 Central School Rd, Saint Charles, MO 63304

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750 sqft

750-square-foot space available across from Hollenbeck Elementary School on Central School Road.

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Suite 105 Office Suite
Suite 105 Office Suite

Saint Charles, MO 63301

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1,275 sqft

Full-service lease Suite 105 in a C-2 zoned, two-story multi-tenant office building with ample parking.

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Office Unit Near Retail
Office Unit Near Retail

Saint Charles, MO 63301

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3,000 sqft

Office space positioned near retail, restaurants, and other offices with access to nearby regional highways.

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Second-Floor Office Space
Second-Floor Office Space

Saint Charles, MO 63301

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2,512 sqft

Second-floor office suite with three offices, a large bullpen area, and two single restrooms.

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Private Office Units Near University
Private Office Units Near University

Saint Charles, MO 63301

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600 sqft

Private office suites include shared conference and kitchenette access, open parking, natural light, and utilities within an all-inclusive lease.

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Move-In Ready Office Suites
Move-In Ready Office Suites

Saint Charles, MO 63304

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421 sqft

Move-in ready office suites with updated interiors, large windows, and shared conference and kitchenette access.

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Main Floor Office Suite
Main Floor Office Suite

Saint Charles, MO 63301

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2,000 sqft

Main floor office space features multiple offices, a conference room, and a large bullpen with reception and kitchenette.

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Office Space in Saint Charles
Office Space in Saint Charles

Saint Charles, MO 63303

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3,500 sqft

Single tenant office space available for rent, 3,500 SqFt.

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Divisible Office Suite
Divisible Office Suite

Saint Charles, MO 63301

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3,825 sqft

Office space with private offices and open area, divisible for flexible tenant needs in a well-maintained brick building.

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Single-Tenant Retail Space
Single-Tenant Retail Space

300 Water St, Saint Charles, MO 63301

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6,500 sqft

Retail space offered as single-tenant units ranging from smaller to larger footprints.

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Office Spaces Available For Rent
Office Spaces Available For Rent

Saint Charles, MO 63303

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802 sqft

Office spaces ranging from 180 to 814 SqFt available.

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Newly Renovated Medical Office Space
Newly Renovated Medical Office Space

Saint Charles, MO 63303

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2,092 sqft

Newly renovated two-story entrance lobby anchors office suites with conference and kitchen amenities.

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Saint Charles, MO Office Units Lease Rates & Market Statistics

Browse 33 Office Units for lease in Saint Charles, MO on Realmo, a commercial real estate marketplace serving the Saint Charles area. The current inventory totals 174,993 square feet of properties — an average of ~5,300 SF per listing.

Asking lease rates for Office Units in Saint Charles start at $5.95 SF/Yr, average $14.13 SF/Yr, and reach $22.80 SF/Yr at the top of the market. That's a 4x spread between entry-level and premium space, making side-by-side comparison of asking rents and lease terms essential. At $14.13 SF/Yr, the local average runs 46% below Missouri's state average of $26.18 SF/Yr.

Saint Charles accounts for 48% of the 69 office units currently available across St. Charles County, where nearby markets include St Peters and O Fallon. Office Units make up 85% of the 39 Office Spaces currently for lease in Saint Charles, with asking rates in line with the citywide Office Spaces average. Also worth a look for tenants weighing alternatives: Office buildings (4 listings) and Medical Office Space (3 listings) elsewhere in the Saint Charles market.

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