300 South Riverside Plaza

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300 South Riverside Plaza is a Class A office building in downtown Chicago that provides office space, amenities, and related building services to commercial tenants.

About 300 South Riverside Plaza

300 South Riverside Plaza is a large Class A office tower located along the Chicago River in the West Loop area of downtown Chicago. The property is managed and branded as 300 South Riverside Plaza, offering office space, conference facilities, and building amenities to a variety of corporate and professional services tenants. The building is operated by South Riverside Building LLC, which appears in official documents and business directories as the entity doing business as 300 South Riverside Plaza.

A charge labeled something like “SOUTH RIVERSIDE PLO” on a card statement is likely associated with this office building, most commonly for tenant-related costs such as monthly rent, operating expense reimbursements, conference center or event space rental, parking-related fees, or other miscellaneous tenant services. These charges may be processed through the property’s management or ownership entity (e.g., South Riverside Building LLC) and can appear under a shortened or truncated descriptor that references “South Riverside Plaza.”

If you have questions about a charge from this merchant, first check any leases, license agreements, or invoices you receive for space or services at 300 South Riverside Plaza and match the billed amount and date. Tenants can contact the building management office at the address and phone number listed on the official 300 South Riverside Plaza website or tenant manual for clarification, copies of invoices, or billing history. If you are not a tenant and do not recognize the transaction, verify with family members or colleagues who might have authorization to use your card, and then contact your card issuer to dispute the charge if it remains unfamiliar.

Bank Statement Variations

1 known variations

These are the raw merchant codes that appear on bank and credit card statements that we've identified as belonging to 300 South Riverside Plaza.

  1. south riverside plo

Frequently Asked Questions

What is a charge from “SOUTH RIVERSIDE PLO” on my card statement?

A “SOUTH RIVERSIDE PLO” or similar descriptor likely refers to 300 South Riverside Plaza in Chicago, billed through its ownership/management entity (South Riverside Building LLC). The charge is usually for tenant rent, operating expenses, parking, meeting space, or other building-related services.

I’m a tenant at 300 South Riverside Plaza—what kinds of fees might be billed to my credit card?

Tenants may see card charges for items such as conference center or event space rentals, parking-related fees, replacement access cards, or other one‑off services billed outside of standard rent invoicing. Monthly base rent and CAM are often paid by check or ACH, but some miscellaneous charges can be settled by card depending on arrangements with management.

How can I verify that a 300 South Riverside Plaza charge is legitimate?

Compare the transaction date and amount on your card statement to recent invoices, conference room bookings, parking receipts, or service requests related to your tenancy in the building. If you have access to a tenant portal or online billing system, review your account there and then contact the building management office using the contact details on 300southriversideplaza.com if anything doesn’t match.

Can I get a copy of the receipt or invoice for a South Riverside Plaza transaction?

Yes. Reach out to the building management office for 300 South Riverside Plaza and provide the transaction date, amount, and last four digits of the card used. They can typically look up the charge in their records and email a detailed invoice or receipt to the authorized tenant contact.

Why do I see a South Riverside Plaza charge for a slightly different amount than my usual rent?

Regular rent and operating expenses for space at 300 South Riverside Plaza are generally invoiced monthly and paid by check or ACH. A card charge for a different amount is often tied to variable items—such as parking, conference center usage, event services, or prorated fees—rather than base rent. Check your most recent building invoice or request a breakdown from management.

How do I dispute or question a charge from 300 South Riverside Plaza?

Start by contacting the 300 South Riverside Plaza management office using the phone or email listed on their official website, and provide transaction details so they can research it. If they confirm the charge is incorrect, request a refund or adjustment. If you cannot resolve the issue directly or do not recognize the charge at all, contact your card issuer to open a billing dispute.

Can non‑tenants ever see charges from South Riverside Plaza on their card?

In some cases, visitors or event organizers may be charged for room rentals, event services, or parking arrangements linked to activities at 300 South Riverside Plaza. If you attended an event, training, or meeting there and provided a card for payment, the descriptor on your statement may show as a shortened form such as “SOUTH RIVERSIDE PLO.”

Does 300 South Riverside Plaza place temporary authorization holds on cards?

For certain services—such as reserving event space or equipment—the building or its vendors may place a temporary authorization hold to confirm your card, which can appear as a pending South Riverside Plaza transaction. Authorization holds typically drop off or convert to a final charge once the service is finalized; if a pending amount doesn’t clear or change within several business days, contact building management or your card issuer.

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