Dual Agency in Illinois: What Office Tenants Need to Know
Dual agency is legal in Illinois only with the informed written consent of both landlord and tenant, and the state’s own required disclosure calls it a conflict of interest. Here is what office tenants should know before signing.
O’Hare & Rosemont Office Market: Tenant Intelligence Report
Updated September 2026 · By Tom Koelzer and Dave Ven Horst, Co-Founders, Tenant Advisors, Inc. Bottom line for tenants: the O’Hare / Rosemont office market offers the deepest concession packages we track anywhere in Chicagoland. Vacancy sits at 20% and climbing on negative absorption, nothing new is being built, and landlords from the Rosemont towers […]
Schaumburg & Northwest Suburbs Office Market: Tenant Intelligence Report
Bottom line for tenants: the Schaumburg and Northwest Suburbs office market is one of the most tenant-favorable in Chicagoland. Vacancy runs near or above 30% across most of the corridor, no speculative construction is underway, and landlords are competing hard on rate, free rent, and build-out dollars. A tenant who starts early and runs a […]
Questions to Ask a Tenant Rep Broker Before Hiring One
Short answer: before hiring a tenant rep broker, ask whether they ever represent landlords, who pays them, how many leases they’ve negotiated in your specific submarket, and who will actually do the work. The answers reveal whether you’re getting a true advocate or a conflicted middleman — and since the landlord pays the commission either […]
Who Can Help You Negotiate an Office Lease in Chicago?
Four professionals help office tenants negotiate leases in Chicago: a tenant rep broker, a real estate attorney, a space planner, and move vendors. Here’s who does what, what each costs, and when to bring them in.
Oak Brook Office Tenant Representation: Pricing, Renewals & Lease Negotiation
Tenant Advisors, Inc. provides tenant-only office lease representation in Oak Brook, Illinois — market pricing, renewals, relocations, and lease negotiation, at no cost to the tenant. In the transactions we track and negotiate, Oak Brook Class A office space asks $34–$38/SF full-service and Class B asks $24–$28/SF, with roughly one in four square feet available […]
Chicago & Suburban Office Space by City: Tenant Guide to Every Market
Tenant Advisors tracks office market conditions in every city and submarket where Chicago-area tenants lease space. This index links our full tenant guide for each market — vacancy, Class A asking rents, key buildings, and what to negotiate — organized by the five submarkets we cover. All figures are Q1 2026 from the transactions we […]
Chicago Office Sublease Guide for Tenants: How to Sublet Office Space in 2026
Subleasing can cut your office occupancy cost significantly, but the master lease controls everything. Here’s how Chicago tenants should evaluate sublet office space in 2026, and how to sublet space you no longer need.
Chicago Office Tenant Representation Firms: 2026 Guide
Compare Chicago office tenant representation firms in 2026 — tenant-only advisors vs. full-service brokerages, plus 10 questions to ask before hiring one.
Oak Brook, IL Office Space: 2026 Market Guide for Tenants
Oak Brook office space vacancy is 23.2% as of Q1 2026 — the best-performing suburban submarket in Chicagoland. Class A rents ask $34–$38/SF full-service; Class B asks $24–$28/SF. Tenants hold significant negotiating leverage — effective rents run 10–20% below asking for companies running competitive, multi-landlord processes.