Indianapolis Class A Office Market

TL;DR

• Eli Lilly's global HQ and Lilly Technology Center anchor structural pharma demand.
• Mile Square Downtown is the legacy trophy core — Salesforce Tower, Chase Tower, OneAmerica Tower.
• Carmel anchors the suburban post-2018 mid-rise Class A frontier.
• Indiana's 4.9% corporate income tax is among the lowest in the Midwest.

Overview

Indianapolis's Class A market is anchored by Eli Lilly's global HQ, the Mile Square Downtown core, and a deep cluster of insurance and amateur-sports governing-body HQs (NCAA, Indianapolis Motor Speedway, USA Football). The Carmel and Fishers suburban submarkets host a growing post-2018 mid-rise Class A tier.

Market snapshot

Composite of Q1 2026 broker market reports for Indianapolis (JLL, CBRE, Cushman & Wakefield, Colliers, Knight Frank, Savills).

Lease norms

Modified-gross structures. 10-year terms standard. Free rent of 10-14 months and TI of $70-$100/sqft typical on a 10-year Class A deal.

Transit & access

IndyGo bus network; Red Line BRT (and planned Blue and Purple Line BRT) connects Downtown, Broad Ripple, and Fountain Square. Indianapolis International Airport is a 15-minute drive from Downtown.

Tax

21% federal plus Indiana's 4.9% corporate income tax. Marion County local income tax. Combined effective rate near 26%.

Talent

Strong pharma, healthcare, insurance, and motorsports talent. Purdue, IU, and Butler anchor the regional pipeline. Pharma talent is anchored by Eli Lilly's global HQ and continuous biotech expansion.

Notable Class A buildings

• Salesforce Tower · Mile Square (Downtown) — Tallest building in Indiana.
• Chase Tower · Mile Square (Downtown)
• OneAmerica Tower · Mile Square (Downtown)
• Lilly Corporate Center · South Downtown — Eli Lilly global HQ campus.
• The Yard at Fishers District · Fishers — Fishers post-2020 mixed-use Class A.

Class A submarkets in Indianapolis

• Mile Square (Downtown) — Indianapolis's legacy trophy core. (trophy)
• Mass Ave / Bottleworks — Repositioned creative-class submarket. (prime)
• Carmel — Premier suburban post-2018 Class A frontier. (trophy)
• Fishers — Tech-tilted suburban submarket. (prime)
• Keystone Crossing — Suburban Class A spine. (established)

Indianapolis deep-dives

• Rents and incentives — What does Class A rent cost and what concessions are typical?
• Sublease market — How deep is sublease">sublease availability and how does it price?
• ESG and LEED stock — How much certified stock exists and what premium does it command?
• Transit and commute — Which submarkets have the strongest transit access?
• Talent and salaries — What does the white-collar talent pool look like and how is it priced?
• Fit-out costs — What does a Class A fit-out">fit-out cost per square foot?
• Flex vs lease — When does premium coworking beat a traditional lease?
• Taxes and incentives — What corporate, occupancy, and property taxes apply?
• Neighborhoods overview — Which Class A submarkets exist and how do they compare?
• Notable buildings — Which trophy assets define the market?
• Class A vs Class B — What is the spread between Class A and Class B and why?
• Leasing conventions — What lease structures, terms, and concessions are normal?
• Expansion checklist — What is the operational checklist for opening here?
• Relocation guide — How do you move into this market from another city?
• Frequently asked questions — Quick answers to the questions occupiers ask most.
• Operating expenses — What service charges, OpEx, and pass-throughs apply on top of rent?
• Growth and availability — How tight is current availability and what does the pipeline look like?
• Sustainability pathways — How do tenants land net-zero or science-based-target leases here?
• Hybrid work policy — How are hybrid policies shaping office demand here?
• Security and redundancy — What security, power, and connectivity redundancy are standard?
• Lab and R&D space — What does R&D-grade or wet-lab space look like in this market?
• Brand experience — How do trophy buildings function as brand experiences and showpieces?
• Fund strategy and flag — Which submarkets carry the strongest investor flag for funds?
• Exit and renewal — How do you handle a Class A renewal or exit cleanly here?
• Market cycle position — Where is this Class A market in its cycle right now?

Frequently asked questions

What is Eli Lilly's role in the market?

Material. Lilly's $9bn+ Indianapolis investment program and Lilly Technology Center expansion anchor the city's pharma and biotech absorption pipeline through 2030.

How is the Mile Square performing?

The Mile Square holds the legacy Class A trophy tier — Salesforce Tower, Chase Tower, OneAmerica Tower. Vacancy is moderate; trophy product clears tightly.

What is Carmel's role?

Carmel — north of Indianapolis in Hamilton County — anchors the metro's principal suburban post-2018 mid-rise Class A frontier with deep insurance, healthcare, and professional services tenancy.