Property summary
This exceptional Class B office building, located at 142 East Ontario Street in Chicago's North Michigan Avenue submarket, offers 135,620 square feet of premium office space. Built in 1986, the property boasts eight suites, with a minimum divisible space of 1,802 square feet and a maximum contiguous space of 7,951 square feet. Currently, 39,183 square feet are available for lease. The building features contemporary design, state-of-the-art elevators and life safety systems, and spectacular… views of the Magnificent Mile. Many floors offer corner balconies, and floor-to-ceiling bay windows provide abundant natural light. Tenants enjoy convenient access to nearby shopping, hotels, and restaurants. Security includes manned services with after-hours access. A new amenity center is under construction, offering a fitness center with locker rooms, multiple tenant lounges, and a comprehensive conference center with training capabilities and breakout rooms. This Cook County property is ideally situated within the vibrant North Michigan Avenue submarket, offering unparalleled convenience and prestige. The property is located in Chicago, Illinois, zip code 60611.
Ownership intelligence
Resolved identity, portfolio, hold profile and investor signals. Included in the full report.
Owner contacts
Skip-traced phones and e-mails of the owner. Included with the full report.
Mortgages
Recorded lenders, amounts and estimated maturities of the owner's loan book — in the full report.
Property tax
No data for this sectionNo tax or assessment record is on file for this parcel in the county feed.
Value estimate
· Sep 2026No data for this sectionNo value estimate could be modeled: the record carries too little market input for this parcel.
Recently sold
No data for this sectionNo cleaned sale $/SF benchmark exists for this use type in this ZIP, submarket or county yet.
Cap rate analysis
No income signal is modeled for this parcel yet — the Cap Rates tab runs the workflow.
Zoning insight
No data for this sectionNo zoning code is on file for this parcel. Coverage grows with every catalog release.
Location intelligence
Demand index: how under-served this business type is around this point — modeled from the LocInt grid (area demand vs. what already operates, adjusted by real visit traffic). Higher means stronger unmet demand.
Location
Every figure names its source: public record, benchmark, or modeled. Coverage varies by property — thin data is stated as missing, never invented.
Comparables
6 recorded sales · 18 properties nearbyComparable nearby
Similar Nearby for Sale
Similar Nearby for Lease
Instant AI valuation built from comps, income signals, and proprietary benchmarks.A defensible range, not a single guess.
from $99/month
- GBA
- 135,620 SF
- Year built
- 1986
Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
from $99/month
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
No zoning code is on file for this parcel. Zoning coverage grows with every catalog release — check back, or open Location Intelligence for use analysis of this corner.
Phones and e-mails of the people behind this property's owner, traced from licensed contact data.
Owner phones and e-mails come with the full report for this property - traced from licensed contact data, with verification and Do-Not-Call flags on every number.
Unlock the evidence behind ownership: portfolio, transactions, debt and signals that help you decide who to contact next.
Registration is required before any owner information is shown.
The mortgage data is behind the paid report: recorded loans of the owner - lender, amount, rate and the estimated maturity - as part of the Ownership Intelligence workspace.
Registration is required before any owner information is shown.
- Ownership
- Owner Contacts
- Full Property Data
- Historical Records
- Value Estimation
- NOI Potential
- Cap Rate Calculation
- Location Insight
- Alternative use
- Local Zoning Insight
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- Full Property Data
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- Value Estimation
- NOI Potential
- Cap Rate Calculation
- Location Insight
- Alternative use
- Local Zoning Insight
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- 300 reports a month
- Ownership
- Owner Contacts
- Location Analytics
- Everything in the Light report
- Full Property Data
- Historical Records
- Value Estimation
- NOI Potential
- Cap Rate Calculation
- Location Insight
- Alternative use
- Local Zoning Insight
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- Full Property Data
- Historical Records
- Value Estimation
- NOI Potential
- Cap Rate Calculation
- Location Insight
- Alternative use
- Local Zoning Insight
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