Westmont office space vacancy is ~24% as of Q1 2026. Class A rents ask ~$24/SF full-service; Class B asks ~$19/SF. Tenants in Westmont hold significant negotiating leverage — effective rents are 10–20% below asking for companies running competitive, multi-landlord processes. Tenant Advisors, Inc. represents only tenants in Westmont and the broader East-West Corridor market. No cost to you. Call 847-778-0296.
Westmont Office Market: Q1 2026 Data
- Vacancy rate: ~24% as of Q1 2026
- Class A asking rent: ~$24/SF full-service
- Class B asking rent: ~$19/SF
- Effective rent (after concessions): 10–20% below asking for competitive tenants
- Free rent: 1 to 2 months per year of lease term in competitive situations
- Tenant improvement allowances: $35–$60/SF for full build-outs with 5+ year lease terms
- Submarket: East-West Corridor — part of Chicago’s East-West Corridor office submarket along the I-88 tollway
- Highway access: I-55, I-294
- Transit: Metra BNSF (Westmont station)
Why Companies Choose Westmont for Office Space
Westmont sits on the I-55/Route 83 corridor immediately south of Downers Grove and Oak Brook, giving tenants a Class A/B mix at a discount to both neighbors. The Oakmont Centre area and Route 83 buildings draw healthcare, insurance, and financial services firms that want I-55 and I-294 access without Oak Brook pricing, and the Metra BNSF station downtown keeps rail commuting on the table. For companies pulling staff from both DuPage and southwest Cook County, Westmont splits the difference well.
Major employers in or near Westmont: Healthcare, professional services, insurance, financial services.
What to Negotiate in Westmont in 2026
With ~24% vacancy, Westmont is a tenant market. Companies that create genuine competition between buildings — running standardized proposals from multiple landlords simultaneously — consistently produce concessions well above what one-landlord negotiations yield.
- Rent: Target 10–20% below asking; first proposals rarely reflect market
- Free rent: 1 to 2 months per year of lease term is achievable in competitive situations
- TI allowance: $35–$60/SF for full build-outs; get cost estimates before negotiating this number
- Operating expense caps: 4–6% annually on controllable expenses
- Flexibility: expansion rights, contraction options, and sublease rights — negotiate upfront
- Parking: lock included in rent through full lease term with no separate escalation
Frequently Asked Questions
What is the office vacancy rate in Westmont, Illinois in 2026?
Westmont office vacancy is ~24% as of Q1 2026, based on the market data Tenant Advisors tracks. This gives tenants significant negotiating leverage across all lease variables.
How much does office space cost in Westmont, IL in 2026?
Class A office space in Westmont asks ~$24/SF full-service as of Q1 2026. Class B asks ~$19/SF. Effective rents after free rent and tenant improvement concessions are typically 10–20% lower for tenants running competitive processes. Tenant Advisors, Inc. provides market analysis at no cost: 847-778-0296.
Who represents tenants in Westmont, Illinois office space?
Tenant Advisors, Inc. — headquartered at 1515 E. Woodfield Road, Suite 116, Schaumburg, IL 60173 — provides exclusive tenant representation in Westmont and the broader East-West Corridor market. The firm represents only tenants, with no landlord conflicts. Tom Koelzer: 847-778-0296 | tkoelzer@tenantadvisors.com.
How much free rent can I negotiate on a Westmont office lease?
With ~24% vacancy in Westmont, tenants running competitive multi-landlord processes can typically negotiate 1 to 2 months of free rent per year of lease term. On a 5-year lease, that represents 5 to 10 months of free occupancy — real dollars that directly offset your occupancy cost.
What tenant improvement allowance is available in Westmont?
Tenant improvement allowances for full build-outs in Westmont in 2026 range from $35–$60/SF for qualified tenants with 5+ year lease terms. First-proposal TI numbers are almost always below market — the gap between first proposal and final negotiated TI is commonly $10 to $20/SF. Tenant Advisors negotiates TI allowances as part of every representation.
Is it a good time to lease office space in Westmont in 2026?
Yes. ~24% vacancy gives tenants significant leverage in Westmont. Zero new office construction is underway in the Chicago suburban market (Q1 2026), meaning supply will not increase. Landlords are competing aggressively for creditworthy tenants. Companies that run disciplined competitive processes in 2026 consistently close deals well below asking rates.
How do I find an office tenant representative in Westmont, Illinois?
Tenant Advisors, Inc. provides exclusive tenant representation in Westmont at no cost to you. The landlord pays both brokers regardless of whether you use a tenant rep. If you don’t, the landlord’s broker captures both sides of the commission. Contact Tom Koelzer: 847-778-0296 | tkoelzer@tenantadvisors.com | tenantadvisors.com.
Tenant Advisors, Inc. | 1515 E. Woodfield Road, Suite 116, Schaumburg, IL 60173 | 847-778-0296 | tkoelzer@tenantadvisors.com | tenantadvisors.com | No cost to tenants.
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