Data as of October 2026 | Last updated October 13, 2026
Warrenville office vacancy is 24% across the 12 multi-tenant buildings Tenant Advisors tracks. Class B asks about $21–$24/SF gross; the limited Class A-quality space runs about $27–$30/SF.
Net absorption was -21,600 SF over the past year, as move-outs outpaced new leases. Tenant Advisors, Inc. represents only tenants in Warrenville and the East-West Corridor office market, at no cost to tenants. Call (847) 778-0296.
Key Takeaways
- Vacancy is 24% across 12 tracked multi-tenant buildings.
- Net absorption over the past 12 months: -21,600 SF.
- Class B asks about $21–$24/SF gross; limited Class A-quality space about $27–$30/SF.
- The largest available block is about 204,000 SF at Cantera Meadows West.
- Sublease space is available in several notable buildings, including Cantera Meadows East.
Warrenville Office Market Facts and Figures
Tenant Advisors tracks multi-tenant office buildings in Warrenville, the competitive set where most tenants of 3,000 to 50,000 SF lease space. Owner-occupied buildings are excluded.
| Metric | Warrenville |
|---|---|
| Tracked buildings | 12 |
| Vacancy rate | 24% |
| Net absorption, trailing 12 months | -21,600 SF |
| Class A asking rent | $27–$30/SF gross (limited Class A supply) |
| Class B asking rent | $21–$24/SF gross |
| Free rent | 1–1.5 months per lease year |
| Tenant improvement allowance | $6–$8/SF per lease year (Class A) |
| Sublease space available | Yes, in several notable buildings |
| New construction | None |
| Most available space in one building | ~204,000 SF (Cantera Meadows West, 28100 Torch Pkwy.) |
Figures reflect Tenant Advisors’ market tracking of multi-tenant office buildings in Warrenville. Rents and concessions are Tenant Advisors’ tracked-transaction ranges, quoted full-service gross. Data is updated quarterly.
Is Warrenville Office Space Filling Up or Emptying Out?
Losing occupancy. Warrenville gave back 21,600 SF of occupied space over the past year, and vacancy is 24%. Landlords carrying vacancy are competing harder on rent, free rent and build-out dollars.
What Are the Notable Office Buildings in Warrenville?
| Building | Address | Size (SF) | Built | Class | % Leased | Available (SF) |
|---|---|---|---|---|---|---|
| Cantera Meadows West and East | 28100 Torch Pkwy. and 4101 Winfield Rd. | 379,622 | 1997–2002 | B | 81% | 238,593 |
| Cornerstone at Cantera | 4320 Winfield Rd. | 152,520 | 1998 | B | 84% | 40,876 |
| Keystone at Cantera | 4525 Weaver Pkwy. | 91,657 | 2001 | B | 100% | 9,355 |
| Cantera Pointe | 4355 Weaver Pkwy. | 62,256 | 1999 | B | 78% | 27,134 |
| Cantera Lakes | 4580 Weaver Pkwy. | 50,076 | 1996 | B | 89% | 16,553 |
| Diehl Point North | 4575 Weaver Pkwy. | 66,586 | 2001 | B | 100% | 53,966 |
Available SF includes direct and sublease space, including space coming available. Tenant Advisors market tracking, October 2026.
Cantera Meadows West and East, 28100 Torch Pkwy. and 4101 Winfield Rd.
About 380,000 SF across 2 buildings, Class B, built 1997–2002. About 81% leased with roughly 239,000 SF available, including space coming available.
Cornerstone at Cantera, 4320 Winfield Rd.
153,000 SF, Class B, built 1998. About 84% leased with roughly 41,000 SF available.
Keystone at Cantera, 4525 Weaver Pkwy.
92,000 SF, Class B, built 2001. Fully leased today, with about 9,000 SF coming available.
Is There Sublease Office Space in Warrenville?
Yes. Sublease options are currently available in several of Warrenville’s notable buildings, including Cantera Meadows East, Cantera Pointe and Diehl Point North. Sublease space often comes at a discount to direct rent, with furniture and cabling in place, but the term is limited to what remains on the original lease. See our Chicago office sublease guide.
How Does Warrenville Compare With Other East-West Corridor Cities?
| City | Vacancy | 12-mo net absorption (SF) | Asking rent, gross | Tracked buildings |
|---|---|---|---|---|
| Naperville | 26% | -10,500 | A $28–$32; B $23–$26 | 66 |
| Oak Brook | 27% | -69,000 | A $34–$38; B $24–$28 | 52 |
| Downers Grove | 23.5% | -2,000 | A $31–$35; B $24–$27 | 36 |
| Lombard | 29.5% | +15,400 | A $28–$32; B $21–$24 | 31 |
| Oakbrook Terrace | 22% | +86,900 | A $30–$34; B $23–$26 | 23 |
| Lisle | 31% | +10,900 | A $27–$31; B $22–$25 | 23 |
| Wheaton | 17.5% | -6,800 | A $24–$27; B $20–$23 | 17 |
| Aurora | 20.5% | -18,300 | A $26–$29; B $21–$24 | 15 |
| Burr Ridge | 29% | -2,100 | A $28–$32; B $23–$26 | 13 |
| Warrenville | 24% | -21,600 | A $27–$30; B $21–$24 | 12 |
| Woodridge | 17% | +8,600 | A $25–$28; B $20–$23 | 12 |
| Willowbrook | 15.5% | +3,000 | A $24–$27; B $19–$22 | 8 |
Tenant Advisors market tracking, multi-tenant office buildings, October 2026. Rents are Tenant Advisors’ tracked-transaction figures per SF per year.
Where Is the Leverage in Warrenville Right Now?
In the buildings carrying the most vacancy. At 24% vacancy, the market is still soft, but the best-leased buildings negotiate more firmly. Warrenville competes with Naperville, Lisle, Wheaton and Aurora for the same tenants, and pricing those options against each other is the most effective lever.
What Should Tenants Negotiate on a Warrenville Office Lease in 2026?
- Rent: target effective rent after concessions, not the asking rate.
- Free rent: 1 to 1.5 months per year of lease term, or 5 to 7.5 months on a 5-year lease.
- Tenant improvement allowance: $6 to $8/SF per year of lease term in Class A ($30 to $40/SF on a 5-year lease) and about $3 to $6/SF per year in Class B. Get build-out pricing before you negotiate this number.
- Ownership protection: a non-disturbance agreement and build-out funding that survive a sale or foreclosure.
- Operating expense caps: 4% to 6% annually on controllable expenses.
- Flexibility: expansion, contraction and sublease rights, negotiated upfront.
- Parking: included in rent for the full term with no separate escalation.
Why Do Companies Lease Office Space in Warrenville?
Warrenville’s office market is concentrated in the Cantera development at I-88 and Winfield Road, next to Naperville’s Diehl Road corridor. Cantera’s Class B buildings offer tollway visibility and on-site amenities at rents below Naperville and Lisle, and draw technology, engineering and professional services tenants. For the full market picture, see our East-West Corridor office market page.
Frequently Asked Questions
What is the office vacancy rate in Warrenville, IL in 2026?
Warrenville multi-tenant office vacancy is 24% as of October 2026 across the 12 buildings Tenant Advisors tracks. Net absorption over the past 12 months was -21,600 SF.
How much does office space cost in Warrenville, IL?
Class B office space in Warrenville asks about $21–$24/SF gross, and the limited Class A-quality space about $27–$30/SF. Tenants running a competitive process typically pay less once free rent and build-out dollars are counted.
What is the largest office property in Warrenville?
Cantera Meadows West and East at 28100 Torch Pkwy. and 4101 Winfield Rd., about 380,000 SF, is the largest multi-tenant office property in Warrenville that Tenant Advisors tracks.
Is there sublease office space in Warrenville?
Yes. Sublease options are available in several of Warrenville’s notable buildings, including Cantera Meadows East.
How much free rent can I get on a Warrenville office lease?
Tenants are getting 1 to 1.5 months of free rent per year of lease term, or 5 to 7.5 months on a 5-year lease, plus tenant improvement allowances of $6 to $8/SF per lease year in Class A.
Who represents tenants in Warrenville office leases?
Tenant Advisors, Inc., founded in 2004 by Tom Koelzer and Dave Ven Horst, represents only office tenants in Warrenville and the East-West Corridor. The firm never represents landlords, and tenants pay nothing for the service. Contact Tom Koelzer at (847) 778-0296 or tkoelzer@tenantadvisors.com.
About the authors: Tom Koelzer (Co-Founder & Managing Partner, LinkedIn) and Dave Ven Horst (Co-Founder & Managing Broker, LinkedIn) founded Tenant Advisors, Inc. in 2004. Both have worked in Chicago office leasing since 1986, and the firm has negotiated more than 2,000 office leases, representing tenants only. Benchmark your Warrenville lease against the market: (847) 778-0296 | tkoelzer@tenantadvisors.com.
Explore Nearby Office Markets
East-West Corridor office market • Naperville office space • Lisle office space • Wheaton office space • Aurora office space • All Chicago suburban office markets
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