Data Centers in Yorkville: 5 Things Buyers Miss

What should buyers know about data centers in Yorkville before they shop?

Data centers in Yorkville sit mainly along the Eldamain Road corridor on the city’s north and northwest side, not in every neighborhood. The city keeps a public petition list for each campus, adopted energy-industrial standards in 2025 for buffers, building separation, height, and noise studies, and buyers still have to check the address themselves because the Illinois seller disclosure form does not ask about nearby future development. If you are just starting to look, map the campuses first, then tour homes with that map in hand.

By Kealan O’Neil | October 12, 2026

If you are starting to look at homes in Chicago’s Western Suburbs, you have probably seen headlines about data centers in Yorkville. Construction trucks on Eldamain Road, council meetings that run late, and neighbors asking what goes next to a farm field are part of the same story.

Those headlines about data centers matter for buyers, but they are not a reason to write off the whole town. Yorkville is still adding homes, roads, and retail across a large footprint. The useful question is narrower: where are the data centers, what rules did the city put on them, and how do you check one address before you write an offer?

Here is what I would want you to know before your first weekend of showings.

Where the data centers in Yorkville actually sit

The United City of Yorkville publishes a Data Center Information page that lists each petition, the meeting trail, and the ordinance numbers. Three large campuses dominate the conversation:

• CyrusOne CHI-11 (C1 Yorkville). About 228 acres immediately east of Eldamain Road, north of the BNSF railroad and Faxon Road, and west of Beecher Road. The city’s CHI-11 project page describes a major PUD amendment that cut the plan from nine two-story buildings (about 2.45 million square feet) to eight one-story buildings with a maximum footprint of about 2.16 million square feet, and lowered maximum height from 70 feet to about 50 feet 10 inches. City Council took final action on July 14, 2026 (Ord. 2026-50).
• Project Steel (Prologis). About 540 acres east of Eldamain Road between Corneils Road on the south and Galena Road on the north. The city’s Project Steel page notes a March 18, 2026 revision to 16 data center buildings. Annexation, rezoning, and PUD ordinances appear on the archived petition table as Ord. 2026-29 through 2026-33 (recording pending on some agreements).
• Project Cardinal (Pioneer). About 1,037 acres northwest of Route 47 and Galena Road, south of Baseline Road, and east of Ashe Road. The city’s Project Cardinal page describes fourteen data center buildings totaling over 17 million square feet, plus substations and a utility switchyard.

Other petitions appear on the same archived list (Kelaka, Hagemann, DMYF, and others). Some were approved for annexation or rezoning; at least two later filings were withdrawn. Treat the table as the living map, not a rumor thread.

CyrusOne’s own project page says water and sanitary work began in 2025, site work began in early 2026, the first building is expected in late 2027, and full operations are expected in 2028. That is the developer’s timeline. Confirm current status on the city page before you rely on a date.

5 things buyers miss about data centers in Yorkville

1. “Yorkville” is not one distance from every campus

A home near downtown Yorkville, south of Route 71, or deep in a subdivision on the east side can be miles from Eldamain Road. A home north of Galena Road or west toward the county line can sit much closer to Project Steel or Project Cardinal. The label “data centers in Yorkville” is town-wide in the news and site-specific on the ground.

Open the city’s project pages for data centers, find the road names, and put them next to the listing’s map pin. Then drive the route at the hour you would actually commute. Construction traffic and finished industrial traffic are different problems, and both are address-level, not town-level.

2. Yorkville already wrote rules for buffers, height, and noise studies

In June 2025 the city adopted Ordinance 2025-53, which replaced Section 10-4-10 of the Unified Development Ordinance with standards for energy industrial uses. Among other requirements, the ordinance calls for:

• A minimum 100-foot landscape buffer when the site is adjacent to non-manufacturing zoning, plus 8-foot-tall berms when adjacent to residential subdivisions
• A minimum 100-foot landscape buffer along public roadways
• A minimum 500-foot separation from the nearest data center building or structure to the nearest residential or commercial structure
• A maximum height of 70 feet, including rooftop mechanical equipment, for data centers within 1,500 feet of a residential structure (rooftop HVAC needs City Council approval)
• An initial noise study at PUD review and a final noise study at permitting, reviewed by the city’s sound consultant, plus mitigation so operations meet the city’s noise ordinance
• Major mechanical equipment fully enclosed or screened; generator testing limited to 11 a.m. to 5 p.m. on weekdays, excluding holidays
• Three years of annual noise monitoring after construction, or continuous monitoring devices with reports to the city for the life of the development
• A construction traffic management plan, lighting plans, and an emergency operations plan approved with the fire protection district before a building permit

Those standards are process tools, not a promise that you will never hear equipment. They tell you what the city required on paper. Read the specific PUD for the campus near the home you like, because individual amendments can add conditions on top of the base ordinance.

3. Construction lasts longer than a model-home sales cycle

Large data centers are usually phased over many years. Project Steel’s city materials describe a multi-phase buildout. CyrusOne’s materials describe a first building late in 2027 and operations in 2028, with more buildings after that. Buyers who close in 2026 or 2027 may share the road with construction traffic for a while even if the finished campus is set back from homes.

Ask three practical questions on any listing near Eldamain, Galena, Faxon, or Beecher: Which campus is closest? Which phase is active? What does the traffic management plan say about haul routes? The city’s ordinance requires a traffic management plan during construction, including a communication strategy and an on-site contact. That paperwork is public for a reason.

4. The seller disclosure form will not hand you a zoning map

Illinois sellers fill out the Residential Real Property Disclosure Report under 765 ILCS 77/35. The form asks about defects the seller is actually aware of on the property: foundation, roof, plumbing, flooding, radon, boundary disputes, and similar items. It does not ask the seller to inventory nearby planned data centers or to predict what a vacant field will become.

“Aware” on that form means actual notice or actual knowledge without a special investigation. So a seller who never followed City Council may honestly mark the form while a rezoning hearing is still on the calendar across town. Our guide to future development in Yorkville walks through how to check zoning, agendas, and project pages yourself. Do that homework before attorney review ends, not after you move in.

5. Water, power, and taxes are campus-specific, not town averages

Data centers use electricity and, depending on the cooling design, water. Yorkville’s standards and individual PUD amendments have been used to limit and monitor those impacts, and the city has also been working through a long-term switch toward Lake Michigan water with neighboring towns. My post on Lake Michigan water in Yorkville covers the WaterLink timeline for buyers who want the utility side of the story.

Tax effects are local too. Finished data centers can add assessed value to the parcels they occupy. That is not the same as predicting your individual tax bill two streets away. Pull the PIN for the home you want, read the current bill, and ask which exemptions belong to the seller. For new construction nearby, use the same catch-up logic I outline in the new construction property taxes guide.

How to check data centers before you tour

Use the same six steps on every Yorkville address you like so the comparison stays fair.

1. Open the city’s data center petition table. Start with the archived Data Center Information page and note which projects are approved, amended, or withdrawn.
2. Pin the three big campuses on a map. Eldamain and Faxon for CyrusOne, Eldamain between Corneils and Galena for Project Steel, and Route 47 / Galena / Baseline / Ashe for Project Cardinal.
3. Read the project page for the nearest campus. Confirm acreage, building count, ordinance numbers, and the latest meeting packet.
4. Skim Ordinance 2025-53 for the baseline rules. Buffers, 500-foot building separation, height, noise studies, and generator testing hours are the checklist items most buyers care about first.
5. Drive the commute and the haul route. Visit at rush hour and on a weekday when construction is active, not only on a quiet Sunday.
6. Bring the findings to attorney review. Ask your attorney what, if anything, belongs in the contract, and keep the city printouts with your closing file.

If you are also touring finished new homes while you research land use, my guide to move-in ready homes in Yorkville covers occupancy permits and first-year bills.

Questions buyers ask about data centers in Yorkville

These come up most often when people are just starting to look.

Talk through the map before you fall for a house

Data centers in Yorkville are a real land-use story, and they are also a research problem you can solve with public records. The goal is not to scare you out of Kendall County. The goal is to make sure the home you like still fits after you know what is planned down the road.

If you are just starting to look, send me the addresses you are curious about. I will help you pull the nearest campus pages, compare distance and construction timing, and walk through what to ask before you tour. No pressure and no commitment. Call or text Kealan at 630-425-8815.

About Kealan O’Neil
Kealan O’Neil is the Designated Managing Broker and founder of O’Neil Property Group, an independent real estate brokerage based in Yorkville, Illinois. He and his team help buyers and sellers in Yorkville, Oswego, Montgomery, and the surrounding Kendall and Kane County communities, and he owns and manages a local rental portfolio, so he approaches every decision as both a broker and an investor. Call or text Kealan at 630-425-8815.

This post is general information about real estate in the Fox Valley, not legal, tax, or financial advice. Real estate laws, tax rules, and municipal ordinances change, and how they apply depends on your specific situation. Talk with a licensed attorney, CPA, or lender before making decisions about a purchase, sale, or tax matter. O’Neil Property Group is a licensed Illinois real estate brokerage.