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717-723 South Wells Street, Chicago

Office building

technical data · neighborhood and transit

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Quick answers

Does 717-723 South Wells Street have open permits or code violations?
Chicago Department of Buildings lists 60 permits, 27 not closed, and 60 violations, 26 open.
What is the 2026 conforming loan limit in Cook County?
$832,750 for a single-unit home, per FHFA. Larger loans are jumbo loans.
Is radon a problem here?
EPA radon zone 2, moderate potential.
What natural disasters is 717-723 South Wells Street at risk for?
FEMA's National Risk Index rates the area relatively high overall, with elevated tornado and inland flooding risk.

Permits and code violations

27 permits not closed out. Unfinished permits pass to the next owner. 26 open violations.

  1. Permit – express permit program Sep 2026Active

    Low voltage/communication electrical work. install security. specific location: 6th flr.

  2. Permit - renovation/alteration Jun 2026Active

    Dds 2019 cbc: interior alterations to existing 6th floor data center (includes replacement of 5 existing ahus with 6 new crah units, new air cooled chillers on the roof, roof modification to accomodate new units & new guard rail and grating surrounding the units) (occupany group b & s-1. type ia construction) consultant reviewer: v3 companies of il

  3. Permit – express permit program Jan 2026Active

    Line voltage electrical work. alter existing system iii emergency lighting. receptacle outlets: 0 . lighting outlets: 0. specific location: basement, 4th floor.

  4. Permit – express permit program Aug 2025Complete

    Line voltage electrical work. add 1 circuits to existing 700 amp service disconnecting means. add 1 circuits to existing 700 amp service disconnecting means. receptacle outlets: 2 . lighting outlets: 0. specific location: 4th and 5th floor.

  5. Permit – express permit program Jul 2024Complete

    Revision to epp permit # b200017576 - substitution of the roofing system from a "modified bitumen roofing system" to a "thermoplastic polyolefin (tpo) roofing system" (6,400 s.f.).

  6. Permit – express permit program Jul 2024Complete

    Revision to permit #b200017576. to change of roofing contractor.

  7. Permit – express permit program May 2024Suspended

    Scope: roof replacement. area: 6400 sq. ft. roof covering: built-up roof. location: roof only. il roofing contractor license: 104018909.

  8. Permit – express permit program Mar 2024Complete

    Temporary scaffolding: qty: 1, max. length: 60 ft., max. height: 80 ft. location: south elevation. permit expiration date: 365 days from permit issued date

  9. Permit – express permit program Mar 2024Complete

    Temporary scaffolding: qty: 1, max. length: 95 ft., max. height: 110 ft. location: all facade elevations. permit expiration date: 365 days from permit issued date

  10. Permit – express permit program Mar 2024Complete

    Install (2) 144 strand fiber runs from the 6th to the 9th floors-install cable tray to support fiber runs. terminations and testing of fiber job # 2180058

  11. Permit – express permit program Oct 2023Complete

    **fire alarm permit**installation of fire alarm system in data center on 9th floor. connection to existing approved high-rise fire alarm & voice system.

  12. Permit - easy permit process Jun 2023

    Remove/replacer wet insulation areas,install new (24)ga. gutters & downspouts.coat entire roof with sikalastic coating.no structual work(10,500 sq ft).

Chicago Department of Buildings

Safety and environment

FEMA natural hazard risk

Relatively High

Highest for this area: tornado, inland flooding, heat wave, cold wave. These drive insurance cost here.

FEMA National Risk Index, census tract

Leaking fuel tanks

12 within 1,650 ft

Nearest: B&B Parking, 633 South La Salle St. (500 ft), open. 2 still open. Ask whether groundwater or soil vapor testing was done.

EPA UST Finder, leaking underground storage tank releases

Brownfield site

2,150 ft

Industrial Scrap Recycling Company. Former industrial land in EPA's cleanup and reuse program.

EPA ACRES Brownfields

Toxic release facility

1,750 ft

Us Customs House Firing Range. Reports chemical releases to air, water or land to EPA each year.

EPA Toxics Release Inventory

Radon potential

Moderate

Average indoor levels of 2 to 4 pCi/L. EPA still suggests testing ground-floor and basement units.

EPA and USGS Geologic Radon Potential Map

Nearest public schools

1,450 ft

Jones College Prep High School (1,450 ft), South Loop Elem School (2,550 ft), Intrinsic 2 Charter High School (2,900 ft). Confirm the assigned school with the district.

U.S. Department of Education, NCES

Major airport

8.5 mi

Chicago Midway (MDW). Aircraft may be audible under approach paths.

FAA large-hub airports

Conforming loan limit 2026

$832,750

Cook County. Mortgages up to this amount qualify for Fannie Mae and Freddie Mac pricing. Above it, the loan is a jumbo with stricter terms.

FHFA Conforming Loan Limit Values, one-unit

Sunlight

How the sun hits 717-723 South Wells Street, Chicago

Sunlight at this address
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Building typeOffice building

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Who lives and works in Chicago

Trading floors, logistics and the deepest architecture stock in America

Chicago carries a full corporate economy at a price the coasts do not match. Neighborhoods are distinct and walkable, two and three flats are everywhere, and the Loop still sets the commute for finance, law and consulting.

$71,673
median household income
18.9%
residents aged 25 to 34
45%
households that own their home

What pays the bills

  • Finance and trading
  • Logistics and rail
  • Law and consulting
  • Healthcare
  • Manufacturing

Who anchors the economy

CME Group · Boeing suppliers · University of Chicago · Northwestern Medicine · United Airlines

The market is shaped around

  • Young professionals
  • Families buying space
  • Two and three flat owners
Read the Chicago city report →

More on South Wells Street

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Viewing recommendations

What's worth checking in person before deciding.

  • Test water pressure and temperature at the tap, in the bathroom and kitchen, for at least a minute.
  • Look at the stairwell (cleanliness, smell) and the association's notice board: unpaid dues, conflicts, recent decisions.
  • Ask for the latest maintenance bill from a winter month, not a summer one: that's where the real cost of living there shows up.
  • Ask specifically where you'd park: is there paid city parking, who currently holds it, what the permit costs, and how long the waitlist is.
  • Knock on a neighboring door and ask two things: what bothers them most often, and what work is planned for the building.
  • Schedule a viewing on a weekday too, between 6:00 and 7:30 PM, the window when the building is busiest: neighbors, parking, elevator.

Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.