309 West Wisconsin Street, Chicago
technical data · neighborhood and transit
Quick answers
- Does 309 West Wisconsin Street have open permits or code violations?
- Chicago Department of Buildings lists 14 permits, 3 not closed, and 1 violation, 1 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 309 West Wisconsin Street at risk for?
- FEMA's National Risk Index rates the area relatively low overall, with elevated tornado and heat wave risk.
Permits and code violations
3 permits not closed out. Unfinished permits pass to the next owner. 1 open violation.
- Permit – express permit program Jul 2026Active
Scope: roof replacement. area: 1299 sq. ft. roof covering: mineral - surfaced roll roofing. location: on the roof top of building. il roofing contractor license: 104018798.
- Permit - easy permit process May 2021
Doors (replacement only): qty 1. rear door only.
- Permit – express permit program Jan 2012Complete
Running cat 5 and 16/2 speaker wire for distributed audio/ video.
- Permit - renovation/alteration Jan 2012Complete
Interior & exterior alterations to single family residence per arch. revision to permit # 100363548.
- Permit - renovation/alteration Aug 2011Complete
Construction of a 2nd flr rear addition and related remodeling to extg 3-story+basement, type 3b, single family residence
- Permit - renovation/alteration Apr 2011Complete
(rear 2nd floor) additions to 3 story single family townhouse and addition to detached 2-car garage per plans (with a enclosed breezeway). (h.e.d-zoning)
- Permit - renovation/alteration Aug 2008Complete
Bedroom addition at second floor rear , and extension of third floor at rear, including new roof deck at 3rd floor and exterior stair. scope also includes replacement of existing interior stair from ground floor to 3rd floor.
- Permit – express permit program Jul 2007Complete
Additions to existing low voltage alarm system
- Permit - renovation/alteration Apr 2007Complete
Interior alterations, rebuild rear exterior wall, re-build terraces, replace boiler & water heater to single family residence per architect's plans (revision work to permit #100163298 issued 2/22/2007)
- Permit - renovation/alteration Feb 2007Complete
Demo existing walls as noted and replace drywall as per plan
- Permit - renovation/alteration Feb 2007Complete
Erect new masonry garage with attached roof top deck per arch. plans. erect new steel frame stairs at rear of bldg..
- Permit - renovation/alteration May 2006Complete
Detached masonry garage with roof deck, interior and exterior alterations to all floor as per architect's plans - including electrical and plumbing and hvac work
Chicago Department of Buildings
Safety and environment
FEMA natural hazard risk
Relatively Low
Highest for this area: tornado, heat wave, cold wave. These drive insurance cost here.
FEMA National Risk Index, census tract
Leaking fuel tanks
3 within 1,650 ft
Nearest: Orleans Clark Holdings, Llc, 2036 North Clark Street (1,200 ft), open. 2 still open. Ask whether groundwater or soil vapor testing was done.
EPA UST Finder, leaking underground storage tank releases
Toxic release facility
3,800 ft
Midwest Zinc Corp Chicago Facility and 6 more within a mile. 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
950 ft
LaSalle Elem Language Academy (950 ft), Lincoln Park High School (2,600 ft), Newberry Elem Math & Science Acad (2,650 ft). Confirm the assigned school with the district.
U.S. Department of Education, NCES
Sinkhole-prone ground
Limestone karst
The bedrock here (dolostone (dolomite), Silurian) can dissolve and open sinkholes. Ask for a geotechnical report and check whether sinkhole coverage is in the insurance policy.
USGS Karst in the United States (OFR 2014-1156)
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
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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
More on West Wisconsin Street
All addressesViewing recommendations
What's worth checking in person before deciding.
- Semi-detached or row house: the shared wall matters. Listen from the room adjoining the neighbor's side and ask whether any structural work has been done there.
- Test water pressure and temperature at the tap, in the bathroom and kitchen, for at least a minute.
- This is a house, not an apartment. Check the lot boundaries, car access, and how water drains from the yard after rain, including whether the neighboring lot sits higher and could send water toward the property.
- Ask what heating system is in place (own boiler, wood, gas) and request the last winter month's bills.
- Ask to see the construction documents (permit, sign-off) and check for visible cracks on the facade or in the attic/basement.
- Check the condition of the fence, yard, and sidewalk out front: who is responsible for upkeep, and whether there are any boundary disputes with neighbors.
- Check the roof, gutters, and downspouts for signs of leaks or recent repairs, especially if it has rained recently.
Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.