3631-3637 North Harlem Avenue, Chicago
technical data · neighborhood and transit
Quick answers
- Does 3631-3637 North Harlem Avenue have open permits or code violations?
- Chicago Department of Buildings lists 8 permits, 4 not closed, and 4 violations, 4 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 3631-3637 North Harlem Avenue 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
4 permits not closed out. Unfinished permits pass to the next owner. 4 open violations.
- Permit - signs Nov 2017
Channel letters sign installed on east elevation facing west
- Permit - renovation/alteration Dec 2016Complete
Self-cert: interior build out of former accounting office for nail salon within existing space of a commercial one-story masonry building. build out includes salon area with 6 pedicure chairs, 1 utility sink, 1 hi-lo drinking fountain, 1 hand sink, 1 water heater, and 1 washer / dryer per plans.
- Permit - signs Nov 2010
Installation of illuminated channel letter sign inside strip center e property centered on store.
- Permit – express permit program Aug 2010Complete
Installation of a low voltage burglar alarm system, job#329-12474-01 dr. malik zayed and the sales rep is leland leong.
- Permit - renovation/alteration Jul 2010Complete
Interior build-out in a commercial unit of a strip mall. ** condidtional permit subject to audit & field inspection **
- Permit – express permit program Feb 2010Complete
Installation of a low voltage security alarm system job # 329-11776 global taxes and accounting a.kaczmarczyk contact adt sales rep bryan crocco
- Permit - signs Oct 2009
One (1) double face sign / internally illuminated / top sign = internally painted clear lexan tenant signs = white plex brick base by others
- Permit - signs Jun 2009
Nsi signs to permit one (2'-0" x21'-0") illuminated channel letter set with logo. sign is already installed this is to correct a violation issued by the city of chicago. no electrical work performed.
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: Amoco Oil Co. #19517, 3611 North Harlem Ave. (300 ft), no further action. Every release here is closed by the state regulator.
EPA UST Finder, leaking underground storage tank releases
Toxic release facility
4,450 ft
Flexan Corp and 1 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
2,300 ft
Dever Elem School (2,300 ft), Bridge Elem School (2,400 ft), J Giles Elem School (4,900 ft). Confirm the assigned school with the district.
U.S. Department of Education, NCES
Major airport
5.5 mi
Chicago O'Hare (ORD). Aircraft may be audible under approach paths.
FAA large-hub airports
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 North Harlem Avenue
All addressesViewing 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.
- 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.
- 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.
- Look at the stairwell (cleanliness, smell) and the association's notice board: unpaid dues, conflicts, recent decisions.
- 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.
Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.
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