Roaches, Rats and Sunken Yards at the Mouth of the Calumet

Four villages, one mill and a housing line at 83rd Street

Before it was one place, this corner of the lakefront was four: Ainsworth, the Bush, Millgate and Calumet, settlements that grew up around the river mouth after the Civil War and were merged into a single village of South Chicago in 1883. A rolling mill on the shoreline began operating around 1880 and grew into one of the largest steel operations in the country. Irish, Eastern and Central European, Scandinavian and Italian workers filled the frame houses nearest the gates, and Mexican families followed from the 1910s. The mill shut in 1992 and left a cleared, remediated table of slag and concrete that is larger than the Loop.

The housing still reads like a tree ring of that history. The Bush, Millgate and the eastern part of Cheltenham hold wood-frame Victorian cottages and flats packed onto narrow lots, many past their hundredth birthday. North of 83rd Street and west of Manistee Avenue, most of the blocks filled in after World War II with brick single-family homes and two-flats. That split matters to anyone fighting pests here. The frame side has shared walls, balloon framing, tired plumbing and damp stone or brick basements, which favor cockroaches, rats and termites. The brick side is tighter and drier but takes the brunt of the autumn mouse push.

Cockroaches in the Bush: two species, two separate fights

Ask local providers which call they take most often in the old frame blocks and the answer is roaches. The German cockroach, a small tan insect with two dark stripes behind its head, lives entirely indoors and breeds faster than any other roach in the region. In a converted cottage or a frame three-flat on Houston or Baltimore, it moves between units along plumbing chases, through gaps behind kitchen cabinets and under baseboards that have shrunk away from the floor over a century. One apartment with a heavy population can keep reseeding the whole building no matter how carefully the neighbors clean.

The second species is the oriental cockroach, the large, glossy, nearly black roach that shows up on basement floors and in laundry rooms. It is slow, cannot climb smooth surfaces well and needs a lot of moisture, so it lives in floor drains, sump pits, crawl spaces and the soil around leaking foundations. South Chicago's older basements, many of them stone or soft brick with little waterproofing, suit it perfectly. Seeing them in May and June, when they become most active, is common.

The treatments are not interchangeable. German roaches respond to gel baits placed in hairline cracks, insect growth regulators that keep nymphs from reaching breeding age, and dust in wall voids, applied to every unit at once and checked again in two or three weeks. Oriental roaches need moisture correction, drain treatment and a barrier along the foundation. Over-the-counter foggers make both problems worse by scattering roaches deeper into walls, so identifying the species before anyone sprays saves weeks.

Sunken yards on Houston, Baltimore and Brandon

One feature sets parts of South Chicago apart from almost any other neighborhood. On streets such as Houston, Baltimore and Brandon Avenues, the sidewalk sits well above the front yards, and many houses are reached by short, bridge-like walks that cross over a low yard to a raised door. The arrangement is charming, but it also means rain and snowmelt collect in yards that sit below grade, and basement walls stay wet for days after a storm.

Low, damp yards are an invitation to the moisture-loving pests. Oriental cockroaches and camel crickets breed in the wet soil and in the cavities beneath those walkways. Millipedes and sowbugs gather along foundations. Norway rats like to burrow into the soft, shaded earth under the bridge walks, where they are hidden from the street. Owners of these houses get the most from regrading what they can, extending downspouts past the low ground, sealing the joint where the walk meets the house and keeping firewood, lumber and leaf piles out of the sunken space entirely.

Rats between the slag table and the alleys

The former mill ground east of the neighborhood is hundreds of acres of grassland, scrub, old foundations and remediated slag, with a lakefront prairie park taking shape on part of it. Norway rats do well on open land that sees little human traffic, and they forage west into the alleys behind the Bush and Millgate, where garbage carts, gardens and detached garages offer food and shelter. Construction on the site, and the extension of 87th Street toward the lake, has periodically disturbed burrows and pushed rodents toward homes for a season.

Signs here are fresh burrow holes along garage slabs and fence lines, gnawed cart lids and greasy rub marks where rats travel along foundations. A licensed exterminator will usually set tamper-resistant stations along the alley and fence line, collapse and monitor burrows over several weeks and point out gaps under garage doors. The city's 311 rodent requests can add alley baiting, and when neighbors on the same alley act together, results hold much longer, since rats ignore property lines.

The river edge is a second rat corridor that often gets overlooked. The Calumet River forms the community's southeastern boundary, and its banks, bridge abutments and the rail spurs that once fed the mill give rodents protected travel lanes toward Millgate. Homes within a few blocks of the water should treat the riverside fence line the same way lakefront-side homes treat the alley: no stored lumber or brush against it, no gaps under garage doors, and a quick look for fresh holes after every thaw. Catching a new burrow in March is far easier than dealing with a colony in August.

Pigeons at the river, mice on the brick side, termites in porch framing

Three secondary problems round out the local picture. Pigeons and house sparrows roost under the river bridges, on the ledges of older masonry buildings and beneath porch roofs, and their droppings foul gutters, window sills and steps. Netting or ledge spikes keep them off favored spots, and a wildlife specialist can remove nests before the next brood. North of 83rd, brick homes stay largely free of roaches, but house mice slip in each October through basement window frames, utility lines and worn garage door seals.

Eastern subterranean termites, native to northern Illinois, work quietly in the oldest frame houses, especially where wooden porches rest on posts set in soil or where siding runs down to the dirt line. Winged swarmers appearing indoors on a warm spring day, mud tubes on a basement wall or trim that sounds hollow are worth an inspection. Bessemer Park's trees and its Nature and Wildlife Garden also support squirrels and songbirds, so homes on the park's edges see a little more roofline wildlife than blocks deeper in the grid.

Frame cottage, three-flat or postwar brick: where the trouble starts

Most South Chicago blocks mix eras within a few streets, so it helps to know which kind of building you are dealing with before planning repairs. A frame three-flat from the 1890s and a brick two-flat from the 1950s can sit on the same street and need completely different work. These are the weak points inspectors check first in each common type found in the community, roughly in the order they tend to cause trouble.

• Victorian frame cottage in the Bush or Millgate: the gap where siding meets the foundation, porch posts in soil, and old cast-iron drain lines in the basement.
• Frame two-flat or three-flat: shared pipe chases behind kitchens, the rear wooden stair, the basement laundry and gaps under unit doors.
• Sunken-yard house on Houston, Baltimore or Brandon: the cavity beneath the bridge walk, low foundation walls that stay wet and window wells below grade.
• Postwar brick single-family north of 83rd: basement window frames, utility penetrations and the garage door seal.
• Brick two-flat: party walls in the basement, the attic above the top unit and cabinet backs in both kitchens.
• Detached alley garage: cracked slab edges, service doors that stand open, plus any pet food or bird seed kept inside.

A year on the southern rim of the lake

Snowmelt in March exposes burrows along fences and on the edges of the old mill ground, and rats become visible at dusk. Termite swarmers emerge from frame houses in April and May, pigeons nest under bridges and porch roofs, and odorous house ants start trailing across kitchen counters. Late May and June are the peak for oriental cockroaches in damp basements and sunken yards, and heavy spring rain fills low yards on Houston and Baltimore.

July and August are German cockroach months, when heat and humidity speed breeding in kitchens, and lake breezes bring spiders and midges to porch lights. Rat numbers crest in late summer as young rats leave their burrows. September is the month to seal brick homes before mice arrive in October and November. Through winter, radiator and steam heat keep German roaches breeding in frame flats, and mice stay busy inside walls.

Checklist for frame flats, brick homes and low yards

These steps target the specific mix here: century-old shared walls, wet basements, below-grade yards and a vast open site to the east. Owners of multi-unit buildings should share the list with tenants, because roach control fails if even one kitchen is skipped. Walking the basement, the yard and the alley once in April and again in September, list in hand, catches most problems while they are still small and cheap to fix.

• In every unit, pack copper mesh and sealant into the openings where pipes pass through cabinet floors and the wall behind the range.
• Keep floor drain traps filled with water and screened to block oriental cockroaches.
• Run a dehumidifier in stone or soft-brick basements from May through September.
• Extend downspouts beyond sunken front yards and keep debris out of the space under bridge walks.
• Close gaps under garage doors and patch cracked slabs used as rat entries.
• Keep cart lids closed and alleys clear of furniture, tires and lumber.
• Seal basement window frames and utility lines on brick homes before October.
• Keep wooden porch posts and siding off the soil to discourage termites.

What a South Chicago service visit involves

For roaches in a frame two-flat or three-flat, a provider will ask how many units the building has and whether all of them can be treated the same day. The inspection covers kitchens, bathrooms, the basement, the rear stair and any shared laundry. Tenants will likely need to clear out under-sink cabinets so baits can reach the cracks. Plan on at least one follow-up visit, and on drain and foundation work if the roaches turn out to be the oriental species.

For rats, the technician walks the alley, garage and fence line, maps burrows and sets locked stations out of reach of children and pets. Sunken-yard houses get a close look beneath the walkway. Bird work under porch roofs and wildlife removal follow Illinois rules, and frame-house owners may be offered a termite inspection of porches and sills on the same trip.