A neighborhood built on curves

Unlike the street grid around much of Washington Park, Bonnie Brae was laid out with curving streets and irregular lots. Development continued over several decades, so a single block may include a 1920s or 1930s brick cottage with steep rooflines, a Tudor-style house, and a postwar brick ranch, some of them since enlarged or replaced.

Curving streets and irregular lots mean that the slope of each yard is less predictable. Some houses sit slightly below the street or below a neighbor's yard, so surface water from storms and snowmelt drains toward them rather than away. Steep cottage roofs shed water and snow quickly into gutters that may be small for the volume, and those gutters sit under the same mature trees that shade the neighborhood.

Basements in the older cottages are often smaller and lower than in larger houses, sometimes partial basements with a crawlspace under the rest of the house. Postwar ranches tend to have full basements that were later finished. Both are likely to be served by older sewer laterals.

How risks differ by house type in Bonnie Brae

House type
1920s and 1930s brick cottage or Tudor
Common water entry points
Low basement windows, brick foundation, floor drain
What to watch
Seepage on the uphill side; low headroom makes finishes close to the floor
House type
Partial basement with crawlspace
Common water entry points
Crawlspace openings and plumbing runs
What to watch
Hidden leaks under floors; damp crawlspace soil
House type
Postwar brick ranch
Common water entry points
Full basement windows and wells, floor drain, laundry
What to watch
Finished basements over older plumbing and laterals
House type
Rebuilt or expanded home
Common water entry points
Deeper basement, sump pit, roof seams
What to watch
Sump discharge direction; additions meeting old roofs

Matching what you see to what to check

  • IfWater enters along the wall facing the street or a higher neighbor's yardCheck the grade on that side and where surface water flows during a storm.
  • IfThe house has a crawlspaceLook in it after heavy rain and after any plumbing leak; water there can go unnoticed for a long time.
  • IfGutters overflow on a steep cottage roofAsk about larger gutters or downspouts, and clean them more often under big trees.
  • IfA floor drain backup happensScope the lateral; older Bonnie Brae homes are likely to have older sewer pipe.
Map of Bonnie Brae. It shows an area, not an office or a job site.

Common questions

Is a crawlspace a water problem by itself?

Not necessarily. Many crawlspaces stay dry for decades. They become a problem when water from grading, a plumbing leak or a backup sits there unseen, raising humidity under the house. A periodic look with a flashlight is the simplest check.

General information for Washington Park, not a quote or professional advice. In an emergency, call 911.