Property record
1020 31st Street, Downers Grove
Retail in Downers Grove, Illinois. It covers 131,371 square feet on the ground.
This building
1020 31st Street, Downers Grove. Retail in Downers Grove, Illinois. Property ID sph8prpk1t6jb9b.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 1020 31st Street, Downers Grove, IL 60515 | USA Structures |
| Building type | Retail | USA Structures and SkyPSI estimator |
| Place name | Titan Security Group | Overture Maps places |
| Place type | security services | Overture Maps places |
| Footprint | 131,371 square feet | USA Structures |
| Perimeter | 2,550.7 feet | USA Structures |
| Height | 83.86 feet | USGS 3D Elevation Program |
| Height survey year | 2022 | USGS 3D Elevation Program |
| Stories | 6 stories | USGS 3D Elevation Program |
| Exterior wall area | 213,897 square feet | SkyPSI estimator |
Cost ranges
Whole-building ranges from the SkyPSI estimator, calibrated October 2, 2026. Grade C: modelled from the Texas calibration. What the grades mean.
Exterior soft wash
| Service | Low | Most likely | High |
|---|---|---|---|
| Facade wash (drone) | $17,500 | $33,000 | $55,500 |
| Facade wash with mold or growth treatment | $26,500 | $48,500 | $84,000 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Facade wash, conventional access | $33,000 | $60,000 | $99,500 |
Window cleaning
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows only | $6,500 | $13,500 | $22,000 |
| Windows inside and out | $11,000 | $22,000 | $40,000 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows, rope access | $44,500 | $88,500 | $155,000 |
| Windows inside and out, rope access | $48,500 | $97,500 | $172,500 |
Best method
- Exterior soft wash: Drone has the lowest cost, most likely $33,000.
- Window cleaning: Drone has the lowest cost, most likely $13,500.
Similar buildings nearby
- 1000 31st Street, Downers Grove
- 1101 31st Street, Downers Grove
- 1021 Butterfield Road, Downers Grove
How we know
Each fact names the source it comes from. A building file carries the source of each field, and SkyPSI shows that source beside the fact.
- USA Structures: Building footprints, heights and occupancy from FEMA's USA Structures.
- Overture Maps places: Business and place names from the Overture Maps places theme.
- SkyPSI estimator: SkyPSI's own price model, calibrated rates and building-class rules.
- USGS 3D Elevation Program: Lidar elevation data that gives building heights where other sources have none.
Cost ranges come from the SkyPSI estimator, calibrated October 2, 2026. How a SkyEstimate is built.
Ask SkyPSI for a quote on your building.
Request a QuoteSources: USA Structures, Overture Maps places, SkyPSI estimator, USGS 3D Elevation Program.
An estimate, not a quote. How a SkyEstimate is built.