Acquisition assumptions for Oak Brook
| Acquisition (85% of median) | $1.0M |
|---|---|
| Rehab budget (midpoint) | $310K |
| All-in cost | $1.3M |
| ARV | $1.5M |
Monthly cash flow model
| Monthly rent estimate | $11K |
|---|---|
| Property tax (DuPage County investor) | −$3K |
| Insurance | −$610 |
| Vacancy reserve (7%) | −$800 |
| Property management (8%) | −$914 |
| Maintenance reserve (6%) | −$686 |
| NOI (monthly) | $6K |
| DSCR refi (75% LTV / 7.5% / 30yr) | $1.1M / $8K P&I |
| Monthly cash flow | $-1,952 |
| Cash left in deal | $227K |
Takeaways for Oak Brook
Oak Brook has luxury commercial-anchored demand. Custom homes and luxury condos dominate. Limited inventory; specific buyer demographics.
Suburban BRRRR economics in Oak Brook lean differently than Chicago city neighborhoods: typically lower rent-to-price ratios but more stable end-buyer markets, more predictable rehab budgets, and lower effective tax rates than Cook County.
Oak Brook cash flow FAQ
Estimated monthly rent for a stabilized investment property in Oak Brook at the $1.5M median ARV is approximately $11K. Suburban rents typically run lower as a percentage of ARV than dense Chicago neighborhoods because property values include premium for suburban amenities (yards, garages, schools) that don't drive rent comparably.
Oak Brook is in DuPage County, which generally has lower effective property tax rates than Cook County for similar property types — material to BRRRR underwriting.
On this modeled estimate, a typical BRRRR project at the Oak Brook median ARV produces approximately $-1,952 per month in cash flow after debt service. Cash flow is negative on the modeled assumptions — appreciation must drive returns for BRRRR to work here.
Directional cash-flow model, not personalized investment advice. Validate every assumption against current market data.