Rehab Budget Calculator
Sum cosmetic / mid / heavy rehab line items + contingency.
Result
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How to use this calculator
- Enter sq footage and tier.
- Add kitchen, bath, extras separately.
- Hold 15-20% contingency.
About this calculator
Rehab budgets fall into three tiers. Cosmetic ($15-25/ft²): paint, flooring, light fixtures, hardware. Mid ($35-55/ft²): kitchen + bath remodels, some flooring, paint. Heavy gut ($80-150/ft²): walls down, new plumbing/electrical/HVAC, full kitchen/bath rebuilds. Old houses (pre-1980): always heavy due to lead/asbestos/knob-tube. Contingency is non-negotiable: 15% mid-tier, 20-25% gut.
Frequently asked
Cost-vs-value priority?+
Kitchen and bath drive resale. Then exterior curb appeal. Bedrooms/halls are cheap upgrades. Don't over-improve mechanicals beyond functional.
Hidden cost surprises?+
Old wiring (knob-and-tube), galvanized plumbing, asbestos tile, lead paint, foundation cracks. Inspect before purchase.
DIY vs. contractor?+
GC overhead 15-25%. DIY some items (paint, flooring), GC others (electrical, plumbing, roof). Permits required for major work.
Contingency really 15%?+
Renovation discovers things demolition exposes. 15% covers typical surprises; 25% for older homes; 30% for fire/water-damaged.
When does ARV justify?+
Compare projected ARV − total cost (purchase + rehab + holding + selling) ≥ desired profit. Otherwise pass.
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