ADU Budget Worksheet
A practical framework for estimating and tracking all costs in your Ithaca ADU project.
Cost Categories
| Category | Typical Range | Your Estimate |
|---|---|---|
| Design & Architecture | $5,000 – $20,000 | — |
| Engineering (Structural) | $2,000 – $8,000 | — |
| Permits & Fees | $3,000 – $10,000 | — |
| Site Preparation | $2,000 – $15,000 | — |
| Foundation | $8,000 – $30,000 | — |
| Framing & Structure | $15,000 – $50,000 | — |
| Roofing | $5,000 – $20,000 | — |
| Exterior Finishes | $8,000 – $25,000 | — |
| Windows & Doors | $5,000 – $15,000 | — |
| Plumbing | $10,000 – $30,000 | — |
| Electrical | $8,000 – $20,000 | — |
| HVAC | $8,000 – $20,000 | — |
| Insulation | $3,000 – $10,000 | — |
| Interior Finishes | $15,000 – $50,000 | — |
| Appliances & Fixtures | $5,000 – $15,000 | — |
| Contingency (10–15%) | $10,000 – $30,000 | — |
Print this page or copy the categories into a spreadsheet to track your own estimates against typical ranges.
Financing Options
Home Equity Line of Credit (HELOC)
Use your existing home equity. Often the most cost-effective option for homeowners with significant equity.
Cash-Out Refinance
Refinance your mortgage and pull out equity. Works well in lower-rate environments.
Construction Loan
Short-term loan that converts to a permanent mortgage after construction is complete.
NY State Programs
Check NYSERDA and local housing programs for incentives and below-market financing for ADUs.
Rental Income Potential
Studio / 1BR ADU
$1,200 – $1,600/mo
Ithaca market estimate
1BR / 1BA ADU
$1,500 – $2,000/mo
Ithaca market estimate
2BR ADU
$1,800 – $2,500/mo
Ithaca market estimate
Get a Precise Project Estimate
Our team will give you a detailed cost breakdown tailored to your specific property and ADU type.