Free US home project calculator
Home Remodeling Cost & Project Planner
Build a project scope and see an estimated cost range before requesting written quotes.
Choose your project area and answer a few questions about the work you are considering. Whole-home projects include a separate choice for each selected area.
Your preliminary budget
Get the detailed project brief
The detailed brief adds your selected scope, budget assumptions and questions to discuss with contractors. Enter your details to unlock the printable version on this page. We send your answers to AgingAuthority, not a PDF to your email.
Your project brief
Questions to ask before hiring
Turn Your Estimate Into a Practical Home Modification Plan
A home modification budget is more useful when you know exactly what each project includes. Use the planner above to organize improvements for stairs, bathrooms, entryways, and other areas of the home. Then use your project brief to explain your priorities and compare written contractor proposals.
Start with the changes that matter most to your household. You can revisit the planner as your scope becomes clearer.
How to Interpret Your Planning Range
The range generated by this tool is a preliminary planning estimate, not a contractor bid. It reflects the project area and scope you select, using the assumptions built into the calculator. Your actual cost may be higher or lower after a professional reviews measurements, product choices, site conditions, and installation requirements.
Before comparing quotes, ask providers to separate materials, labor, permits (where applicable), optional upgrades, and any work excluded from the proposal. Compare the same scope across providers rather than relying on the total price alone.
Pricing transparency: This page does not claim that every line-item allowance is a live, locally verified contractor price. A final quote requires an assessment by a qualified local provider. Source-specific pricing dates should be added only after the underlying calculator assumptions have been individually checked.
Four Factors That Can Change the Final Cost
Project scope
A targeted improvement and a full room renovation may have very different material and labor requirements.
Existing conditions
Stair geometry, bathroom layout, door clearance, and the condition of existing surfaces can affect installation work.
Products and finishes
Equipment specifications, accessibility features, materials, and optional upgrades can change the budget.
Local installation costs
Contractor availability, regional labor rates, permits, and necessary electrical or plumbing work vary by location.
Plan Individual Projects in More Detail
If you are comparing a specific project rather than a whole-home budget, these dedicated calculators can help you explore its cost drivers.
Project Planning FAQ
What does this planner do?
It organizes your remodeling priorities and questions to discuss with a provider. It does not inspect the property or choose a design.
Which project areas can I plan?
Choose whole home, stairs, bathroom, entryway, bedroom, kitchen or flooring. Each option asks questions specific to that area.
Will it give me a final price?
No. Use the project brief to ask for written proposals and compare their scope, exclusions, timing and ongoing service where relevant.
Can I use it without submitting contact details?
Yes. You can view and print your project brief without submitting the optional form.