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Tools

Construction Planning Tools

Use these tools to organize your project, understand possible next steps, and submit better information before requesting a construction review.

Intake & qualification

Structured intakes that produce a preliminary summary, and connect qualified projects to a real conversation with Golden Key Developments.

Buyers & homeowners

Project Readiness Checklist

See whether your project is ready for a contractor estimate, or what documents to gather first.

Start checklist
Buyers

Buyer Due Diligence Tool

Spot construction, permit, and flood-related questions before you close on a Southwest Florida property.

Run due diligence
Homeowners & contractors

Permit Timeline Estimator

Preview the likely permitting path: documents, reviews, and common delay causes for your jurisdiction.

Estimate timeline

Quick calculators & references

Fast, free tools for early-stage research. No submission required.

Everyone

Permit jurisdiction lookup

Enter an address and find the city or county that handles its building permits, with a link to the right portal.

Look up an address
Homeowners & buyers

Project cost estimator

Get a ballpark range for new construction, remodels, additions, commercial build-outs, and pools.

Estimate a project
Buyers

Mortgage calculator

Estimate principal, interest, taxes, and insurance for a Southwest Florida home purchase.

Calculate a payment
Everyone

Construction glossary

Plain-language definitions of local codes, finance terms, and market basics that come up on every project.

Browse the glossary
Contractors & designers

TDH calculator (pools & spas)

Simplified Total Dynamic Head worksheet per ANSI/PHTA/ICC-7: pipe sizing, velocity checks, and friction loss in one pass.

Run TDH calc