Tools & resources
Construction Planning Tools and Resources
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.
Project Readiness Checklist
See whether your project is ready for a contractor estimate — or what documents to gather first.
Start checklistBuyer Due Diligence Tool
Spot construction, permit, and flood-related questions before you close on a Southwest Florida property.
Run due diligencePermit Timeline Estimator
Preview the likely permitting path — documents, reviews, and common delay causes for your jurisdiction.
Estimate timelineQuick calculators & references
Fast, free tools for early-stage research. No submission required.
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 addressProject cost estimator
Get a ballpark range for new construction, remodels, additions, commercial build-outs, and pools.
Estimate a projectMortgage calculator
Estimate principal, interest, taxes, and insurance for a Southwest Florida home purchase.
Calculate a paymentConstruction glossary
Plain-language definitions of local codes, finance terms, and market basics that come up on every project.
Browse the glossaryTDH 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 calcJurisdiction Permit Resources
Direct links to the building department for every city and county we service across SWFL.
Collier County
Everglades City
City / Town / VillagePermits are processed through Collier County.
Lee County
Charlotte County
Hendry County
City of LaBelle
City / Town / VillagePermits are processed through Hendry County.