Find Trusted Contractors. Avoid Costly Mistakes.
National Home Authority helps homeowners research contractors, compare products, understand risks, and make smarter home improvement decisions before signing a contract.
National Home Authority Certified™
A future certification program recognizing contractors who meet higher standards for transparency, service, and consumer protection.
Helping Homeowners Make Confident Decisions
We are building a consumer-focused resource for contractor research, product reviews, education, complaint documentation, and certification standards.
Contractor Reviews
Research contractors by category, service type, customer experience, complaint history, and published standards.
VIEW CONTRACTOR REVIEWSProduct Reviews
Compare home improvement products including walk-in tubs, showers, roofing, windows, HVAC, and accessibility upgrades.
VIEW PRODUCT REVIEWSHomeowner Resources
Learn what questions to ask, what red flags to avoid, how to compare quotes, and how to protect yourself.
VIEW HOMEOWNER RESOURCESCertification Standards
The NHA certification program helps identify contractors committed to transparent, ethical business practices.
VIEW CERTIFICATION STANDARDSBuilt for Home Improvement Research
We are starting with categories where consumers need better guidance before making major purchase decisions.
Walk-In Tubs
Cost guides, brand comparisons, warranty reviews, installation questions, and safety considerations.
Showers & Bathroom Remodeling
Compare remodelers, understand pricing, review materials, and learn how to avoid poor installations.
Home Improvement Contractors
Future categories include roofing, windows, HVAC, flooring, siding, stair lifts, and general remodeling.
Frequently Asked Questions
What is National Home Authority?
National Home Authority is a consumer-focused home improvement resource built to help homeowners research contractors, understand products, compare options, and make better decisions. Homeowners should never rely on just the NHA to make a hiring decision, be sure to do thorough research and always get 3 quotes.
Is National Home Authority a contractor?
No. National Home Authority is intended to be an independent information, review, education, and certification resource.
What categories does the NHA review?
Walk-in tubs, showers, bathroom remodeling, accessibility products, and related home improvement categories including roofing, windows, HVAC, flooring, and more.
What does NHA Certified™ mean?
NHA Certified™ is a contractor recognition program for companies that meet published standards for transparency, service, complaint response, and consumer protection.
Consumer Traffic First. Certification Second.
The National Home Authority is a trusted homeowner resource, with contractor certification and verification programs.
Explore Homeowner Resources