RealtyCheck is a smart, no-fluff web app that helps real estate investors — especially those looking at vacation homes — make safer, smarter decisions. By using data from Redfin, Zillow, FEMA, and vacation rental trends, RealtyCheck acts like a digital detective, spotting hidden risks in properties, forecasting returns, and comparing investment options with ease.
Investing in real estate is hard.
RealtyCheck simplifies the process by showing users the real story behind each property — from flood zones and crime trends to vacation rental restrictions and ROI forecasts — so they don’t fall into costly traps.
- Generates a Risk Score (0–100) based on:
- Natural disaster zones (FEMA)
- Crime rate trends (Crimeometer API)
- Suspicious listing behavior (frequent relisting, flips)
- HOA lawsuits, zoning changes, foundation issues
- Vacation Viability Index:
- Airbnb/VRBO income estimates
- Occupancy rates and seasonal trends
- Local STR (short-term rental) regulations
- Warns against holiday-adjacent or oversaturated zones
- Compare any number of properties side-by-side:
- Risk score
- Insurance cost and loan eligibility
- Natural disaster risk
- Neighborhood business vitality
- ROI potential (resale + rental)
- Input your:
- Investment amount
- Timeframe (in years)
- Outputs:
- Projected ROI or loss
- Estimated rental income
- Price appreciation trends
- Tax benefits (first/second home)
- For each property, RealtyCheck shows:
- Estimated insurance premiums
- Property taxes
- Loan options (FHA, VA, conventional)
- HOA fees and hidden costs
- Frontend: HTML, CSS, Vanilla JavaScript
- No frameworks (no React.js)
- APIs & Data Sources:
- Zillow & Redfin – Property data and trends
- FEMA API – Disaster zone mapping (flood, wildfire, earthquake)
- Crimeometer API – Crime trends and safety scores
- AirDNA / Mashvisor (optional) – Vacation rental income and occupancy
- Google Maps & Yelp APIs – Business activity and neighborhood insights
- Bankrate/NerdWallet (optional) – Loan comparison and mortgage insights
- Search by ZIP code or location
- View top properties with risk and ROI highlights
- Compare multiple listings in a detailed breakdown
- Forecast your investment’s potential based on time and money
- Decide with clarity, backed by real data — not just realtor talk
- In-app verified real estate agents
- AI assistant to explain reports and risks
- PDF upload for home inspections → instant AI summary
- International vacation markets support
- Real-time reviews from past buyers
MIT License – Free for personal, academic, and non-commercial use.
Created by a team passionate about:
- Smarter real estate investing
- Data-driven decision-making
- Building tools that protect and empower everyday investors