# American Design Gallery > House plans and home designs for builders and homeowners since 2000. Ranch, duplex, and 3-car garage designs from 800 to 3,000+ sq ft with PDF download. ## About American Design Gallery, Inc. provides quality house plans to home builders and homeowners. Our collection includes ranch plans, two-story designs, duplexes, and more. Every plan features detailed construction drawings suitable for permit applications and construction. We specialize in plans with popular features like 3-car garages, open floor plans, split bedrooms, and covered porches. Plans are available as PDF downloads delivered within 1 business day. All purchases include an unlimited build license — print as many copies as you need, share with your builder and engineer, and have modifications made by your local draftsman. ## Key Pages - Homepage: https://americandesigngallery.com/ - Browse House Plans: https://americandesigngallery.com/house-plans - Search Plans: https://americandesigngallery.com/search - Lot Analysis Tool: https://americandesigngallery.com/lot-match - About Us: https://americandesigngallery.com/about - FAQ: https://americandesigngallery.com/faq - Ordering Information: https://americandesigngallery.com/ordering - Contact: https://americandesigngallery.com/contact - Reviews: https://americandesigngallery.com/reviews ## Plan Categories - Under 1,100 sq ft: https://americandesigngallery.com/house-plans/under-1100-sq-ft - 1,100–1,500 sq ft: https://americandesigngallery.com/house-plans/1100-1500-sq-ft - 1,500–2,000 sq ft: https://americandesigngallery.com/house-plans/1500-2000-sq-ft - 2,000–2,500 sq ft: https://americandesigngallery.com/house-plans/2000-2500-sq-ft - 2,500–3,000 sq ft: https://americandesigngallery.com/house-plans/2500-3000-sq-ft - Over 3,000 sq ft: https://americandesigngallery.com/house-plans/over-3000-sq-ft - Duplex Plans: https://americandesigngallery.com/house-plans/duplex ## Tools ### Lot Analysis Tool Free calculator at https://americandesigngallery.com/lot-match that helps determine buildable area on any residential lot. Enter lot dimensions and setbacks to see a visual diagram of the buildable envelope. Features include: - Real-time lot diagram with buildable area overlay - Zoning metrics: lot coverage %, floor area ratio (FAR), impervious surface % - Support for rectangle, pie/cul-de-sac, and flag lot shapes - Corner lot setback handling - Plan footprint overlay to check if a house plan fits - Shareable URLs and embeddable widget ## Individual Plans Plans are available at https://americandesigngallery.com/plan/{planNumber} where {planNumber} is the plan number. Each plan page includes: - Exterior rendering and floor plan images - Specifications (square footage, bedrooms, bathrooms, garage, width, depth) - Features list and key highlights - Detailed description - FAQ section - PDF purchase with unlimited build license