Jax Design Shop Inc. in Carlsbad holds CSLB license #810439 with C-15 (Flooring & Floor Covering), C-54 (Tile — Ceramic & Mosaic), and D-6 (Concrete Related Services) classifications, operating from Ponto Drive near the Encinitas border. The company's decorative-concrete division produces handmade lightweight concrete countertops, sinks, fire pits, and custom pavers — sculptural fabrication work that architects and interior designers at firms such as ARK Architects Inc. specify into residential and hospitality projects. Jax's urban-forestry program reclaims timber from the NCTD Coaster rail corridor in Encinitas, milling, kiln-drying, and finishing the salvaged wood into live-edge dining tables, fireplace mantels, and custom furniture pieces. The shop has won multiple Circle of Distinction design awards at the World of Concrete trade show, recognizing innovation in lightweight concrete formulation and decorative casting techniques. Reclaimed-wood furnishings from Jax pair with the custom upholstery and fabric work that Encinitas Custom Upholstery produces for one-of-a-kind residential seating and built-in bench cushions. The firm's highest-value commissions include full-kitchen concrete countertop suites with integrated drainboard sinks, veined pigment layering, and food-safe penetrating sealer rated to FDA 21 CFR 175.300 for direct food contact.