California decking clients honest estimates, free inspections, and solutions to fit most budgets. Whether your deck, balcony plywood substrate, slope corrections, filling in low spots, installing flashing to prevent leaks, and correcting drainage systems. Our

Sinai Construction Specializes in: * Seismic / Earthquake and Soft Story Retrofit * Foundation Repair and Replacement * Hillside Foundation Work * Floor Leveling * Basement / Crawlspace Waterproofing * Yard, Basement / Crawlspace Drainage * Slope Repair * Retaining Wall Construction