Plumbers serving Lehigh Valley. Rated 4.8/5 (81 reviews). From their website: Coqui Plumbing provides fast, professional plumbing installation and service to the Lehigh Valley area since 2005. We are licensed and insured. Our services are guaranteed in writing against defects in materials and workmanship. So, if you need to repair, maintain or improve your plumbing or drain system, you can rely on Coqui Plumbing. Our plumbing service includes a free estimate, and our customer care policies are unmatched in the industry.