HTO Plumbing & Radiant — Alameda, CA

HTO Plumbing & Radiant in Alameda, CA is a licensed plumbing and radiant heating company serving homes and businesses on the island and nearby neighborhoods. They design, install, and maintain plumbing, hydronic heating, and HVAC systems for new construction, remodels, ADUs, and commercial properties. Emergency service is available for urgent gas, water, or heating issues; routine hours are Mon–Fri 8:00 AM to 5:00 PM.

Business Overview

HTO Plumbing & Radiant is a locally owned, insured firm with a small team of licensed plumbers and heating technicians. They handle both residential and commercial projects, from sink repairs in Victorian cottages near Park Street to boiler installs in modern multi-family buildings. The business is a Better Business Bureau member and carries general liability and workers' compensation insurance.

Key Services

Services are grouped to match common job types and customer needs:

• Plumbing repair & installs: faucets, sinks, tubs, showers, water pipes, plumbing inspections, and full plumbing replacement.
• Water heaters & boilers: installation, repair, and maintenance for tank and tankless systems.
• Gas piping: gas line installation and repair for stoves, heaters, and appliances.
• Radiant heating & HVAC: design and installation of hydronic radiant systems, boiler service, HVAC installation, repair, and seasonal maintenance.

Areas Served

Primary service area: Alameda, CA. The crew regularly works throughout Bay Farm Island, the historic East End, along Park Street, and near Crown Memorial State Beach. They also take projects in nearby Alameda-adjacent communities when requested.

Company History

Established in 2006, HTO Plumbing & Radiant grew from small service calls into a firm known for skilled hydronic work and steady service in Alameda. The owner’s early years in plumbing and later focus on radiant heating shaped the company’s mix of service and installation work. Over time they added licensing, insurance, and memberships that support safe, code-compliant jobs.

Leadership

TJ Modelski started plumbing part-time in 1997 while studying architecture and design. He became a Journeyman Plumber in 2000 and worked on multi-family, industrial, and residential projects. TJ began installing hydronic systems in 2003 and founded HTO Plumbing & Radiant in 2006. He holds a C36 Plumbing Contractors license and a C-4 Boiler and Hot Water Heating license, and he lives in Alameda with his family.

Specialties & Highlights

• Specialized in radiant heating and hydronic boiler systems for custom homes and ADUs.
• CA license #: 876197; C36 and C-4 licensed contractor.
• Member of the Radiant Panel Association and the Better Business Bureau.
• Experienced with older Alameda homes and modern multi-family plumbing needs.
• Insured with general liability and workers' compensation.

Why Locals Choose HTO Plumbing & Radiant

Residents pick HTO Plumbing & Radiant in Alameda, CA for their steady workmanship and local knowledge. They bring practical experience with island-style homes and Bay Area building practices. Projects are handled with clear communication, licensed crews, and attention to code and safety.

For plumbing, gas, water heater, or radiant heating questions in Alameda, HTO Plumbing & Radiant offers practical answers and hands-on service.