Estimator: Commercial Plumbing & Process Piping

Estimator - Commercial Plumbing & Process Piping

AlphaX · San Jose, United States · Full-time · Posted 2026-11-10

Workplace: on_site

Description

An established commercial plumbing and mechanical contractor in the San Jose area is seeking an experienced Plumbing Estimator to build accurate, competitive estimates for commercial and industrial plumbing and process piping projects. The ideal candidate brings hands-on plumbing estimating experience, strong drawing interpretation skills, and a thorough understanding of construction costs, materials, labor, and installation methods.

You will independently evaluate project requirements, perform detailed takeoffs, secure supplier pricing, and prepare comprehensive bids that set projects up for profitable execution.

Key Responsibilities

• Prepare detailed estimates, bids, and budgets covering labor, materials, equipment, and installation on commercial and industrial plumbing projects.
• Review blueprints, MEP drawings, specifications, and bid documents to define scope and complete accurate quantity takeoffs.
• Identify scope gaps, potential cost overruns, and project risks before bid submission.
• Request and evaluate quotes from suppliers, vendors, and subcontractors to build competitive pricing.
• Work with general contractors, engineers, suppliers, and trade partners to clarify requirements and resolve estimating questions.
• Evaluate specifications, system requirements, and installation methods to ensure estimates capture the full scope.
• Price change orders and maintain organized bid documentation, cost records, and historical estimating data.
• Review estimates for accuracy and completeness before final submission.

Requirements

• 5+ years of experience in commercial or industrial plumbing estimating.
• Direct experience estimating plumbing systems, process piping, or related installations.
• Prior experience with a plumbing, mechanical, or MEP contracting company.
• Ability to read and interpret blueprints, plumbing layouts, MEP drawings, and construction specifications.
• Strong understanding of labor costs, material pricing, installation methods, and estimating practices.
• Proficiency with construction estimating software, digital takeoff tools, and Microsoft Office.
• Strong analytical, organizational, communication, and problem-solving skills.
• Ability to independently prepare estimates and competitive bids.

Please Note: Direct commercial or industrial plumbing estimating experience is required. Residential-only estimators and general construction estimators without relevant plumbing experience will not qualify.

Benefits

• Competitive compensation commensurate with experience.
• Health insurance options.
• Retirement plan options.
• Paid time off.
• Additional company-sponsored benefits.

Apply

Apply at AlphaX

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