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Isaac Kasteler

@isaackasteler

Message

Detail-oriented estimator who delivers accurate costs and efficient project outcomes.

United States

Message

What I'm looking for

I’m looking for an estimator role where accuracy matters—using tools like Bluebeam and Excel to deliver reliable budgets. I want a team that values clear daily communication, quality, code compliance, and steady, efficient project delivery.

I’m a detail-oriented estimator with a life-long background in the industry, focused on producing accurate cost estimates and keeping projects efficient and competitive. I bring practical knowledge of materials, methods, and project workflows to every job.

In my current estimator role, I use Bluebeam daily to produce accurate estimates, including estimating a whole house from dirt to shingles. I communicate with designers, builders, subs, and suppliers regularly, and I stay hands-on with tools like Excel and Word to keep estimates and documentation tight.

Before estimating, I built strong leadership and field experience as a Site Supervisor and Construction Assistant, overseeing daily operations, managing staff and volunteers, and ensuring work meets up-to-date quality standards and code compliance. I’m comfortable coordinating teams and subcontractors, reviewing invoices weekly, and executing framing, plumbing, and electrical work when needed.

Experience

Work history, roles, and key accomplishments

Current

Estimator

Current

TBG

Sep 2025 - Present (8 months)

Produce daily residential cost estimates in Bluebeam, estimating whole houses from dirt to shingles. Coordinate with designers, builders, subcontractors, and suppliers while checking and reviewing invoices weekly.

Construction Estimating Cost Estimating Excel Whole House Takeoffs Budget Management Invoice Review

Site Supervisor

Habitat for Humanity

Nov 2021 - Sep 2025 (3 years 10 months)

Oversee daily site operations to ensure construction meets quality standards and complies with relevant codes and regulations. Manage staff, volunteers, future homebuyers, and partner families to maintain a collaborative work environment.

Construction Supervision Code Compliance Quality Assurance Site Operations Team Leadership Volunteer Management

Construction Assistant

CC Builders

Jan 2021 - Sep 2021 (8 months)

Coordinated subcontractors on site and led crews as needed. Managed and executed residential framing, plumbing, and electrical work on construction projects while operating machinery in difficult situations.

Residential Construction Plumbing Electrical Installation Equipment Operation

Team Leader

Habitat for Humanity

Jul 2019 - Sep 2019 (2 months)

Operated equipment to support worksite needs and improve staff efficiency. Trained and led volunteer teams on the job site while ensuring safe tool operation.

Equipment Operation Volunteer Leadership

Construction Assistant

Integrity Construction

Jul 2013 - Sep 2019 (6 years 2 months)

Operated equipment and tools safely while supporting work to build new homes and complete renovations. Moved materials to site areas to keep construction work moving smoothly.

Equipment Operation Residential Construction Material Handling Workflow Support Safety Compliance