Jr. Estimator - Modular Construction

Junior Estimator

Impact Housing (IH) is a vertically integrated modular design-builder and developer headquartered in Southern California. Our mission is to continuously evolve the world's most sophisticated and efficient housing delivery system. We pursue this mission by reimagining every element of how multifamily projects are designed, manufactured, and built—driving down costs, shortening schedules, and expanding access to high-quality housing for the people who need it most, whether through LIHTC or unsubsidized projects.

To date this decade, the IH team has built or is actively developing close to 1,500 modular units demonstrating a scalable, repeatable path to affordability. With the capability to produce approximately 1,000 units per year today, IH is expanding to meet growing demand in San Diego, Los Angeles, and beyond.

The Junior Estimator supports the pre-construction and estimating team by assisting with quantity takeoffs, bid preparation, pricing analysis, subcontractor/vendor coordination, and project cost tracking for modular construction projects. This role is ideal for an early-career professional looking to develop estimating and construction management skills within a fast-paced modular construction environment.

Key Responsibilities

• Assist in preparing conceptual, schematic, design development, and GMP estimates for modular construction projects
• Perform quantity takeoffs from drawings, specifications, and BIM models
• Support pricing of labor, materials, equipment, subcontractors, logistics, and manufacturing components
• Solicit and track subcontractor and supplier bids
• Assist with bid leveling and scope comparisons
• Maintain estimating databases, historical cost data, and unit pricing
• Coordinate with design, manufacturing, procurement, and construction teams during pre-construction
• Help prepare bid packages, proposals, and value engineering options
• Review plans and specifications for completeness and identify scope gaps
• Assist in updating budgets throughout project development
• Participate in project handoff meetings to operations and project management teams
• Support schedule reviews related to manufacturing and field installation sequencing
• Maintain organized project documentation and estimating files

Qualifications

Experience

• 1–3 years of estimating, project engineering, or construction experience
• Internship experience in construction or manufacturing preferred
• Exposure to modular, multifamily, hospitality, or commercial construction is a plus

Required Skills

• Basic understanding of construction drawings and specifications
• Strong math and analytical skills
• Ability to manage multiple deadlines in a fast-paced environment
• Strong communication and organizational skills
• Detail-oriented with a willingness to learn

Preferred Knowledge

• Modular construction processes
• Off-site manufacturing methods
• Quantity takeoffs and conceptual estimating
• Construction scheduling basics
• Value engineering concepts

Technical Knowledge & Software

• Proficiency in Microsoft Excel and Microsoft Office Suite
• Familiarity with estimating software preferred (Sage Estimating, Bluebeam, Procore, OST, PlanSwift, etc.)

Education

• Bachelor's degree in Construction Management, Engineering, Architecture, or related field. Equivalent field experience may be considered

Work Authorization

All prospective Impact Housing employees need to demonstrate eligibility to work in the U.S.

Compensation

• Up to $75k to 85k- Based on experience
• Health benefits: Medical, Dental, Vision, FSA, HSA
• Vacation
• Sick time
• Holiday pay
• Ownership of company equity
• 401K Retirement Plan

Physical Requirements

• Ability to sit and work at a computer for extended periods
• Occasional visits to manufacturing facilities and construction sites
• Ability to review large drawing sets and construction documents

Note This job description in no way states or implies that these are the only duties to be performed by the employee(s) of this position. Employees will be required to follow any other job-related instructions and to perform any other job-related duties requested by any person authorized to give instructions or assignments. All duties and responsibilities are essential functions and requirements and are subject to possible modification to reasonably accommodate individuals with disabilities.

Impact Housing is an equal opportunity employer, drug-free workplace, complies with ADA regulations and does not discriminate against any employee or job applicant because of race, color, religion, national origin, medical condition, pregnancy, sex, gender identity, gender expression, age, veteran status, physical or mental disability, or other applicable legally protected characteristics.