Mahn Custom Homes logo

Careers at Mahn Custom Homes

“We Don’t Just Build Houses. We Build Trust, Craftsmanship, and Legacies.” At Mahn Custom Homes & Renovations, we believe that every home we touch is built to last for generations. We're looking for a highly organized, detail-driven Development Administrator to be the connective thread between our Owner, VP of Operations, Project Managers, and Design Team — keeping every project's planning, budget, selections, and documentation accurate and on track from first contract to final walkthrough. Founded on integrity, craftsmanship, and the Golden Rule, Mahn Custom Homes has served the greater St. Louis area with exceptional residential design-build services. Our projects are high-end, our standards are even higher, and we're looking for someone who takes pride in accuracy, organization, and the details that keep a project running smoothly.

3 Open Positions

Open Positions

Join our team and make an impact

Site Superintendent

Fenton, MO
onsite
$65,000-$75,000/yr

Mahn Custom Homes & Renovations is hiring a Site Superintendent in Fenton, MO. Pay is $65,000 to $75,000 per year based on experience, plus an annual performance bonus. Full-time, onsite. You will run jobsites from first sketch to final walkthrough as the Project Managers' primary field representative. Who You Are: • You take ownership of the site and everyone on it. • You take pride in work that matches the plans, specs, and code. • You keep homeowners informed and confident. • You have 5+ years of residential construction experience, ideally supervising custom homes or high-end remodels. • You know residential trades, codes, and sequencing. • You are comfortable in Buildertrend, Microsoft Office, and plan-review software. • You have a valid driver's license and clean driving record, and can walk active sites daily, climb ladders, and lift 75 lbs. Who We Are: • We are a residential design-build company serving the greater St. Louis area with custom homes and renovations. • We were founded on integrity, craftsmanship, and the Golden Rule. • We put the homeowner experience first and hold a white-glove standard on every jobsite. • Our core values include Extreme Ownership and Quality Without Compromise. What You Will Do Each Day: • Run the Project Manager's construction schedule and coordinate daily field activities. • Supervise Mahn labor personnel and coordinate subcontractors. • Perform QA and QC inspections against plans, specs, and code. • Log daily progress in Buildertrend with photos, RFIs, and punch lists. • Coordinate material deliveries and inspections. • Communicate with homeowners and enforce OSHA and company safety standards. Why You Will Love Working Here: • $65,000 to $75,000 per year plus an annual performance bonus. • Health, dental, and vision insurance. • 401(k) with company match. • 13 days of PTO per year. • Company-provided technology and tools. Next Steps: If you are a proven field leader ready to raise the standard of custom homebuilding as our Site Superintendent, we want to hear from you.

Posted 7/15/2026

General Construction Laborer

Fenton, MO
onsite
$17-$25/hr

Mahn Custom Homes and Renovations is hiring a General Construction Laborer in Fenton, MO. Pay is 17 to 25 dollars per hour based on experience. You need at least one year of residential construction or general labor experience. This is high-end custom home and renovation work, so we need someone who shows up every day and stays professional when the homeowner is standing three feet away. Who You Are: • You are on site every scheduled day, on time, ready to work. • You keep moving through a full day of physical labor and finish what you start. • You treat a client's home, their street, and their neighbors with respect. • You leave a site cleaner and better organized than you found it. • You have one or more years of residential construction or general labor experience. • You have a valid driver's license and a clean driving record. • You can lift 75 lbs, stand for long stretches, work in all weather, and handle basic hand and power tools. Who We Are: • We are a residential design-build company serving the greater St. Louis area. • We build high-end custom homes and renovations. • We were founded on integrity, craftsmanship, and the Golden Rule. • Our core values include People Before Profit and Extreme Ownership. What You Will Do Each Day: • Prep and clean job sites. • Load, unload, and move materials and tools. • Run hand and power tools safely. • Do light framing, drywall, siding, and basic carpentry or repair work. • Support trades and project managers on daily field work. Why You Will Love Working Here: • 17 to 25 dollars per hour based on experience. • Full-time, onsite work. • Bonus potential. • Health, dental, and vision insurance. • Employee savings plan with company match. • Paid time off and holidays. • Company-provided technology and tools. Next Steps: Apply for the General Construction Laborer role and tell us where you have worked.

Posted 7/15/2026

Construction Project Coordinator

Fenton, MO
onsite
$55,000-$65,000/yr

Mahn Custom Homes & Renovations is hiring a Construction Project Coordinator in Fenton, MO, paying 55,000 to 65,000 dollars per year plus an annual performance bonus. We need someone with experience in construction administration, project coordination, or a similar administrative role to be the connective thread between our Owner, VP of Operations, Project Managers, and Design Team. You will keep every project's planning, budget, selections, and documentation accurate from first contract to final walkthrough. Who You Are: • You take pride in accuracy and the small details that keep a project on track. • You stay organized and calm while managing several projects and deadlines at once. • You are a clear communicator, strong in writing and in person, who keeps every party aligned. • You bring prior experience in construction administration, project coordination, or a similar administrative role. • You bring proficiency with Buildertrend (preferred), Microsoft Word, and Excel. • You bring familiarity with bid management, budgeting, or contract documentation. Who We Are: • We are a residential design-build company serving the greater St. Louis area with high-end custom homes and renovations. • We were founded on integrity, craftsmanship, and the Golden Rule. • We put the homeowner experience first, with a transparent process from concept through completion. • Our core values guide the work, including People Before Profit, Extreme Ownership, and Quality Without Compromise. What You Will Do Each Day: • Create and maintain project records in Buildertrend from pre-sale through completion. • Manage subcontractor bid packages, the bid tracker, and budget documentation. • Support the Design Team in documenting selections, allowances, and purchase orders. • Track construction activity, change orders, and schedules against the production timeline. • Maintain contracts, permits, drawings, renderings, and project transition documents. • Take detailed notes in project and customer meetings, and prepare job site binders for field hand-off. Why You Will Love Working Here: • Salary of 55,000 to 65,000 dollars per year based on experience. • Full-time role, onsite in Fenton, MO. • Annual performance bonus of up to 10 percent of salary. • Medical, dental, and vision insurance. • 401(k) retirement plan with company match. • Paid vacation and statutory pay. • Company-provided technology and tools. Next Steps: If you are an organized, detail-driven Construction Project Coordinator ready to keep our projects running smoothly, we want to hear from you.

Posted 7/15/2026

About Us

“We Don’t Just Build Houses. We Build Trust, Craftsmanship, and Legacies.” At Mahn Custom Homes & Renovations, we believe that every home we touch is built to last for generations. We're looking for a highly organized, detail-driven Development Administrator to be the connective thread between our Owner, VP of Operations, Project Managers, and Design Team — keeping every project's planning, budget, selections, and documentation accurate and on track from first contract to final walkthrough. Founded on integrity, craftsmanship, and the Golden Rule, Mahn Custom Homes has served the greater St. Louis area with exceptional residential design-build services. Our projects are high-end, our standards are even higher, and we're looking for someone who takes pride in accuracy, organization, and the details that keep a project running smoothly.

We're committed to excellence and building a team of talented professionals who share our values and vision.

Mahn Custom Homes

Get a career, not just a job with Mahn Custom Homes

Fill out this short form to start your application!

Apply Now!
Takes 2 minutes

Your Benefits at Mahn Custom Homes

Excellent Benefits

Enjoy a competitive compensation package and a suite of benefits designed to support your well-being and promote work-life balance.

Growth Opportunities

Expect ample opportunities to learn and grow professionally within our organization.

Great Company Culture

Join a team of passionate and dedicated professionals who share our core values of quality, reliability, and a customer-focused mindset.

Gallery

Mahn Custom Homes - Image 1

Frequently Asked Questions

Ready to Join Our Team?

Don't see a position that fits? Send us your resume and we'll keep you in mind for future opportunities.