Construction Administrative Assistant at ADU Express

Welcome Tech; Gardena (CA); On-site; USD 65,000 - 75,000; Full time

Benefits offered by this job

Welcome+ membership

Telemedicine access

Dental discounts

Vision discounts

Family coverage

Job summary

ADU Express is seeking a detail-oriented Construction Administrative Assistant to serve as the administrative backbone of our projects in Gardena. You will support project managers, superintendents, and field teams, owning document control, subcontractor compliance, and day-to-day job-cost tracking to keep projects on time and on budget.

This on-site role requires 3–5 years in construction admin, knowledge of submittals, RFIs, change orders, and permits, and the ability to juggle multiple active

Qualifications

• 3–5 years of administrative experience in the construction industry.
• Working knowledge of construction documents — submittals, RFIs, change orders, permits.
• Strong organization and attention to detail; you'll be juggling deadlines across multiple active projects.
• Able to work on-site daily at our Gardena office.

Responsibilities

• Own document control: organize, track, and distribute submittals, RFIs, change orders, contracts, and permits
• Keep subcontractors compliant: collect, review, and track Certificates of Insurance, W-9s, and lien waivers
• Support project financials: process vendor invoices, match purchase orders, code expenses to job numbers, and assist with weekly payroll data entry
• Be the reliable point of contact: answer incoming calls, route messages, and keep field crews, subcontractors, vendors, and clients connected
• Keep schedules on track: book inspections, safety meetings, and project milestones, and track critical permit and approval deadlines

Skills

Administrative experience

Construction documents

Organization

On-site daily

Job description

Location:

Gardena, CA — 19210 S Vermont Ave, Building E, Gardena, CA 90248 (on-site daily)

Job Type:

Full-Time

Pay:

$65,000–$75,000/year, based on experience

About the Role

ADU Express is looking for an organized, detail-oriented Construction Administrative Assistant to be the administrative backbone of our projects. You'll support project managers, superintendents, and field teams — owning document control, subcontractor compliance, and day-to-day job-cost tracking so projects stay on time and on budget.

What You'll Do

• Own document control: organize, track, and distribute submittals, RFIs (requests for information), change orders, contracts, and permits
• Keep subcontractors compliant: collect, review, and track Certificates of Insurance, W-9s, and lien waivers
• Support project financials: process vendor invoices, match purchase orders, code expenses to job numbers, and assist with weekly payroll data entry
• Be the reliable point of contact: answer incoming calls, route messages, and keep field crews, subcontractors, vendors, and clients connected
• Keep schedules on track: book inspections, safety meetings, and project milestones, and track critical permit and approval deadlines

Required

• 3–5 years of administrative experience in the construction industry
• Working knowledge of construction documents — submittals, RFIs, change orders, permits
• Strong organization and attention to detail; you'll be juggling deadlines across multiple active projects
• Able to work on-site daily at our Gardena office

Preferred

• Hands-on experience with subcontractor compliance (Certificates of Insurance, lien waiver tracking)
• Experience with job costing, purchase-order matching, or payroll support

Compensation & Growth

• $65,000–$75,000/year, depending on experience
• Free Welcome+ membership for up to 12 months while actively employed — includes $0 cost telemedicine with unlimited 24/7 access, counseling support, prescription discounts, dental (Aetna Dental Access®), and vision. Covers you and your family (spouse + children under 26).
• A seat at the operational center of a fast-growing design-build firm — your work touches every active project

About ADU Express

ADU Express is a Los Angeles–based design-build company specializing in accessory dwelling units at scale. We combine a systems-driven construction model with real estate investment, and we're growing fast. If you want to build something — not just show up — this is the place.