Project Administrative Assistant Jobs in Rialto, CA

Work at the Mobile Home Park voted Best in Placentia in 2025 and 2026!

Position Summary

This full-time, in-office position is located at our charming, 162-space manufactured home community in Placentia, CA. Reporting directly to the community property manager, daily duties encompass assistance with the park operations and resident relations. There will be daily interactions with residents, prospective residents, maintenance staff and vendors, and a variety of office duties and recreational facilities monitoring. The ideal candidate will possess strong customer service and superb organizational skills, and have a friendly, helpful disposition.

Company overview

Founded in 1958, The Star Companies is a family-owned and operated firm specializing in the manufactured housing industry. With communities throughout California, Colorado, Idaho and Nevada, we provide Value in Housing and Integrity in Service. Star's Mission Statement is: We provide superior service to manufactured home communities, maximizing value of the properties that we are entrusted to serve.

Company Core Values

• Hands-on ownership
• Commit to your best work
• Always learning
• Do the right thing
• Be respectful

Position Performance Objectives

• Administrative Support: Answer incoming phone calls, respond to resident inquiries and email communications, assist with inquiries from prospective buyers/renters, and any other visiting person(s), and support daily office operations with professionalism and confidentiality. Draft various notices associated with property management for distribution to residents.
• Records & Documentation: Prepare, organize, and maintain resident files, reports, invoices, leases, and other required documentation. Create maintenance service tickets with direct involvement for follow-through, documentation, resolution and closing of tickets.
• Resident & Vendor Coordination: Serve as a primary point of contact for residents, vendors, and internal teams, including maintenance staff; track requests and follow up as appropriate.
• Compliance & Reporting: Assist with reports, data entry, and documentation to ensure accuracy and adherence to landlord-tenant law, lease requirements, and company policies.
• Leasing Support: Respond to inquiries, schedule appointments, and assist with application processing and move-ins.
• Recreational facilities monitoring, including keeping areas tidy and stocked.
• Other duties as assigned by the community property manager.

Key Competencies

• Proficient with word processing and spreadsheets.
• Provides commitment to the highest standards of integrity.
• Has strong writing skills and experience.
• Maintains trustworthiness and performs duties with the utmost confidentiality and accountability.
• Has strong computer skills and advanced proficiency in Microsoft Suite and G-Suite and ability to learn new programs.
• Able to work efficiently, handle multiple projects with appropriate prioritization, adhere to quick deadlines and adapt to evolving circumstances.
• Has helpful people skills and ability to work well with others.
• Comfortable making phone calls and sending letters on behalf of company.
• Possesses outstanding interpersonal communication skills (written and oral).
• Brings enthusiasm, positivity, creativity, patience, good judgment and flexibility to their work.
• Able to work both independently and in a team environment.
• Possesses excellent organizational skills with high accuracy and attention to detail.

Physical Requirements

• Has the ability to work at the mobile home park office in front of a computer screen/typing approximately 60% of a typical working day.
• Has the ability to bend, reach and lift boxes and office supplies up to 30 pounds.

Qualifications

• 2+ years of administrative or office experience.
• Property management or leasing experience preferred but not required.
• Strong organizational skills with exceptional attention to detail.
• Proficiency in Microsoft Office applications.

Compensation and Benefits

• Pay: $24.00 - $25.00 per hour, DOE
• Benefits: Medical, Dental and Vision insurance
• 401k includes company match
• 10 paid holidays per year
• 5 vacation days first year
• Schedule: 40 hours per week, Friday through Tuesday
• Location: Placentia, CA 92870

Ready to join our team?

If you are a dependable administrative professional who values organization, integrity, and teamwork, we encourage you to apply. Join a stable, family-owned company with a long-standing reputation – at the best mobile home park in Placentia.

If this position catches your eye, apply today.

We are an Equal Opportunity Employer.

Must be able to pass 7-year background check. Any job offer will be based on the results of background screening.