William Bonilla
McHenry
Summary
Detail-oriented and highly experienced maintenance and operations leader with over fourteen years in multifamily housing, property management, and technical maintenance oversight. Proven success managing multi-site portfolios, leading large teams, driving operational efficiency, and improving asset performance. Skilled in preventative maintenance programs, capital project execution, vendor management, financial reporting, and conflict resolution. Known for building strong resident relationships, developing high-performing teams, and elevating service standards across diverse property types.
Overview
22
22
years of professional experience
1
1
Certification
Work History
Owner
UNITED CAPITAL MAINTENANCE
NORTHWEST SUBURBS, IL
03.2023 - Current
- Market online to connect with new business managers to grow the business and provide services.
- Offered services to apartment communities in need of maintenance and leasing professional assistance.
- Communicate openly with property managers and owners to determine necessary repairs and maintenance. Diagnose and repair problems, including appliances, plumbing, HVAC, and general maintenance needs.
- Executed home renovation projects, overseeing upgrades and maintenance repairs on HVAC appliances and plumbing systems.
Multi-Site Community Manager
RPM LIVING
06.2025 - 02.2026
- Conducted regular property inspections, identifying maintenance needs and coordinating timely resolutions.
- Fostered strong relationships with vendors to negotiate contracts that improved service delivery and reduced costs.
- Developed annual budgets for each site, monitoring financial performance and adjusting strategies accordingly.
- Streamlined property management processes for increased efficiency and cost savings.
Multi-Site Community Manager
GREYSTAR MANAGEMENT
05.2020 - 03.2025
- Managed daily operations for various property types, including high-rise and garden-style apartments, Class A-C, and mixed-use developments, totaling 300+ Apartment Homes and 5 Commercial Retail Spaces.
- Led teams of 10+ employees at single and multi-site communities. This includes Union Local 150 team members. Provided mentorship and coaching to team members, helping them develop their skills and achieve their professional goals.
- Cultivated strong resident relationships through proactive communication, conflict resolution, and community-building initiatives, achieving retention and rent growth. In addition, I implemented conflict resolution strategies and trained staff, which reduced resident complaints.
- Successfully managed rent collection for over 300 units, ensuring timely payments and reducing delinquencies. Utilized property management software to process payments, track resident accounts, and review financial reporting. Regularly communicated with residents through emails, phone calls, and in-person meetings to address rent-related concerns and provide assistance.
- Completed weekly client reporting and monthly financial packets for the client. This includes auditing financials while completing financial changes and explaining monthly variances. Hosted bi-weekly client calls to review the performance of each property and address the capital and funding needs or approvals.
Assistant Community Manager
GREYSTAR MANAGEMENT
07.2019 - 05.2020
- Assisted in managing leasing activities, ensuring compliance with company policies and procedures.
- Supported property marketing efforts through social media platforms and community events.
- Developed community newsletters to keep residents informed of events and updates.
- Collaborated with maintenance team to ensure timely completion of service requests, contributing to overall resident satisfaction.
- Collected rental payments from residents and kept meticulous records of delinquent accounts.
General Store Manager
U-HAUL
SCHAUMBURG, IL
04.2015 - 06.2019
- Manage all financial operations, including monitoring operating and capital project expenses, delinquencies, collections, and billing.
- Increased profits by 60% in one year.
- Solid ability to establish, maintain, and foster a positive, safe, secure, and comfortable environment for customers and visitors.
- Provided strong leadership and technical expertise to maintain existing procedures and continuously improve the store's daily operations.
Maintenance Supervisor
PENDOSCOT MANAGEMENT
SCHAUMBURG, IL
12.2010 - 04.2015
- Performed on-call maintenance emergency services for 485 apartment homes.
- Prepared apartments for new move-ins.
- Ordered supplies and materials as required, prepared routine reports, and maintained necessary work records and inventories.
- Responsible for semi-skilled duties, including pipe fitting, painting, carpentry, electrical repair, installation, building repair, heating and cooling repairs.
- Carry out assigned duties to maintain and foster a positive, safe, secure, and comfortable living environment for residents, vendors, and staff.
Sergeant of Airborne
UNITED STATES ARMY, INFANTRY
FORT BRAGG, NC
03.2004 - 06.2008
- Led an infantry squad in combat operations, providing tactical and technical guidance to subordinates and professional support to superiors and subordinates to accomplish their duties.
- I deployed to several areas during four years of service, including Louisiana for Katrina relief and Iraq.
Education
Associate of Arts -
Harper Collge
Palatine, ILSkills
- Operational excellence and management
- Business analysis
- Organizational development
- Safety and maintenance management
- Team leadership and collaboration
Certification
- Technician Type Universal EPA Certification
- Licensed Real Estate Residential Leasing Agent; License Number 473.019312
Timeline
Multi-Site Community Manager
RPM LIVING
06.2025 - 02.2026
Owner
UNITED CAPITAL MAINTENANCE
03.2023 - Current
Multi-Site Community Manager
GREYSTAR MANAGEMENT
05.2020 - 03.2025
Assistant Community Manager
GREYSTAR MANAGEMENT
07.2019 - 05.2020
General Store Manager
U-HAUL
04.2015 - 06.2019
Maintenance Supervisor
PENDOSCOT MANAGEMENT
12.2010 - 04.2015
Sergeant of Airborne
UNITED STATES ARMY, INFANTRY
03.2004 - 06.2008
Associate of Arts -
Harper Collge