Alterations & Improvements

ISD provides a wide range of Alterations and Improvements for Los Angeles County facilities including modifying, remodeling, planning and installing new facilities capabilities. ISD provides services for building projects in the areas of:
  • Carpet, flooring and linoleum
  • Wood and brick work
  • Painting and sign shop
  • Roofing installation and repairs
  • Electrical services
  • Burglar and fire alarms and fire extinguishers
  • Wastewater management
  • Heating and air conditioning

Alterations and Improvements projects typically are those budgeted to exceed $7,500. For projects under that amount, click on Maintenance below for a full list of services.

Download Brochure I'd like information on Facilities Services

New! Fillable Service Request Form

To request a NEW SERVICE, click on the form to download a fillable PDF. Email the completed form to Production Management at

Project Management Information

Anthony (Tony) Eng
1100 N. Eastern Ave
Los Angeles, CA 90063
Phone: (323) 267-2251
Fax: (323) 260-5256

Contact Information:

Cesar Menchaca
1100 N. Eastern Ave
Los Angeles, CA 90063
Phone: (323) 267-3445
Fax: (323) 780-9127
Michael Roberts
1102 N. Eastern Ave
Los Angeles, CA 90063
Phone: (323) 881-3954
Fax: (323) 260-5262
Guillermo (Bill) Hurtado
1102 N. Eastern Ave
Los Angeles, CA 90063
Phone: (323) 881-3953
Fax: (323) 260-5262
  • ISD provides maintenance and operations services to over 200 County facilities covering more than 13 million square feet. Performing a wide variety of maintenance services including electrical repairs, elevator maintenance, plumbing services, and general maintenance, ISD keeps County facilities safe and productive.

  • ISD's project managers and specialty crafts staff plan, build, and manage alterations and improvements for County facilities to improve functionality, ensure safety and create a productive service environment. ISD can assist with every aspect of your facilities upgrade from modification of space, to new HVAC and roof systems, installation of security systems, concrete work and repairs.

  • Custodial and grounds maintenance services are an essential part of maintaining a healthy and safe environment for staff, clients and citizens. ISD provides maintenance services at more than 160 County facilities, covering over 13 million square feet including daily custodial, grounds and landscape maintenance and trash removal.

  • ISD serves as the program manager for the County’s Strategic Asset Management plan to address deferred maintenance issues through capital systems replacements and repairs to system deficiencies. This includes leading the assessment of facility conditions, establishing multi-year capital and renovation plans, and delivering projects through construction management methods.

  • ISD’s Special Events Section is an in-house eventcoordinator to plan, organize and deliver support for a wide-range of special events, from ribbon-cutting ceremonies to large-scale event gatherings. Last year, Special Events coordinated more than 750 events for departments and Board Offices across the county.