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.

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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 Mgmt Information

Anthony (Tony) Eng
Section Manager

1102 N. Eastern Ave.,
Los Angeles, CA 90063
(323) 267-2251

Contact Information:

Cesar Menchaca
1100 N. Eastern Avenue
Los Angeles, CA 90063
(323) 267-3445
Rick Paez, Section Manager
1102 N. Eastern Avenue
Los Angeles, CA 90063
(323) 881-3954
William Kiriyama, Section Manager
1102 N. Eastern Avenue
Los Angeles, CA 90063
(323) 881-3953
  • 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.