Since 1983 we've provided nearly a million square feet of space for a variety of applications

Celebrating over 40 years in business!

Located in San Diego County, we also service Los Angeles, Riverside, Orange, San Bernardino and Imperial counties.

MBC, Inc. has over thirty years of experience in the modular building industry leasing and selling office trailers, mobile offices, portable classrooms, modular buildings, construction trailers, restroom trailers, guard houses, manufactured housing and many other pre-fabricated and relocatable buildings. We serve a variety of markets including education, construction, government, healthcare, religious, industrial, energy, commercial, tribal, utilities, agriculture, nonprofit and religious organizations. From a simple one man guard house to a complete school, we have the knowledge and experience to meet the most challenging space needs.

Why Modular Building Concepts?

Building on 30 years of experience in the mobile and modular industry we have achieved great success by offering you, our client, superior service, unlimited product knowledge and reliable products at competitive pricing. And this is not an empty promise either. Our impressive track record is supported by dozens of testimonial letters from satisfied clients as well as an A+ rating by the Better Business Bureau. Our experienced building professionals partner with each and every client to meet their temporary or permanent space needs quickly and efficiently. Whether you lease or purchase, MBC is your "total space solution". Please give us a call at 858-679-1185 for prompt courteous assistance.

The MBC Advantage

Our Mission Statement
Our primary mission is to provide temporary and permanent high quality space solutions to expanding organizations. Modular Building Concepts, Inc. is committed to promoting and maintaining the highest levels of service, integrity and professionalism in the industry. Our goal is to establish long term relationships with our clients by providing superior customer service, expert advice, quality products and competitive prices.

Our management team has over 90 years of combined experience in the industry. MBC has leased or sold over a ½ million square feet of mobile and modular structures in the last twenty-eight years.

Locally Owned
Modular Building Concepts is headquartered in Poway, California and managed by the principals of the company. All negotiations are conducted with the owner and not a "salesperson" in a branch corporate office.

Pricing Policy
On rental and lease contracts;

  • Modular Building Concepts bills monthly and not every twenty-eight days. A twenty-eight day billing results in thirteen invoices per year and a higher yearly cost.
  • Modular Building Concepts lease rates remain fixed throughout the initial lease term. There are no Consumer Price Index (CPI) increases.
  • Modular Building Concepts does not charge for repairing or replacing defective components. Roof, window, or door leaks covered at no cost.

A full time service administrator is on staff to handle any problems quickly and professionally. Warranty work is performed locally by Modular Building Concepts personnel or a licensed General Contractor.

Project Management
All major projects are managed by a qualified licensed PM to insure the job proceeds smoothly, on time and on budget.

Modular Building Concepts has gained a reputation for their commitment to customer satisfaction. Most business is from referrals or repeat business. A reference list and testimonial letters are available on request.

Rental and lease contracts: Modular Building Concepts will repair or replace, free of charge, any defective component during the rental or lease period. Purchase contracts: Modular Building Concepts will repair or replace, free of charge, any defective component for one year after installation.

Flexible Financing
Modular Building Concepts offers a variety of terms including renting, leasing, lease purchase, and outright purchase.

Consulting Service
Low cost consulting services are available for mobile and modular structures. We can assist in writing specifications, cost estimating, and floor plan layouts.

Construction Standards
Modular Building Concepts provides upgraded features as standard equipment to add comfort, security, and utility to your facility. Contact Modular Building Concepts for further details.

*Warranty excludes damages resulting from abuse, negligence, vandalism, and acts of God. Contact Modular Building Concepts for further warranty information.


contact mbc

P 858.679.1185
F 858.679.6804

current offers / specials

Mobile Office Trailer Std. Models
48'x40' Commercial Modular Building

Awards & Achievements

2008 finalist for San Diego Business Journal "Family Owned and Operated Small Business of the Year" award

State of California certified "small business" (#8480). This certification resulted from a thorough and complete research of the company by the State of California

Member of the Modular Building Institute (MBI) since its inception in 1985

MBI award for our modular corporate office in Poway as "Best in Class"

Member of Better Business Bureau with an A+ rating

92% rating by Dun & Bradstreet on past business performance

Licensed General Contractor, Class B, License #945244

Licensed by the State of California Department of Housing as a "commercial coach" dealer since 1983. (License #91797)

Registered with City of San Diego "DEVO" program (Developing Emerging Vendor Outreach)

2003 finalist for "Family Owned Business Award" sponsored by University of San Diego

corporate bio

Modular Building Concepts is head-quartered in Poway, California. We have been doing business since 1983 and are managed by the principals of the company. All negotiations are conducted with the owner and not a "salesperson" in a branch corporate office.

Ken Kerper
Ken Kerper
Pam Cooke
Pam Cooke
Vice President
Chris Kerper
Chris Kerper
Assistant Vice President

client testimonials