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31 Years
experience
Your Trusted Container Solutions Provider in Phoenix, AZ
Southwest Mobile Storage is a family-owned business founded in 1995 with an 11-acre headquarters in Phoenix, AZ. Our 90,000 sq ft indoor fabrication facility employs over 70 certified engineers, welders, and fabricators with 500+ years of combined experience. We specialize in shipping container rentals, sales, and modifications for residential, commercial, and government clients nationwide. Our services include secure storage containers, portable offices, and fully customized solutions built to exact specifications. We prioritize transparent pricing, flexible billing, and dedicated account management to ensure client satisfaction. With locations in Arizona, California, Colorado, and Texas, we deliver reliable, high-quality container solutions across the US.

Our team provides 28-day rental agreements with daily proration, temperature-controlled units, and nationwide delivery capabilities. We maintain industry-leading fabrication standards with in-house experts handling every modification project from concept to completion. Customer testimonials highlight our competitive pricing, responsive service, and ability to accommodate complex customization requests. Our ISO-certified containers meet rigorous quality standards and come with warranties ranging from 6 months to 1 year depending on condition. Through strategic inventory management and a commitment to innovation, we consistently deliver secure, durable storage and workspace solutions tailored to client needs.
Services
Container rentals Container sales Custom modifications Office rentals Climate-controlled units
Details
  • Year established: 1995
Highlights and features
  • Family-owned business with 25+ years of industry experience
  • 90,000 sq ft fabrication facility with 70+ certified professionals
  • Nationwide delivery and service network across 7 US locations
  • Transparent pricing with no hidden fees or unexpected charges
  • In-house modification experts with 500+ years of combined experience
What people say
Helpful and answered all questions Best price in town Family-owned business Top notch service Recommend to anyone
Services
Container rentals
Flexible shipping container rentals for short or long-term storage needs. Available in 10-45 foot sizes with multiple door configurations including single/double cargo doors and roll-up options. Units feature high-security locking systems and weather-tight construction for protecting equipment and inventory.
Container sales
Purchase new, refurbished, or used shipping containers with 6-12 month warranties. Available in standard ISO sizes with customization options including painting, logo application, and weld cuts. Includes buyback options and relocation services for owned containers.
Custom modifications
Full-service container modifications including structural changes, electrical systems, HVAC installation, and interior/exterior customizations. Our ASME-certified welders and engineers handle projects from simple door additions to multi-story structures with specialized fabrication capabilities.
Office rentals
Climate-controlled portable office containers with insulated walls and professional-grade HVAC systems. Available in 10-40 foot sizes with open-bay or partitioned layouts, electrical systems, and optional storage combinations for construction sites and temporary workspaces.
Climate-controlled units
Insulated storage containers with HVAC systems maintaining temperatures within 10 degrees of set points. Ideal for sensitive materials requiring climate protection, featuring thermostat control and power-source connectivity for temperature-sensitive storage applications.
Questions
What container sizes are available for rent?
We offer 10-45 foot storage containers and 10-40 foot office containers in various configurations including single/double doors, roll-up doors, and high-cube options.
Do you provide climate-controlled storage containers?
Yes, we offer temperature-controlled containers with HVAC systems maintaining temperatures within 10 degrees of set points using standard power sources.
Can I modify rental containers myself?
You may alter rental containers but must return them to original condition. We recommend using our professional modification services for structural changes.
What payment options are available?
We offer transparent pricing with no hidden fees. Payment details can be discussed with your dedicated account manager during quoting.
Do you offer nationwide delivery?
We deliver containers nationwide with rental services available in Arizona, California, Colorado, and Texas locations.
What warranties apply to purchased containers?
Used containers carry 6-month warranties while new containers include 1-year warranties covering structural integrity and modification workmanship.
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