Excellent service, massive selection

Excellent service, massive selection. Thank you Yar for helping us purchase over $12,000 totally over 3 truck loads!! Great prices

Carol Vacca

Great customer service!

Great customer service! Good selection. Very easy to work with.

David Roy

We have used Mammoth Office repeatedly over the past 10 years

We have used Mammoth Office repeatedly over the past 10 years and will continue to use them in the future. They have helped us organize our many work areas into productive environments. You can rely on Mammoth to be straight with you and to deliver when they say they will. There installation team is top notch. You can count on them to deliver and install on time every time.

David D. Lowers
Lowers Risk Group

Very professional, knowledgeable and fast crew.

Very professional, knowledgeable and fast crew. Been using Mammoth for 4 year for furniture needs and other around the office projects that can use a professional hand… from moving furniture to hanging boards and pictures. Recommend to all.

LaShaunda C

Very Pleasant Experience

We had a very pleasant experience working with Mammoth. As COVID has forced us to work from home, we were able to upgrade our desks to height-adjustable frames and get high-end office chairs for a fraction of the cost of other stores or buying online/direct. They also delivered the heavy furniture to my doorstep! The warehouse is not your typical retail storefront as their inventory is constantly changing. There was a mix of new furniture and used. The used furniture was all high-quality and in excellent condition – we bought an ergonomic chair at a fraction of the new cost and it still had tags on it! If you are looking for high-end furniture name brands like Steelcase, they have you covered. I appreciate that they required masks, had plenty of hand sanitizer, and are keeping things as clean as possible to make sure everyone stays safe. We did end up returning one desk tabletop that we overbought, and had no problem switching it out. The team was professional and helpful the entire time. I would recommend working with this company to anyone!

Tiffany D.

They have great prices and

They have great prices and a helpful staff.

Jonathan Tomek

Courteous staff and supportive.

Nice options ! Courteous staff and supportive. Understood my needs and served me well. A place for a good quality bargain !


The selection is HUGE.

Dealt with Mike twice, him and his team took care of me both times. The selection is HUGE. Saved me a lot of money vs. buying new furniture.

Jeff S., Chantilly, VA

Friendly and helpful staff

A very interesting, tucked-away place to get high quality new and used office furniture at great prices. Desks are priced by the foot, chairs are priced by type, etc. Friendly and helpful staff can get you exactly what you want quickly, whether for a home office or your new mega-corp.

Daniel Gallant

Good customer service good prices

Good customer service good prices

Luis Cañas

Always happy with my purchases

I Have been shopping for office furniture for 5 years and always happy with my purchases

Eric Guggenheimer

Excellent customer service!

Excellent customer service!

Lisa Hall

You guys had everything we need in one place

You guys had everything we need in one place…..We purchased Cubicles, Desks, Front desks, office sets, Chairs, File Cabinets. Good quality of new and used furniture, local company, [benefit of] one company, one deal.

Juan A. Torres

Knowledgeable and friendly

We ordered all of our office furniture from Mammoth Office Furniture LLC and we were extremely impressed with John’s insight, help and advice. He helped us stay within our budget and our new office looks amazing. John is very knowledgeable and friendly. We highly recommend setting up to meet with him to address your needs. The furniture delivery and install went so smooth. The men who delivered and installed the furniture were professional, polite and very hardworking. We look forward to doing more business with John at Mammoth Office Furniture in the future.

Jordan Ray

Mammoth was fantastic.

Mammoth was fantastic. The owner spent an hour helping us find furniture for our small business in Washington DC. We bought two used beautiful conference tables at reasonable prices ($1,000 and $1,100 for a 12 and 11 footer) as well as super new office chairs.

Celeste A., Washington, D.C.

Great prices, fantastic service

Great prices, fantastic service, and a lot of fun used furniture to browse through.

John Wolfe

Mammoth saved us money and provided a good option versus buying new

We’ve used Mammoth Office for cubicle furnishings for our church administrative areas. Mammoth saved us money and provided a good option versus buying new… [Providing a] wide array of materials, ability to “customize” cubicles (select fabric, desk covering, etc.), [offering] professionalism of installation, office support. Will we use Mammoth Office Furniture again? ABSOLUTELY!

Rev. Melvin E. Jones, Exec. Pastor
Antioch Baptist Church

They under promise and over deliver.

We have used Mammoth for a number of furniture augmentations over the past 7 years. When it came time to move to a new office of over 20,000 sq. ft. , Mammoth was the company to assist in the move and provide a myriad of furniture to include cubicles, conference room tables, complete office suites, training room set up, etc. Their design staff worked tirelessly to get the configuration we wanted at a price that fit our budget. .. They under promise and over deliver. The price is right, the service is excellent and the end result is professional. They work hand in hand with you and can assist as you need to change configuration, grow or downsize as business cycles dictate.

Drew Fetterolf, President
Jenkins Restorations

We utilized Mammoth Office for 95% of our office furniture purchases

We utilized Mammoth Office for 95% of our office furniture purchases; which included: customized workstation cubicles, reception area, break room, conference rooms, and executive offices. The best part of using your services for our company’s needs is your experienced design team. They provided excellent concepts which produced outstanding results. Mammoth Office Furniture benefited our company, by exercising an extremely short transition time to furnish a new office for a minimum of 50 employees. Mammoth also met all delivery installation dates. Others should consider using your company to receive fair pricing, easy product accessibility, and a vast selection of options available through your huge inventory.

John Redmon
Strategy and Management Services, Inc. (SAMS)

Excellent if you willing to negotiate.

Excellent if you willing to negotiate.

Fred theflo Oliver

Top Notch service all around.

Quality Furniture. Top Notch service all around.

Joan Baccay-Marsha

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