If we needed to make better use of our space, I could count on Mammoth to efficiently repurpose our space with design and furniture solutions.

The Clearinghouse already had a long standing relationship with Mammoth by the time I got here in 2015. I was directed to get in touch with Mammoth for anything furniture related. What evolved was a great partnership. If we needed to make better use of our space, I could count on Mammoth to efficiently repurpose our space with design and furniture solutions.

When the decision was made to expand and renovate our office, Mammoth was there to break down the old and usher in the new. It was during our build out that I started working more closely with Yar and Kim. We had a multiple phase renovation and Yar and Kim were there every step of the way to provide options that upgraded our conference rooms, collaboration spaces , and breakrooms to warm and inviting spaces. We had the opportunity to move into and work in the completed areas while the phased renovation continued and made furniture adjustments along the way to maximize style and function. After the construction dust was cleared away we grew into the space and found that there were still more furniture solutions to augment the function and feel of the office.

John and Duna have joined Kim and Yar as the “go to” team to make it happen and I’d be remiss if I didn’t give a shout out to the great installation crew. The whole Mammoth team comes together to make you feel valued as a customer. With each experience, from a full breakdown of an office for demolition to a quick stop at the warehouse to pick up parts for a chair repair, Mammoth Office Furniture has always been there and continues to be there for us.

Jonathan Falls
National Student Clearinghouse

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.

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

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

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)

Great prices, fantastic service

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

John Wolfe

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

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 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

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

Top Notch service all around.

Quality Furniture. Top Notch service all around.

Joan Baccay-Marsha

Kim and the staff were very helpful, friendly and treated us with respect.

ACA has been working with Kim for several years.  Our first experience with MOF was in 2013 when we had to furnish our entire office.  Kim and the staff were very helpful, friendly and treated us with respect.  That entire process was positive and has proven to be a great investment.  Recently, we had MOF install privacy panels in our main workspace in order to comply with CDC guidelines.  Again, Kim was very helpful and the installation went very well.

Dean Millard
American Chiropractic Association

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

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

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

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

Always happy with my purchases

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

Eric Guggenheimer

Excellent if you willing to negotiate.

Excellent if you willing to negotiate.

Fred theflo Oliver

Good customer service good prices

Good customer service good prices

Luis Cañas

Great customer service!

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

David Roy

Excellent customer service!

Excellent customer service!

Lisa Hall

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