
INDUSTRIAL CUSTOMERS

RIGHT, ON TIME AND WITHIN BUDGET



Demolition, Deconstruction,
Hauling and Excavation Experts...
Dunn Company is the leading, experienced, residential, municipal and commercial construction and demolition company in Contra Costa County specializing in demolition, deconstruction, commercial salvage, grading, excavating, site preparation and other services throughout the San Francisco Bay Area and other locations.
We work as a demolition company in Alameda County and a demolition company in Orinda, CA besides Contra Costa for your ease.

Demolition
We’re residential demolition experts. Experienced crews and specialized equipment keeps your costs down.

Commercial Demolition
Demolition and salvage of small to large including structure, foundations, concrete, machinery, dismantling, strip outs and more.

Deconstruction
Deconstruction is an environmentally responsible alternative to demolition. Dunn Company is a Certified Deconstruction Contractor.

Expert Hauling Services
We haul junk, construction debris, demolition debris and more. We do so much hauling, we gave it it’s own Website.

Grading & Excavation
We perform grading to your job-specific elevations and check it with a laser level. Dirt is hauled off and dumped locally.

Drainage
We perform drainage work for new construction as well as repair/maintenance work for existing drainage systems.



Testimonials
What Customers Say About Dunn Company
Orinda
John L.
I think their work ethic is great. Everything got done on time. Dave is an awesome guy.
Pleasanton
P.L.
They do good work and they’re very cooperative.

Fremont
H. I. S.
They did good work in a timely manner. They did everything they said they would do.

Danville
Dean S.
They are reliable and came through with what they committed to do.

Danville
Y. & B
They do good work and get the job done.

Diablo
Scott Z.
I like their professionalism. They know what they are doing.

Alamo
Jon B.
They were on time, on budget and they cleaned up.

Blackhawk
John H.
They started and finished the job on time. They also stuck to the estimate.

Alamo
Craig H.
They came out, gave me a good quote, and got the job done right.

Moraga
Gary M.
I liked the great bidding process. They got the job done on time.

Diablo
S. A.
They were pleasant, clean, quick and the work was more than satisfactory.

Danville
Yale K.
The communication was very good.

Danville
Linda W
They are reliable and they carefully cleaned up after themselves. They were totally honest and consulted with me well.

Danville
Anne C
They gave me a realistic idea of what to expect. Dave was also very nice to his crew.

Danville
Dirk N
I like the fact that it’s an owner-operated business.

Lafayette
Craig P
They’re very professional, thorough and I trust Dave.

Pleasant Hill
Tim D
Dave is a great guy. He shows up on time and does clean work.

Martinez
Oliver S.
Dave keeps a tight job site. He’s clean and on time. Overall, I think it’s one of the best companies out there for that type of work.

Walnut Creek
Judy N.
He did what he said he would do quickly. He was on time and professional.

Walnut Creek
Judi A.
Dave is a great guy. He was easy to talk to and very responsive. He seemed to be on top of everything.

Walnut Creek
Ben A.
They arrive on time, do a good job and have good equipment. Just really awesome. I’ve been doing business with them for about seven years.

Danville
Dean S
They are reliable and came through with what they committed to do.

Danville
Jill T
They were very responsive, cooperative and on time. They were very concerned about doing a good job and did some extra work without asking for additional payment.”

Alamo
Chris H
I liked the bidding process and thoroughness of the job. When I asked them a question, they answered it in a very nice, gentle and professional manner.

Lafayette
James J
They did everything they said they would. It was a big job. They were there every day.

Pleasant Hill
James P
They were competent and very easy to work with. They also made some excellent suggestions and did an overall superb job.

Walnut Creek
Shaun R
I think they’re easy to work with.

Oakland
Jay S
The service and the quality of the work are great.

Dublin
Charlie N
Promptness, cleanliness, professionalism and great work

Pleasanton
P.L.
They do good work and they’re very cooperative.

Fremont
H. I. S.
They did good work in a timely manner. They did everything they said they would do.