TOMAN ENGINEERING COMPANY

Land Surveyors and Consulting Engineers

Locally Owned | Founded in 1946 

Proudly Serving Mandan, Bismarck and the Surrounding Communities

NOTICE: 1st STREET & 4th AVENUE CONSTRUCTION

ACCESS UPDATE EFFECTIVE 8/21/26


The City of Mandan has street construction occurring on 1st Street NW in front of Toman Engineering AND on 4th Avenue NW to the east of our building.

Parking on 1st St and 4th Ave is NOT available at this time.


Parking is available for visitors in the RUNNINGS PARKING LOT to the south of our building

(outlined in yellow on the map below).


There is currently NO SIDEWALK to our front door (north side of building). You can access through our employee entrance  in the alley - please call 701-663-6483 upon arrival.


For updates on the construction project, visit www.cityofmandan.com.

Thank you for your patience during the construction.


Map of Mandan First Street improvements with color-coded highlighted routes and intersections

 Dependable Land Surveying Services

Are you building a house or shop? Do you need to put a fence around  your property? Rely on Toman Engineering Company for an extensive range of land surveying services for all types of building and planning projects for homeowners, rural property owners, developers, and contractors. FREE quotes are available.
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Land surveying
Land and site development

Superior Commercial Planning Services

Is your business growing and you are looking to expand by either adding on to your existing building or building new? Are you an entrepreneur looking to build in the community? Look to the engineers, designers, planners, and inspectors at Toman Engineering Company for your commercial projects in Bismarck, Mandan and the surrounding communities.
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Experienced Civil Engineers

When you need civil engineering services, such as subdivision planning or street/water/sewer construction/rehabilitation, look to Toman Engineering Company. We take care of everything from design and construction staking to complete project administration.
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Civil engineer
Serving the Community for 75 Years

Member of the Bismarck-Mandan
Home Builders Association

Member of the Bismarck-Mandan Chamber EDC

Member of the Bismarck-Mandan
Development Association

Customer Testimonials

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12/11/24 "We sure appreciated working with you all. Very professional and got it done. Perfect." - L.F.


04/22/24 "Thank you! You will get referrals from me, very satisfied!" - L.D.


06/28/21 "Grateful for acknowledging Toman Engineering's prompt, professional services. It is a privilege doing business with Toman Engineering. Thank you for every professional courtesy." - John P.


06/01/23 "Thank you. So Impressed with the office staff and the person who came on-site. Great experience!" - L.R.