"Rolleiflex" by Adam Singer // CC BY 2.0

J

BZ SCORE: 90

John B Slack

this is my business

BZ SCORE: 90

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Updated: Mar 03, 2026

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License Not Verified

License #	3876
Status	Active
State	South Dakota
Type	Architect

When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of John B Slack with the South Dakota Board of Technical Professions

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	2616, 1801
Status	Active
State	Alabama
Type	Architect

When BuildZoom last verified this license, it had an expiration date of January, 2016. Check the current license status of John B Slack with the Alabama Board of Architects

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	C-800
Status	Active
State	South Dakota
Type	Architect

When BuildZoom last verified this license, it had an expiration date of January, 2016. Check the current license status of John B Slack with the South Dakota Board of Technical Professions

This is a sample of licensing data; click here to access a complete history.

Inactive License

License #	1801
Status	Inactive
State	Alabama
Type	Architect

According to the Alabama Board of Architects, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.

Check this license's status for John B Slack at the Alabama Board of Architects.

This is a sample of licensing data; click here to access a complete history.

Inactive License

License #	2616
Status	Inactive
State	Alabama
Type	Architect

According to the Alabama Board of Architects, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.

Check this license's status for John B Slack at the Alabama Board of Architects.

This is a sample of licensing data; click here to access a complete history.

90

BuildZoom Score

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Before you Hire

Here are some rules, regulations, and laws governing general contractors in South Dakota:

Does John B Slack carry a valid contracting license?

South Dakota does not require general contractors to be licensed to do construction jobs. Specialty contractors may need to be licensed or certified to perform work on construction projects.

How important is contractor licensing in South Dakota?

Specialty Contractors may need to pass an exam before becoming licensed in South Dakota.

Your liability risk when hiring John B Slack

Contractors in South Dakota are not required to carry general liability or workers compensation insurance.It is always a good idea to only hire contractors with proof of active insurance. Specialty contractors may be required to carry active insurance.

How is the BuildZoom score calculated?

The BuildZoom score is based on a number of factors including the contractor's license status, insurance status, verified work history, standing with local consumer interest groups, verified reviews from other BuildZoom users and self-reported feedback from the contractor.

Why you should hire through BuildZoom

When it comes to major construction work or even minor alterations to your home, hiring the wrong contractor could result in incomplete or defective work. You may even find yourself dealing with huge liability claims. BuildZoom does the homework for you and helps you hire the right contractor.

You should get several bids before hiring a contractor

Before hiring a contractor in South Dakota be sure to get at least 3 detailed bids. Quality contractors will take the time to explain their budget proposal,and help guide you through the estimate process. Be wary of an abnormally low bid, they are not worth the risk. These underpriced projects often do not end well for the homeowner, choose a contractor you trust and can clearly communicate with. BuildZoom has made the bid collection process extremely simple (and free). Just click here to get started.

The best way to use BuildZoom is to let us recommend contractors for your remodeling projects.

Homeowners who hire through BuildZoom's free bidding system report high rates of satisfaction, and homeowners who research contractors online are twice as likely to be happy at the end of their project.

If you hire a contractor through BuildZoom, that contractor is accountable to us. We can enforce standards of behavior, mediate disputes, and guarantee satisfaction.

Read more about why hiring through BuildZoom is so effective.

BuildZoom’s database now contains every licensed contractor across the U.S. - over 2.5 million of them... Categorized contractor profiles are enriched using government data from state licensing boards, Better Business Bureau ratings, and more… BuildZoom jumped into the fray by announcing that it raised $10.6 million in a round led by Formation 8. ...the Y combinator-backed startup said it will be focused on remodeling projects, where the median budget is around $19,000… A new index compiled by BuildZoom — which identifies contractors for projects — found that renovations are running 2.8 percent above their 2005 level…

Browse remodeling photos

If you are looking for remodeling ideas, you can browse hundreds of beautiful photos of work performed by our general contractors.

Browse building permits

You can use our building permit search to see the contractors who are active in your neighborhood and the projects currently taking place.

Get a cost estimate

Use our remodeling calculator to get a ballpark estimate for your project. If you're ready to hire, use our bidding system to get actual quotes from local contractors.