"Cold Steel" by Terry Johnston // CC BY 2.0

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Diller Wierman

this is my business

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Best Plumbers in Hanover

Updated: May 12, 2025

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License Not Verified

HIC #	PA087253
Status	Active
State	Pennsylvania
Type	Plumbing, Heating, Sheet Metal, Welding, Fabrication Contractor.Sheet Metal Fabrication, Welding

When BuildZoom last verified this license, it had an expiration date of December, 2017. Check the current license status of Diller Wierman, Inc with the Pennsylvania Office of the Attorney General

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

Inactive License

HIC #	PA087253
Status	Inactive
State	Pennsylvania

According to the Pennsylvania Office of the Attorney General, 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 Diller Wierman, Inc at the Pennsylvania Office of the Attorney General.

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

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BuildZoom Score

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*No active license on file. If you are Diller Wierman, Inc, click “This is My Business” to update your information.

Insured

Insurer	Donegal Mutual Insurance Co.
Insured up to	$1,000,000

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Before you Hire

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

Does Diller Wierman, Inc carry a valid contracting license?

Anyone who owns or operates a home improvement business or who offers, performs, or agrees to perform home improvements in Pennsylvania must register with the Office of Attorney General. New home builders do not have to register and are exempt from the regulation but must meet all applicaple building codes.

Diller Wierman, Inc currently holds license PA087253 (Plumbing, Heating, Sheet Metal, Welding, Fabrication Contractor.Sheet Metal Fabrication), which was Inactive when we last checked.

How important is contractor licensing in Pennsylvania?

Contractors in Pennsylvania do not have to take an exam prior to registering as home improvement contractors.

Your liability risk when hiring Diller Wierman, Inc

Registered home improvement contractors in Pennsylvania must show proof of general liability insurance with minimum coverage of $50,000, workers' compensation insurance is not required. It is a good idea to only hire contractors with current general liability and workers' compensation policies. Be sure to request copies of insurance certificates for each before any work begins.

Diller Wierman, Inc holds a $1,000,000 insurance policy with Donegal Mutual Insurance Co..

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 Pennsylvania, 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.