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In Concord, NH

BBB Business Review

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BBB Accredited Business since 10/26/1993

Keystone Siding Corporation

(603) 641-29441800 Elm Street, ManchesterNH 03104

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Since 1988 Keystone has been committed to leading the remodeling industry with exceptional value in the installation of siding, windows, sunrooms, and doors.

BBB Accreditation

A BBB Accredited Business since 10/26/1993

BBB has determined that Keystone Siding Corporation meets BBB accreditation standards, which include a commitment to make a good faith effort to resolve any consumer complaints. BBB Accredited Businesses pay a fee for accreditation review/monitoring and for support of BBB services to the public.

BBB accreditation does not mean that the business' products or services have been evaluated or endorsed by BBB, or that BBB has made a determination as to the business' product quality or competency in performing services.

Reason for Rating

BBB rating is based on 16 factors. Get the details about the factors considered.

Factors that raised Keystone Siding Corporation's rating include:

  • Length of time business has been operating.
  • No complaints filed with BBB.
  • BBB has sufficient background information on this business.

Customer Complaints Summary

0 complaints closed with BBB in last 3 years | 0 closed in last 12 months
Complaint TypeTotal Closed Complaints
Advertising / Sales Issues0
Billing / Collection Issues0
Problems with Product / Service0
Delivery Issues0
Guarantee / Warranty Issues0
Total Closed Complaints 0

Additional Information

BBB file opened: 07/14/1993Business started: 09/01/1988
Contact Information
Principal: Michael Hunzeker (President)
Number of Employees


Business Category

Siding Contractors, Sunrooms & Solariums, Windows, Contractor - Metal Roofing

Products & Services

Keystone Siding Corp offers installation of energy efficient siding, vinyl and wood windows, sunrooms, porch enclosures, and doors.

Special financing and budget plans are avalailable.

BBB Program Participation
This company participates in the BBBOnLine Program and has agreed to use special procedures including arbitration, if necessary, to resolve disputes.
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What is a BBB Business Review?

We offer free reviews on businesses that include background, licensing, consumer experience and other information such as governmental actions that is known to BBB. These reviews are provided for businesses that are BBB accredited and also for businesses that are not BBB accredited.


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As a matter of policy, BBB does not endorse any product, service or business.

BBB Business Reviews are provided solely to assist you in exercising your own best judgment. Information in this BBB Business Review is believed reliable but not guaranteed as to accuracy.

BBB Business Reviews generally cover a three-year reporting period. BBB Business Reviews are subject to change at any time.