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Grieff's Exterior Service Co.

"Low Prices and Fast Service!"

About Us

Grieff's Exterior Services Co., in Pontiac, IL, has offered window replacement and new construction window services since 1992, serving all of Pontiac, Streator, Odell, Dwight and the surrounding communities. We specialize in seamless gutters, leaf protections, gutter guards, siding, roofs, window replacements, windows for new construction and more. For all of your exterior service needs, contact Grieff's Exterior Services Co. in Pontiac today.

Areas Served

Livingston County, IL | Grundy County, IL | Odell, IL | Streator, IL | Morris, IL | Pontiac, IL | Dwight, IL | Forrest, IL | Fairbury, IL | Saunemin, IL | Cullom, IL | Flanagan, IL | Coal City, IL | Gardner, IL | Chenoa, IL | Ransom, IL | Lexington, IL

What We Offer

Our Specialties include:

Our Services include:

Our Brands include:

Our Products include:


On 7/10/2024 Dale Carstens had this to say:
Well, I have scheduled gutter guards to be installed and not done yet

On 7/9/2024 Mark Aberle had this to say:
Exellent professional job Very Pleased!!!

On 7/9/2024 suzanne Donnelly had this to say:
Would highly recommend. They sided our house and we are very happy with the results.

On 7/9/2024 ๐Ÿ‡บ๐Ÿ‡ธ had this to say:
Very pleased with the work done. Top notch crew and very thorough. Canโ€™t say enough good things about Grieffs. Very reliable with No disappointments. . Testimonial written by ๐Ÿ‡บ๐Ÿ‡ธ on this site.

On 7/2/2024 Anonymous had this to say:
Everything went great and looks great Testimonial submitted anonymously directly to this site.

Contact Us

Grieff's Exterior Service Co.
800 W Howard St Pontiac, IL 61764
Phone: (815) 419-2859
Fax: (815) 419-2857

Downtown Odell

Where To Find Us

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Payment Types Accepted

Visa, MasterCard, American Express, Discover, Personal Checks, Debit Cards, Cash

Our Hours

Holiday Hours May Vary. Please Call For Details.

Monday: 7:00 AM - 4:00 PM
Tuesday: 7:00 AM - 4:00 PM
Wednesday: 7:00 AM - 4:00 PM
Thursday: 7:00 AM - 4:00 PM
Friday: 7:00 AM - 4:00 PM


Gutter Shell
Roofing Material


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