35 YEARS. ONE SHOP. SECOND GENERATION.
Jim Calder started Northgate with one truck in 1991. His son Mike runs the crews now, from the same shop in Manheim.
Our story
Lancaster County Roofing
Replacement, repair and storm damage. Family owned since 1991. PA licensed and insured.
Water coming in right now?
Call us, we'll tarp it todayThinking about a new roof?
Have us take a lookHow We Can Help
Roof Repair
Water stain on the ceiling? Shingles in the yard? We'll find where it's coming from, fix it that week, and show you photos.
Learn more about Roof RepairRoof Replacement
When patching stops making sense. Old roof off, new one on, usually in a day, and we stand behind it for 25 years.
Learn more about Roof ReplacementStorm Damage & Insurance
Hail or wind come through? We'll check your roof for free, take the photos your insurance wants, and meet the adjuster with you.
Learn more about Storm Damage & InsuranceRoof Inspection
Buying, selling, or just wondering how much life is left? We'll walk the whole roof and send you photos and plain notes. No charge.
Learn more about Roof InspectionGutters & Downspouts
Seamless gutters cut to fit your house right in the driveway, plus guards so you're not up a ladder every fall.
Learn more about Gutters & DownspoutsNot sure what's wrong?
We'll come take a look and tell you straight, even if it turns out to be nothing.
Book a free roof visit
The people on your roof work for us
Most leaks start where somebody rushed, around a chimney or down a valley. Our crews are our own people, not subcontractors, and most have been with us for years. They take their time where it counts.
Meet the crew
Family Owned Since 1991
And we still answer our own phone.
25-Year Warranty
On our work, in writing. If you sell, it goes with the house.
Owner Walks Every Roof
Mike checks it himself before you pay.
Free Written Estimates
Every line spelled out, and the price holds for 30 days.
Pick your roof visit time right now
No voicemail, no waiting for a call back. About an hour, price in writing.
What customers say · sample reviews written for this concept
- Dan M.Hail damage, new roof
Hail hit us in May. They inspected the next morning, met the adjuster, and the new roof was on in one day. Zero drama.
- Lisa P.Leak repair
Found the leak two other companies missed. Fixed it for a few hundred dollars instead of selling me a roof.
- Greg T.Roof replacement
Written price, stuck to it, cleaned up with the magnet like they said they would.
- Angela R.Second roof with us
Second roof we have had them do. First one is 14 years old and still perfect.
- Mike S.Seamless gutters
Gutters measured and made on site. Crew was polite and finished before lunch.
- Karen W.Roof replacement
Mike came out himself at the end and walked the whole roof with us.
Book a free roof visit
You're booked in. We'll text to confirm the visit time.
Current Specials
Free inspection after any storm
Roof, gutters and siding, with photos.
$750 off a full replacement
For military, veterans, seniors, first responders, teachers and healthcare workers.
0% financing for 18 months
On full replacements, with approved credit.
The Roof Registry
Every roof we install gets a numbered 25-year warranty and a line in our public log. 3,412 so far. Sample entries for this concept.
No. 3,412
Lititz
Full replacement, Oct 2, 2026
No. 3,411
Manheim
Full replacement, Sep 30, 2026
No. 3,410
Mount Joy
Storm repair, Sep 26, 2026
No. 3,409
Lancaster
Full replacement, Sep 24, 2026
Serving Lancaster County
Orange dots are towns with roofs in the Roof Registry.
- Lancaster
- Lititz
- Manheim
- Ephrata
- Elizabethtown
- Mount Joy
- Columbia
- Millersville
- Willow Street
- Strasburg
- Quarryville
- New Holland
- Leola
- Landisville
- Mountville
- Marietta
- Denver
- Akron
- Gap
- Paradise
- Bird-in-Hand
- Brownstown
- Rothsville
- Reinholds