1. Castelli Roofing and General Contractors

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Williamstown, NJ

Castelli Roofing and General Contractors

4.2 (36 reviews)
Closed • 7:30 am - 2:30 pm

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Rear bumpout with new vinyl by Castelli
Rich G.

Castelli has become my go-to roofer, maintaining a roof they didn't install and one that they did. Also did drain boxes and chimney caps and everything has held up will for years. Cooperative and easy to work with. Do your part, keeping up with your inspections, and they do theirs, coming out to address any leaks that arise during warranty (only happened once to me after several years). They also did a nice job capping my crumbling, asphalt shingled 2nd floor bumpout with vinyl. If you have a two-story S Philly rowhouse you know what I mean. Looks great!

a blue barrel and a green bin

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4 years ago

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1 year ago

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Marcy Z.

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9 months ago

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Marcy Z.

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1 year ago

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Marcy Z.

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7 years ago

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6 years ago

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Marcy Z.

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7 years ago

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Marcy Z.

Helpful 2
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7 years ago

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Marcy Z.

Helpful 2
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6 years ago

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Marcy Z.

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8 years ago

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Marcy Z.

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4 years ago

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Marcy Z.

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5 years ago

Professional, affordable, and very responsive. Easy to work with and always available. Highly recommend.

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Marcy Z.

Thank you Zack. It was a pleasure working with you

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6 years ago

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Marcy Z.

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7 years ago

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11 years ago

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Marcy Z.

Helpful 3
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12 years ago

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Marcy Z.

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10 years ago

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Marcy Z.

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7 years ago

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Marcy Z.

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7 years ago

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11 years ago

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Marcy Z.

Thank you. It is always a pleasure working with you also

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5 years ago

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Marcy Z.

Thank you Warren. Your feedback is important to me!

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8 years ago

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Marcy Z.

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6 years ago

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Marcy Z.

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9 years ago

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Marcy Z.

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6 years ago

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6 years ago

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11 years ago

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Marcy Z.

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12 years ago

Could not fix a leak in my roof after 3 tries. Never call you ahead and come when they feel like it.

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Marcy Z.

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10 years ago

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Marcy Z.

Thank you so much

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6 years ago

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7 years ago

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9 years ago

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8 years ago

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9 years ago

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Marcy Z.

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9 years ago

Great Service! Was able to install a new roof and also fix an issue with the chimney in the same day.

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Marcy Z.

Thank you Eric

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9 years ago

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Marcy Z.

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Ask the Community - Castelli Roofing and General Contractors

Review Highlights - Castelli Roofing and General Contractors

“Communication was excellent throughout the process - Marcy was in touch the whole time and they finished the roof quickly.”

Mentioned in 12 reviews

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Ken Morton & Sons - New roof, so happy!

Ken Morton & Sons

(12 reviews)

Had some water spots and streaks appear out of nowhere in my 2nd-floor ceiling. Called Emmons and…read moreanother local roofing company, Ken Morton & Sons. Josh from Emmons came out while I was away and told my wife that he found the leak. He also said that our dimensional shingle roof was not installed properly 18 years ago when the house was built, which was why the roof was leaking, and that a new roof would cost $4K. Upon returning from my business trip, I called Josh and asked him to come back out, which he did. I asked him to explain how the roof wasn't initially installed correctly and he went on to say that because they didn't cut any of the shingles, the edges of the shingles were causing a channel every other row for water to flow. He continued, stating that Emmons starts the first row with a full shingle, the second with a 2/3 shingle and the third with a 1/3 shingle and repeat that pattern. If this is the case, then they'd be creating more channels for water to flow, but I digress. What a bunch of BS. Then Josh said it would cost $4K to replace only the front slope of the roof over the main structure - not the main structure's rear slope or both slopes over the garage. I asked why he would suggest replacing only a portion of the roof when it was not properly installed in the first place and also questioned what the aesthetics would look like. He (amazingly) agreed and said he would measure/remeasure all roofing surfaces and provide another price, which came to $16K. BTW, while on the roof he was stomping around like an elephant because I could easily hear him from the first floor. Was he trying to damage it? Ken Morton & Sons also came out while I was away. They inspected the attic but couldn't find a leak. What they did find was flexible ductwork that appeared to be leaking condensation, so they told my wife they quickly repositioned and adjusted it to stop the leak. However, I was not convinced that that was the cause after speaking with Josh at Emmons so I asked Ken to come out and inspect my roof from above. One of his guys came out, inspected the roof and said there was no indication of any leaking. Ken called me afterwards and said that he'd love to replace my roof but the ductwork was the cause of my ceiling stains - not the roof. Since then, which has been ~6 months, and after more than one gale force windy and rainy storms no additional stains have appeared in our ceiling. In summary, Josh from Emmons is the owner's daughter's boyfriend who looked and sounded like he never stepped foot on a roof before his future father-in-law give him the job. He just tried baffling me with his BS and, worse, he lied about finding a leak and tried to sell us, first, a partial roof replacement and then a full roof replacement - both of which we didn't need. Josh just wanted to make a sale. He obviously thinks he smarter than John Q. Public and has no interest in wanting to help people. Therefore, please consider Ken Morton & Sons if you have a roofing need.

From beginning to end the process was on point. The communication was great. The workmanship was…read moreawesome. The clean up afterwards was top notch. My insurance company had cancelled my homeowners owners policy and Ken was sure to schedule my job ASAP so I could get new insurance.

Alpha Roofing

Alpha Roofing

(27 reviews)

Bridesburg

After experiencing extensive roof, siding and gutter damage from the current seasonal storms, we…read morewere in desperate need of a highly skilled roofing company who had substantial expertise in both workmanship and the knowledge to communicate effectively with our insurance company. There truly was only one company for our huge unexpected project ~ Alpha Roofing. Be careful who you 'roof' with ~ many will not deal with insurance companies leaving you in the lurch just when you need their help most. We received a detailed estimate (thank you Edna and Christina!), Jim took the time to discuss our needed repairs with our insurance company and within a couple of weeks, Alpha had our roof fixed, the shelters beautifully repaired, the downspouts properly in place, the siding up and looking perfect! (THANK YOU SHAWN AND TOM!!) This is a top notch company ~ they keep appointments, their estimates are honest, their crew is professional and their work is unmatched. Above and beyond, Alpha Roofing is a godsend. P.S. Your clean-up was spectacular!

Very frustrating. Don't fall for the 15 year warranty like I did…read more I am writing my honest review after having my roof done by Alpha Roofing in January of 2026. I don't like writing reviews and most certainly don't like hurting people's businesses. I understand a business takes up a lot of time an effort to build and maintain while being easily hurt by reviews dropped casually over petty grievances putting somebody's living at risk. I do think taking thoughtful accountability can be a major driving force in the improvement of a business though, and that is the spirit in which I write this review. In a nutshell here is what happened to me. In December of 2025 I notice a leak in the ceiling of my baby child's bedroom. I call a roofer to take a look, and the ridge of the roof had been pulled off by the wind. Apparently, there were multiple vulnerable spots and the leak in my son's bedroom was just one of them which appeared to come from the chimney's lack of flashing (which was flagged by home inspection when I bought the house). The recommendation was to replace the roof. First offer was 10K with no warranty but after I spoke with Alpha Roofing they offered 7.6K with a 15 year warranty. I took the second offer because it sounded better plus this roofer had been recommended to me by a friend. So, the roof was done in January and in March the same leak appeared in my baby's room only 2 months after the roof was done. I get on the roof to check the chimney and notice that the flashing that had been done was a very poor job. Not only was it not step flashing (which is the standard practice and the logical thing to do here since the chimney was leaking and prompted the roof repair to begin with) but it was not even caulked around the entire perimeter surrounding the top seam of the flashing. When I showed the pictures to my home inspector, he said the flashing they did was called "Philly flashing" AKA "stupid flashing" (his words not mine). It was only the counter flashing with no step flashing laid in overlapping fashion with the shingles. I call Jim Barton (the owner of Alpha Roofing as far as I know and who had been referred to me by a friend) and he sends a couple of his workers to caulk the rest of the seam around the chimney flashing. I ask if the solution is not to do the step flashing since that is the industry standard and because my house inspector told me that the caulking would have to be redone after 2 years or so (and I paid for 15 year warranty). Jim offers to send his guys to redo it every 2 years on my bill. I tell him I don't like that because the price tag of 7.6K I paid included 15 years of warranty. After me basically wrestling with this issue over text messages and many ignored calls, Jim agrees to redo the flashing around the chimney. So, after a couple more months and a new leak in the same spot of by son's bedroom he finally sends his guys again but, surprise: he only does the counterflashing again with no step flashing. The only upgrade was cutting the reglets on the chimney wall to tuck in the top seam of the flashing sheet. I feel I have been wronged by this person. The only time Jim reached out to me was to call me in the middle of the weekend to ask for the payment of the service done the previous day. After that I have been forced to work around his schedule to communicate with him and I can't have a reasonable conversation. This is very unprofessional and shows that he is totally fine leaving me at a very uncomfortable position waiting for my roof to leak again and only then get him to do something about it. I understand that talking to clients can be frustrating and nerve wrecking for a business owner worried about lawsuits and liability. However, I have been very reasonable and waited 9 months before dropping this review after being basically ignored all this time. I am almost ready to abandon this 15-year warranty. I am more than willing to withdraw this review if I see serious and consequential action to make amends.

Castelli Roofing and General Contractors - roofing - Updated October 2026

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