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Avatar for Northern Basement Systems
Northern Basement Systems
4.6(
21
)

Serving Ossipee, NH and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"The crew did an excellent job finished I two days, left the job site cleaner than it was originally. Kept me informed on every step of the project."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+25

Response time1 day
3 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Groundworks
Groundworks
4.6(
26
)

Serving Ossipee, NH and surrounding areas

Approved (Corporate)

In business since 1996

Free estimates

Warranties offered

"Everything completed as rescheduled after a weather delay. The crews arrived on time, did the project (2 foundation Cracks, and cleaned up"
Foundation
Foundation
Foundation
Basement
Basement

+16

Response time12 hrs
205 neighbors recently requested a quote
Recommended by56%of homeowners
Avatar for NH Projects LLC
NH Projects LLC
5.0(
20
)

Serving Ossipee, NH and surrounding areas

Approved

In business since 2021

Free estimates

Customers say: Quick response

"NH Projects LLC Timely and meticulous . Showing great attention to detail. We had some water damage and the floors and some walls had to be replaced. We had an old electric heater that had to be disconnected and they placed a call to a electrican and he was here that day , we also needed a plumber and they were able to get a plumber here also the same day. Talk about a complete package. We were beyond pleased. 5 ***** stars no doubt. Paul & Christina from Nashua NH."
Our Work
Our Work
Our Work
Our Work
Our Work

+8

Response time5 hrs
Response rate87%
3 neighbors recently requested a quote
Avatar for Basement Solutions LLC
Basement Solutions LLC
New to Angi

Serving Ossipee, NH and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

We pride our company on reliability, integrity and quality work. We are experts in our trade. We look forward to earning your business! We specialize in concrete crack repair and injections, basement waterproofing, sump pump installations, basement and egress window installations, bulkhead door replacements, crawlspace repair, moisture control, foundation repair and so much more.\nCall us today for a free estimate.

Egress
Egress
Egress
Sump Pump
Perimeter System

+4

Avatar for SW WOOD LLC
SW WOOD LLC
5.0(
1
)

Serving Ossipee, NH and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

"I was very pleased with the work he did, he has a nice way of explaining things , I sure I will hire him again for other projects when needed he is a very pleasant person to deal with. Tank you Scott for being such a nice guy ."
25 neighbors recently requested a quote
Avatar for Green Mountain Basement Solutions LLC
Green Mountain Basement Solutions LLC
4.0(
30
)

Serving Ossipee, NH and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"Mike was able to fit me in the same day for an estimate which surprised me because I'm sure a lot of people are needing his services with all the rain lately but he was in the area that day and came by. Although the company is a nation wide chain, its a franchise and a small business. He is an honest Vermonter with Vermont values which I appreciate. He gave me options but didn't try to talk me into something I couldn't afford and is doing the work within two weeks which I was also happy about being a very busy time for this type of thing."
Recommended by75%of homeowners
Avatar for Granite State Piping
Granite State Piping
4.9(
87
)

Serving Ossipee, NH and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"Eric did what he said he would do on the schedule he said he would. He is very professional. They did a good cleanup after their work. Both the Condo Association manager and my contractor felt he did a good job. In fact, a neighbor has already hired Granite Piping to do the same fuel tank replacement in their unit based upon the manager's recommendation. I recommend Granite Piping highly. Don"
Boiler flues
Water Tratment
GSP1
GSP2
GSP3

+2

Response time1 day
Recommended by97%of homeowners
Avatar for Jackson and Company Foundation Repair
Jackson and Company Foundation Repair
4.5(
20
)

Serving Ossipee, NH and surrounding areas

In business since 1985

Free estimates

Emergency services offered

"I contacted Jackson and Company to obtain
a quote; Mr. Jackson contacted me within a few hours! Rick was polite and very
professional during our conversations. He came out to see the cracks to ensure
that my quote was accurate, especially since I had explained that someone had
attempted to "repair" the cracks previously. Rick arrived promptly at
my home and reviewed my situation. He answered all of my questions and
addressed all of my concerns. He also explained that his work would be covered
under a transferrable warrantee! I had several other quotes however no other company
offered any type of warrantee.
Rob arrived on time to do the job. Rob
was so nice and professional; I was greeted with a smile and a handshake. I
really wanted to see the process and he took the time to explain each step to
me. He worked tirelessly to clean up the mess of the failed ?repair? I could
not believe how much better it looked! He then proceeded to perform the repair allowing
me to watch and take pictures, it?s quite the process. He left both areas that he
worked on immaculate!
I have such peace of mind now knowing
that I will no longer have to worry about there being a huge puddle in my
garage or basement or water spouting out of the cracks! I am so glad that I
chose Jackson and Company to perform this work for me and I would recommend them
to anyone!


"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+4

Recommended by82%of homeowners
Showing 1-10 of 42
Basement Waterproofing questions, answered by experts

If you set up a dehumidifier, it will usually dry out your wet crawl space within 12 to 24 hours. Once the space is dry, it’s a good idea to take preventative measures to keep it dry. These include installing a French drain or other exterior foundation drainage system, installing a sump pump in the crawl space, and installing a vapor barrier in addition to leaving the dehumidifier running.

No, your basement dehumidifier doesn’t need to be on 24/7. While it’s an excellent tool for tackling damp, musty air, especially in humid seasons, leaving it running nonstop can backfire. Over-drying the space can mess with your sinuses, warp wood, and even crack certain materials. Instead, only use your humidifier when moisture levels rise above 50%, and then give it a break when the humidity levels drop.

Yes, you can finish a basement that leaks, as long as you address the leak first. Before finishing a basement, you’ll need to repair any cracks in the walls and waterproof the basement to prevent future leaks. It’s much harder to clean up a water leak from a finished basement than an unfinished one, so preemptively addressing any leaking areas prevents expensive repairs in the future.

Water damage always poses a primary risk of mold and mildew, but growth is not guaranteed. Whether mold develops depends on several factors, including the severity of the water damage and how quickly the area is addressed. To prevent mold, you must act fast—ideally within the first 24 hours. The process involves cleaning up all standing water and thoroughly drying the affected area. If the damage is extensive, the cleanup was delayed, or you suspect mold might be present, it is safest to assume it has grown and contact a professional mold inspector or removal expert to assess the situation.

Mold growth is just one common sign of excess moisture in the bathroom. You may also see the paint in the room start to peel away from the walls, or that the walls remain wet for some time after you bathe.

Condensation on the windows is another sign that your bathroom has a potential moisture problem. The room itself may start to smell like mildew.

The Ossipee, NH homeowners’ guide to basement waterproofing services

From average costs to expert advice, get all the answers you need to get your job done.