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Best basement remodelers near Washington, NJ

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Top-Rated Basement remodelers in Washington - Updated Nov 2026

Avatar for Sure-Fix Remodeling
Sure-Fix Remodeling
4.7(
387
)
Basement - Remodel

Serving Washington, NJ and surrounding areas

Approved

In business since 2007

Free estimates

Warranties offered

"Sure-Fix surpassed my expectations of what a finished basement should look like. Everything went smoothly and met all of our needs. Tony and Henry were extremely knowledgeable and gave us great suggestions. We will definitely hire Sure-Fix again for any other remodeling projects we have in the future."
BCI Walk-in Shower Install
Installing our first GAF roof!
BCI Walk-in Shower
Rustic Boho Basement remodel
Built-in shelves and Fireplace install to update out=dated living room

+45

Response time11 hrs
31 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Owens Corning Basement Finishing System
Owens Corning Basement Finishing System
4.5(
746
)
Basement - Remodel

Serving Washington, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1990

Free estimates

Warranties offered

"We love our basement remodel. Peter, Alex and his team were here when they said theyâ d be here, completed the job as described, and kept us updated along the way. The basement now looks and feels clean and bright. The additional space doesnâ t feel like a basement at all and is enjoyed by the whole family. We highly recommend Lux Renovations."
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+40

Response time1 day
Response rate100%
220 neighbors recently requested a quote
Avatar for Restored NJ
Restored NJ
4.8(
19
)
Basement - Remodel

Serving Washington, NJ and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

Restored NJ is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

Response time3 hrs
Response rate93%
Recommended by89%of homeowners
Restored NJ LLC
5.0(
4
)
Basement - Remodel

Serving Washington, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2018

Free estimates

Warranties offered

Restored NJ is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Modern Home Improvements, Corp.
Modern Home Improvements, Corp.
4.2(
9
)
Basement - Remodel

Serving Washington, NJ and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

At Modern Home Improvements Corp, we pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. Modern Home Improvements Corp looks forward to earning your business! \nEstimates are free. \nIf a consultation is provided there will be a fee based on the amount of time spent with the client at the property. A Fee will be collected by the representative of The Company at the end of the conciliation. \nPlease note if any fee is collected it will be Partially credited to a signed contract on the first week of the project start.

Amazing Kitchen with upgrades
Kitchen Without upgrades
hardwood Flooring done right
after with new matching Floor
before without the upgrades

+5

Response time1 day
Recommended by100%of homeowners
LJL General Contracting, LLC
5.0(
3
)
Basement - Remodel

Serving Washington, NJ and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

LJL General Contracting, LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. \n

Response time11 hrs
7 neighbors recently requested a quote
Recommended by66%of homeowners
Beyond Measure Home Improvements, LLC
5.0(
4
)
Basement - Remodel

Serving Washington, NJ and surrounding areas

Approved

In business since 2024

Free estimates

Small jobs welcome

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

Response time4 hrs
3 neighbors recently requested a quote
Recommended by75%of homeowners
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Basement Remodel FAQs, answered by experts

You should plan on waiting at least a year and ideally two to three years after construction before finishing your basement. This will give the foundation time to settle in response to the weight of your home and the expansion of the surrounding soil. You can then repair your foundation and seal any cracks as needed before finishing it to reduce your risk of future leaks or other issues.

Making a window in a basement larger costs an average of $4,200. You’ll need to pay an average of $550 to have a structural engineer plan the project, $500 to $1,500 for the installation labor, and an average of $2,200 for the excavation and window well installation. The remainder will go toward pulling permits, installing trim, and repairing drywall on the interior.

Framing a basement takes three to five days, on average, when completed by a professional, though it may take longer for a larger space. Keep in mind this doesn’t include the time to complete the design, obtain permits, and install the drywall on the framing. On average, fully finishing a basement takes an average of 45 days.

Since DIYing a basement remodel isn't typically advised, there are some ways that you can still save money on this project without putting yourself in danger. Some ways to save money on a basement remodel include:

  • Painting walls yourself versus including in the cost of the remodel 

  • Installing light fixtures yourself

  • Choosing prefabricated fixtures, like cabinets, over custom ones

  • Choosing a budget-friendly flooring option, like laminate or vinyl flooring, and add rugs where necessary

Building up by adding square footage to the top of your home is often less expensive than adding a basement, but it depends on the specifics of your house, your property, and supply costs. Because building a basement requires excavation, it can be a more expensive option than building up.

The Washington, NJ homeowners’ guide to basement remodels

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