Basement Remodeling and Finishing

Basement remodeling is one of the smartest ways to expand your living space without changing your home’s footprint. By transforming an underused or unfinished basement into a functional area, you can create room for family gatherings, a guest suite, a home office, or a playroom, tailored to your lifestyle. A well-designed basement not only adds comfort and versatility but also enhances your family's quality of life every day.


At JJ Ronquillo Home Remodeling LLC, we specialize in basement remodeling and finishing services for homeowners and property owners in Trenton and throughout New Jersey and Pennsylvania. With 18 years of experience, we know how to transform underused or outdated basements into beautiful, functional living spaces, whether it’s for extra family room, rental income, or long-term property value.


As a licensed, bonded, and insured contractor, we manage your basement project from start to finish, including design, framing, plumbing, electrical work, and finishing touches. We’re also your trusted local expert for basement waterproofing and emergency water intrusion repairs to ensure your investment stays safe and dry.

Complete Basement Renovations from Concept to Completion

Finishing a basement is one of the best ways to add livable square footage to your home. Whether you’re envisioning a cozy home theater, a guest suite, home gym, office, or an entertainment zone, JJ Ronquillo Home Remodeling LLC has the experience and tools to make it happen.


We begin every basement remodeling project with a free onsite estimate. Our team will assess the space, listen to your goals, and develop a clear plan that suits your budget and timeline. From framing walls to laying floors and painting, we handle every aspect with precision and professionalism.

Basement Remodeling Services


Our comprehensive basement services include everything needed to complete your space the right way:

Basement layout design and space planning

Framing and drywall installation

Interior painting and finishing

Floor installation

Lighting, recessed fixtures, and full electrical work

Plumbing for bathrooms, wet bars, or laundry rooms

Custom shelving, storage, and trim work

Stairway upgrades and safety enhancements

Egress window installation to meet code

Insulation and waterproofing

We build every basement with comfort, style, and code compliance in mind, ensuring a result you’ll love for years to come.

Ways to Transform Your Basement

Home Theater

Guest Suite

Home Office

Kids’ Playroom

Home Gym

Game Room

In-Law Apartment

Laundry Room

Basement Waterproofing and Emergency Services

A finished basement starts with a dry one. At JJ Ronquillo Home Remodeling LLC, we offer professional basement waterproofing services to keep moisture out and protect your home from long-term damage. Whether you’re seeing small leaks, pooling water, or visible cracks in your foundation, we’ll identify the source and implement a permanent solution.


We also provide emergency waterproofing services when you need a fast response after heavy rains, flooding, or storm-related issues. Acting quickly can prevent serious structural damage and mold growth, and we’re here when you need us most.

Our weatherproofing services include:

Foundation crack repair

Interior and exterior drainage systems

Sump pump installation and replacement

Vapor barriers and moisture control systems

French drain installation

Emergency water intrusion repairs

Serving Homeowners Across NJ and PA

From Trenton, NJ, to surrounding cities and communities across New Jersey and Pennsylvania, JJ Ronquillo Home Remodeling LLC proudly serves homeowners with professional basement remodeling and finishing. No matter the size or condition of your basement, our team has the experience and equipment to complete the job right, the first time.


Our reputation is built on delivering quality craftsmanship, honest pricing, and dependable service every step of the way.

Why Finish Your Basement?

A finished basement is more than just extra space; it’s a valuable investment in your home. Here are some of the benefits:

Increase Home’s Usable Space

Add Value to Property

Create Space for Guests, Entertainment, or Hobbies

Improve Insulation & Energy Efficiency

Solve Long-Standing Water & Moisture Problems

Enjoy a More Updated Living Environment

Call to Book Your Free Estimate Today

If you're ready to reclaim your basement and turn it into a space you'll love, JJ Ronquillo Home Remodeling LLC is here to help. From full remodels to waterproofing, we provide expert basement solutions with attention to detail and long-term performance.


Call us at (609) 775-5224 for a free estimate and ask about our 10% OFF your first job over $1,000. Let’s turn your basement into one of the best parts of your home.