Serving All of Maryland

J&J Pro Build

Premium Outdoor Living & Exterior Remodeling

Custom decks, patios, pool decks, screen rooms, fencing, siding & outdoor lighting — built by our own crew across Howard County, Montgomery County, Anne Arundel, and Baltimore County.

Licensed & Insured in MD

10+ Years Experience

No Subcontractors

5-Star Rated

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Custom curved stone staircase and patio by J&J Pro Build

10+

Years of
Excellence

Who We Are

Maryland's Premium Outdoor Living Contractor

J&J Pro Build Construction Inc. is a family-owned exterior remodeling company based in Columbia, MD. We build custom decks, patios, pool decks, screen rooms, fencing, siding, and outdoor lighting for homeowners throughout Howard County and the greater DMV area.

We're authorized installers for the brands homeowners trust most — including Trex, TimberTech, Azek, James Hardie, LP SmartSide, Techo-Bloc, Unilock, Nicolock, and Cambridge Pavingstones. Whatever material you're searching for, we install it.

Unlike other contractors, we never use subcontractors. Every project is built by our own licensed team — which means consistent quality, clear accountability, and a finished product you'll be proud of for decades.

Licensed & Insured in MD

No Subcontractors — Ever

10+ Years of Craftsmanship

Permitted & Code-Compliant Work

Free, Written Estimates

Howard County & Maryland Specialists

What We Build

Craftsmanship in Every Job

Every project is managed directly by J&J Pro Build — no subcontractors, no middlemen. Just craftsmen who take pride in their work.

Decks

Trex, TimberTech, and pressure-treated wood decks built to your exact vision. Multi-level and wrap-around designs crafted for Howard and Anne Arundel County homes.

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Patios & Hardscapes

Natural stone, pavers, and stamped concrete patios and walkways that transform your outdoor space. Serving Columbia, Ellicott City, Bethesda, and beyond.

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Screened Porches

Custom screened porches and breezeways that extend your living space outdoors — protecting you from Maryland's bugs and weather while keeping the fresh air.

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Sunrooms

All-season sunrooms that bring the outdoors in, adding year-round living space and natural light to homes across the DMV.

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Driveways & Walkways

Paver driveways, stone walkways, and entry paths that boost curb appeal and stand up to the DMV's freeze-thaw cycles. Engineered sub-base and precision installation throughout Maryland and Northern Virginia.

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Siding

Fiber cement, vinyl, and engineered wood siding that gives your home a fresh, durable exterior. Dramatic curb appeal upgrades throughout the DMV.

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Why Choose J&J

The J&J Difference

We're not just contractors — we're craftsmen who build outdoor spaces families enjoy for generations. No subcontractors. No shortcuts. Just quality work, done right.

2000

ESTABLISHED

Over a decade building trust in MD & VA

YEARS EXPERIENCE

Outdoor living & exterior remodeling specialists

0.0

STAR RATING

Consistently top-rated across Howard County & DMV

500+

PROJECTS COMPLETED

Decks, patios, fencing, siding & more across MD & VA

"Every J&J project is built by our own licensed team — not subcontractors. That's our promise."

— J&J Pro Build Construction Inc., Columbia, MD

Case Studies

Featured Projects

A selection of recent work from across Maryland.

DecksPatios

Columbia, MD

Composite Deck & Paver Patio — Columbia, MD

900 sq ft Trex Transcend composite deck with a custom pergola, cable railing, and built-in bench seating.

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DecksPatios

Ellicott City, MD

Composite Deck & Paver Patio — Ellicott City, MD

TREX composite deck paired with a Nicolock paver patio, creating connected outdoor spaces for dining, entertaining, and relaxing.

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Patios

Jessup, MD

Nicolock Paver Patio & Hardscape — Jessup, MD

Full hardscape transformation featuring a Nicolock paver patio with retaining walls, seating walls, and custom steps.

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Paver Porch & Sidewalk project in Columbia, MD

Walkways

Sidewalk w/Steps — Columbia, MD

Cambridge paver porch and sidewalk with 4\' cast stone steps, a Coal retaining wall, and Crusader caps — see the full case study in our project gallery.

View Full Project

See More Projects View the Gallery

Client Reviews

What Our Clients Are Saying

"J&J Pro Build built our composite deck and pergola in Columbia and I couldn't be more impressed. The crew was professional, on time, and the quality is outstanding. They handled everything — permits, inspections, cleanup. Highly recommend."

Mike T.

Columbia, MD

4.9

Average Rating

Based on verified customer reviews across MD & VA

Howard County, MD

Montgomery County

Baltimore County

Anne Arundel County

Prince William County

Prince George's County

Carroll County

Where We Work

Proudly Serving Maryland

Based in Howard County, MD, J&J Pro Build serves homeowners throughout Howard County, Montgomery County, Anne Arundel County, and Baltimore County.

Areas We Serve:

Columbia, MD

Ellicott City, MD

Clarksville, MD

Bethesda, MD

Rockville, MD

Gaithersburg, MD

Silver Spring, MD

Annapolis, MD

Severna Park, MD

Towson, MD

Bowie, MD

Greenbelt, MD

And all of Howard, Montgomery & Anne Arundel Counties

Free Estimates — No Obligation

Ready to Transform Your Outdoor Space?

J&J Pro Build serves Columbia, Ellicott City, Bethesda, Rockville, Annapolis, and all of Maryland.

Licensed MD Contractor — No Subcontractors — 10+ Years Experience

Call Us Now

443-822-7810

Get In Touch

Request Your Free Estimate

Tell us about your project and we'll get back to you within 24 hours with a free, no-obligation quote.

Contact Information

Phone

443-822-7810

Based In

Columbia, MD — Serving All of Maryland

Hours

Mon–Sat: 7am–7pm | 24/7 Emergency

FREE ESTIMATES

Detailed written quotes

FAST RESPONSE

We respond within 24 hours

FLEXIBLE SCHEDULING

Appointments that fit you

Licensed MD Contractor

J&J Pro Build Construction Inc.

Columbia, MD · Serving Howard County & All of Maryland