Home Addition Contractors Dallas | Room & Second Floor Additions | The Job Hog

Custom Home Addition Contractors in DFW, Texas

Google ★★★★★ Rated 5.0

Room additions, second-story builds, and custom home expansions that blend seamlessly with your existing home. Fixed-price quotes, structural engineering included.

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Plan Your Home Addition

Free design consultation + fixed-price quote within 48 hours.

Before
After

Your Home Expansion Is Our Best Statistic

100% Satisfaction
from homeowners like you… and counting!
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Why Choose The Job Hog

Premium Craftsmanship. Zero Surprises.

Every home addition we build is backed by six commitments that separate us from average contractors.

Custom Design Process

Every addition starts with a tailored design plan that matches your existing home architecture perfectly.

Premium Materials Only

Structural steel, premium framing, and finishes matched to your existing home. Built to last decades.

No Hidden Costs Guarantee

Your quote is the price you pay. Every line item documented upfront. No surprise invoices.

Licensed & Insured

Fully licensed, bonded, and insured. We handle all permits, engineering, and structural inspections.

White-Glove Service

One dedicated project manager, daily cleanups, weekly updates, and crews who respect your home.

Built for Long-Term Value

Our additions add real square footage and resale value. Engineered for structure, designed to last.

Room Additions

Custom Room Additions Built to Match Your Home

Add bedrooms, home offices, or living space that blends seamlessly with your existing home layout, roofline, and architectural style.

  • Bedrooms, offices, and family rooms
  • Foundation, framing, and full finish
  • Matched to existing architecture
Get Free Consultation Today!
Second Floor Additions

Expand Vertically with a Structurally Engineered Second Story

Double your living space without touching your lot footprint. Our second-story additions include full structural engineering, staircase design, and seamless integration.

  • Full second-story construction
  • Structural engineering included
  • Staircase design and integration
Get Free Consultation Today!
Master Suite Additions

Luxury Master Suite with Walk-In Closet and Spa Bath

Add a luxury master suite with walk-in closet, spa bathroom, and private entry. Designed around your lifestyle and built with premium finishes throughout.

  • Full master bedroom and bathroom
  • Walk-in closet and custom storage
  • Premium finishes throughout
Get Free Consultation Today!
Garage & Sunroom Builds

Convert, Expand, or Add Functional Living Space

Convert your garage into usable living space or add a custom sunroom. Functional square footage for every season, fully climate controlled.

  • Garage-to-room conversions
  • Custom sunroom and bonus rooms
  • Climate control and insulation
Get Free Consultation Today!
How We Work

A Streamlined Approach to Perfection

Here is exactly what happens after you request your home addition quote.

Step
01

Free Consultation

We visit your home, assess the structure, and discuss your expansion goals. No pressure.

Step
02

Custom Design & Quote

Our team designs the addition, handles structural engineering, and delivers a fixed-price quote.

Step
03

Premium Build

Your dedicated project manager runs the build with daily cleanups and premium materials.

Step
04

Final Walkthrough

We walk every inch together and do not leave until every detail meets our standard and yours.

What Our Clients Are Saying

Trusted by Homeowners, Built to Last

★★★★★

"James and his team are fantastic. Having worked with them for over a year now, I can verify that James is honest, hard working and will always do right by his clients. Truly a rare breed in this industry!"

★★★★★

"James and the crew are great to work with! They do high quality work with very competitive pricing. HIGHLY RECOMMEND."

★★★★★

"These guys are professional, show up on time, and get things done. We have used them on multiple projects and the quality is consistent every single time. Highly recommend."

17+
Years Building Home Additions Across the DFW Region
About The Job Hog

Where Beauty Meets Beast

The Job Hog Construction is a family-operated home addition and construction company based in Denton, Texas. With over 17 years of experience, we specialize in room additions, second-story builds, and custom home expansions across North Texas.

Our founder James Sendziak oversees every addition project personally. From structural engineering to final finishes, you get a builder who shows up, communicates clearly, and stands behind every detail.

Licensed & Bonded
Fully Insured
1 Year Workmanship Warranty
Locally Owned & Operated
Frequently Asked Questions

Everything You Need to Know

How much does a home addition cost?
Costs depend on the type of addition, square footage, and structural needs. Room additions typically start around $50k, master suite additions from $80k, and second-story builds from $150k. You get a detailed, fixed-price quote after your free consultation.
How long does a home addition take?
A standard room addition typically takes 8 to 14 weeks. Second-story additions run 4 to 6 months depending on structural scope. We provide a realistic week-by-week schedule during your consultation.
Are you licensed and insured?
Yes. The Job Hog Construction is fully licensed, bonded, and insured across Texas. We carry general liability and workers' compensation insurance, and every project includes a 1 year workmanship warranty.
Do you handle permits, engineering, and inspections?
Absolutely. Home additions require structural engineering, building permits, and multiple inspections. We handle all of it including foundation engineering, load calculations, and city paperwork.
What areas do you serve?
We serve the entire DFW Metroplex including Dallas, Fort Worth, Frisco, Plano, Denton, McKinney, Allen, Southlake, Flower Mound, and surrounding communities.
Will the addition match my existing home?
Yes. Matching your existing roofline, siding, windows, and architectural style is our top priority. We design every addition so it looks like it was always part of the original home, not a bolt-on afterthought.
What happens after I submit the form?
Within one business day, a project specialist reaches out to schedule your free in-home consultation. During the visit, we listen to your vision, assess the space, and follow up with a custom design plan and fixed-price quote within 48 hours.
Ready to Get Started?

Your Home Addition is One Call Away.

Book your free in-home consultation and take the first step toward the extra space your family needs.

  • Free in-home addition consultation
  • Fixed-price quote within 48 hours
  • Structural engineering included
  • Licensed, bonded, and insured
Call Now for Free Estimate
(940) 255-4738

Start Your Addition Project

We respond within 1 business day.