A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateFast, Reliable Home Addition Contractor Across Lake Worth
Adding square footage to a Lake Worth home typically costs between $90,000 and $280,000 depending on scope, and the biggest cost driver we see is what’s hiding under the slab, not what you’re framing above it. Benson ADU Fort Worth builds room additions, second-story additions, sunrooms, bathroom additions, garage additions, and bump-outs throughout Lake Worth, and we start every project with a written price before any work begins. If you’re planning a home addition in Lake Worth, call (682) 204-9686 and we’ll walk you through what your specific lot and foundation actually allow.
What sets Lake Worth apart from neighboring Fort Worth or Haltom City is the sheer number of 1950s and 1960s ranch homes sitting on slab-on-grade foundations with original cast-iron drain lines. Those lines shift. They offset. And you won’t know until you add a second bathroom and suddenly the water has nowhere to go. We’ve built our entire Lake Worth process around that reality, which is why our quotes include a sewer camera scope before we ever pull a permit. That’s not an upsell, it’s the difference between a clean inspection and a jackhammer through your new slab.
Why Benson ADU Fort Worth Is Lake Worth’s Preferred Home Addition Contractor Company
Lake Worth homeowners keep calling us back for one reason: when we give a price, it’s in writing, and it doesn’t crawl upward after demo starts. The Relay Visibility Guarantee means every Lake Worth project gets a written price before work starts, a 365-Day Done Right Promise, and a written guarantee on the final product. If something we covered fails within a year, we return on a free second visit and make it right. No phone tag, no hedging. The person who answers the phone at (682) 204-9686 is a live person, every time, day or night.
Our crews working in Lake Worth are background-checked and arrive in uniform, so you know exactly who’s walking onto your property. We build with Dvele, Boxabl, and Plant Prefab panels where they make sense for the project, and we specify James Hardie cladding with the correct wind-load fastener schedule for Tarrant County. That last part matters more than most people realize, and we’ll get into why below.
Troy Eastman leads the Benson ADU Fort Worth team from the Dallas-Fort Worth metro office, and every Lake Worth project runs through his direct oversight. We coordinate permits with Lake Worth’s building department, schedule inspections around your timeline, and send before-and-after photos so you can track progress from your phone. The price we quote is the price you pay, and the work is guaranteed in writing for a full year.
Garage Addition Contractors in Lake Worth
Garage Addition Contractors in Lake Worth work on two very different jobs, and knowing which one you’re pricing changes everything. A detached garage addition with a workshop or ADU conversion above it typically runs $70,000 to $150,000 in Lake Worth, while a simple attached two-car garage addition with no plumbing lands between $55,000 and $95,000. The difference comes down to foundation type, whether you’re tying into existing drain lines, and how much electrical service your panel can handle. Lake Worth’s older ranch homes usually have 100-amp panels, and adding a garage with a workshop or EV charging often means upgrading to 200 amps, which adds roughly $3,500 to $6,000.
Garage With Bathroom and Wet Bar
This is where the cast-iron sewer issue bites hardest. You’re adding a toilet, a sink, and maybe a shower to a structure that was never plumbed for it, and you’re tying into a line that’s been in the ground for six decades. We scope the line first, map the offset, and then design the slab around it. If the offset is bad enough, we sleeve or replace the affected section before concrete goes down, so your pre-pour inspection passes the first time.
Detached Garage ADU Conversion
Converting or building a detached garage with living space above it in Lake Worth means meeting the city’s wind-load requirements for the roof-to-wall connection, not just the ground-level shear. We build with prefab panels from Boxabl and Plant Prefab when the site allows, because those systems arrive with engineering already stamped for the wind speeds Lake Worth sees. You get a faster build and a document trail that satisfies both the city reviewer and your insurance adjuster.
Bathroom Addition Contractor in Lake Worth
A Bathroom Addition Contractor in Lake Worth has to solve the same problem on nearly every 1960s ranch: a cast-iron sewer line that has shifted out of alignment, hidden under a slab that’s about to be poured around it. A typical bathroom addition in Lake Worth runs $45,000 to $90,000 depending on finishes, square footage, and whether you’re tying into existing plumbing or running new drain lines. The materials matter, but the scope and the sewer work are what separate a compliant quote from a cheap one that fails inspection.
Sewer Camera Scope Before Concrete
On a 1960s ranch near the Lake Worth Municipal Complex, we tied a new 480-square-foot addition into the existing cast-iron sewer line and hit an offset that would have passed a simple gravity test but failed under full bath load. Our crew sleeved the line and coordinated a pre-pour inspection with the city, so the slab passed on the first inspection and the homeowner’s wind-rated framing was documented before the roof went on. That camera scope cost a few hundred dollars. It saved the homeowner a re-open that would have run into five figures.
Bathroom Addition on a Slab Foundation
Slab-on-grade means you’re not crawling under the house to run pipe, you’re cutting through concrete to reach it. You need a plan for the drain line path, the vent stack, and the water supply before the first sawcut. We handle all of that in the written quote, including the trenching, the rebar, and the city inspection coordination. Lake Worth’s building department wants to see the sewer camera footage and the plumbing plan before they’ll sign off on the pre-pour check, and we’ve never had a project stall because we skipped that step.
Trusted Brands We Service in Lake Worth
Lake Worth homeowners get real options, not a single take-it-or-leave-it product line. We build with Dvele, Boxabl, and Plant Prefab systems where the site and budget call for it, and we specify James Hardie siding with the fastener schedule that actually holds up to Lake Worth’s severe thunderstorm season. Since we’re authorized to build with these brands, we can bring you engineered options instead of guessing at site-built framing that might not meet Tarrant County wind requirements. Every brand we carry has documentation a homeowner can verify independently, which means your insurance paperwork and your permit file both stay clean.
Common Home Addition Contractor Problems We See in Lake Worth Homes
- Tying into an old cast-iron sewer without a camera scope. A shifted offset under the slab only becomes obvious after the concrete is poured and the bathroom backs up. By then you’re paying to re-open the slab and you’ve failed an inspection that a $400 scope would have prevented.
- Framing a Lake Worth addition to the minimum 90 mph wind speed without documenting the tie-downs. The code requires more than 90 mph framing, they require proof of the roof-to-wall connection. If your contractor doesn’t photograph the tie-downs and diaphragm nailing before the sheathing goes on, the permit stalls and you lose months.
- Using fiber-cement siding from an off-brand with the wrong fastener schedule. Lake Worth’s humid summers and severe thunderstorms warp cheap siding fast. James Hardie products carry a wind-load fastener schedule that has to be followed exactly, or the warranty is void and the siding warps after the first bad storm.
- Quoting a room addition without checking the electrical panel. 1950s and 1960s Lake Worth homes often still run on 100-amp service. Add a second bathroom, a kitchenette, or a workshop and you’re tripping breakers until the panel is upgraded. We include panel assessment in every written quote, so there’s no change order after the walls are up.
Pricing for Home Addition Contractor in Lake Worth, TX
For planning purposes, here’s where Lake Worth addition projects typically land, including labor, materials, permits, and our written guarantee:
- Bump-out addition (120-200 sq ft): $35,000 – $70,000
- Bathroom addition (new full bath): $45,000 – $90,000
- Garage addition (attached, 2-car): $55,000 – $95,000
- Garage addition with bathroom: $70,000 – $150,000
- Sunroom addition (200-400 sq ft): $50,000 – $110,000
- Second-story addition (500-800 sq ft): $120,000 – $280,000
- Room addition (400-600 sq ft): $90,000 – $180,000
What moves the number: foundation type and condition, sewer line scope and any repair it reveals, electrical panel capacity, whether the addition ties into existing rooflines, and the materials you choose. Every Lake Worth quote includes the sewer camera scope, the wind-load documentation, and the permit coordination. Call (682) 204-9686 and we’ll give you a written line-item price before any work starts.
We Also Serve Cities Near Lake Worth
While this page is focused on Home Addition Contractor in Lake Worth, Benson ADU Fort Worth regularly builds additions in Fort Worth, Haltom City, Euless, and Burleson. Our Home Addition Contractor team covers the full Tarrant County corridor, and the same written-price guarantee applies on every job, in every city.
Serving Lake Worth, TX - Our Local Coverage Area
We’re based in the Lake Worth area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Home Addition Contractor in Lake Worth
Lake Worth additions have to be designed for a minimum 90 mph basic wind speed with proper roof-to-wall tie-downs and diaphragm nailing documented before sheathing goes on. James Hardie siding with the correct wind-load fastener schedule, plus prefab systems from Dvele and Boxabl that arrive with engineering already stamped, all meet the Tarrant County requirements. A compliant quote includes photos of every tie-down and a nailing schedule that matches the product spec, so your permit reviewer sees the proof without asking for it twice. Call (682) 204-9686 for an exact quote, the estimate is free.
The permit requires a sewer camera scope before you design the slab, a plumbing plan showing the drain line path and vent stack, and a pre-pour inspection with the city before concrete goes down. Lake Worth’s building department wants to see the camera footage and the tie-down documentation in the same file, so everything is verifiable in one pass. Benson ADU Fort Worth coordinates all of that and pulls the permit for you, with the inspection schedule included in your written price. Call (682) 204-9686 and we’ll map out the full permit path for your specific lot.
Yes. When your addition carries documented roof-to-wall tie-downs, diaphragm nailing patterns, and a wind-rated siding fastener schedule, your insurance provider has verifiable proof that the structure was built to Lake Worth’s wind requirements, which can improve a claim outcome after a severe thunderstorm. Undocumented framing means the adjuster defaults to the cheapest assumption, and you eat the difference. Every Benson ADU Fort Worth Lake Worth project includes a documentation packet with photos and specs you can send straight to your insurer. Call (682) 204-9686 for a written quote that includes the full compliance file.
You run a camera scope through the existing cast-iron line before any foundation work, map the offset or bellied section, and then either sleeve it or plan the slab around it. In Lake Worth, skipping that step means discovering the offset after the slab is poured, which forces a destructive re-open and a failed inspection. The scope costs a few hundred dollars and gets included in every Benson ADU Fort Worth quote that involves a bathroom or kitchen tie-in. Call (682) 204-9686 and we’ll schedule the scope as step one of your free estimate.
Because the contractor framed to the minimum 90 mph wind speed but never showed the actual roof-to-wall tie-downs, the diaphragm nailing pattern, or the fastener schedule for the siding, and the Lake Worth reviewer can’t approve what they can’t see. Once the sheathing is on, the proof is gone, and the permit stalls while the homeowner waits for an engineer to re-open walls. Benson ADU Fort Worth photographs every tie-down and logs the nailing schedule before sheathing goes on, so the inspection file is complete from day one. Call (682) 204-9686 to get a compliant quote before you sign with anyone.
Get Your Lake Worth Home Addition Quote in Writing
Before you commit to any contractor in Lake Worth, get your price in writing, your sewer line scoped, and your wind-load compliance documented. Benson ADU Fort Worth includes all three in every quote, along with the 365-Day Done Right Promise and a written guarantee on every project. Call (682) 204-9686 today and you’ll have a real number, a real plan, and a real person to talk to, not a voicemail loop.
Written by Troy Eastman, Owner at Benson ADU Fort Worth, serving Lake Worth and the greater Tarrant County area.
