Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
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AfterFast, Reliable Home Additions & ADU Across North Richland Hills
Adding square footage to a home in North Richland Hills usually falls between $45,000 and $130,000 for most room additions, while a full detached ADU typically runs $90,000 to $220,000. We coordinate every job from our Dallas-Fort Worth office, with crews working locally in North Richland Hills neighborhoods every week. What actually drives your number is the ZIP code and the ground under it: the older 76180 stock west of Rufe Snow Drive sits on post-tension cable slabs that demand extra planning before any foundation cut, while the newer 76182 subdivisions along Davis Boulevard often carry HOA design standards and stricter energy-code requirements. Tom Barrett and his sons are on-site most days, not dispatching strangers from some call center. Call (877) 610-1318 and a live person answers.
Why Barrett & Sons Construction Is North Richland Hills’s Preferred Home Additions & ADU Company
We founded Barrett & Sons in 1998, and the name still means what it meant then: Tom Barrett’s name is on the truck, on the contract, and on the license you can look up yourself. For North Richland Hills homeowners, that matters because the last contractor most people used told them permits were optional. We pull permits and get inspections signed on every eligible job. The permit inspector works for you, not for me, and that’s exactly why I want him involved.
Our North Richland Hills customers tend to say the same three things in their reviews: the price on the phone matched the price on the invoice, the crew showed up when they said they would, and when something needed attention, one call brought Tom back. That last part isn’t a slogan. It’s the 90-Day Done Right Promise, written on every contract, not buried in fine print. If it’s not done right, Tom comes back and makes it right.
Call (877) 610-1318 and you’ll talk to a live person, 24 hours a day, seven days a week. Not a voicemail box and not an out-of-state call center. We run background-checked crew members who carry the Barrett & Sons name, uniformed on every visit. Ask anyone on your street, or look up the license number yourself.
Our Home Additions & ADU Services in North Richland Hills
Our Home Additions & ADU team handles the full range of work, from one-room bump-outs to complete second-story additions and detached units. Here’s how the most common projects look in North Richland Hills specifically.
ADU Design & Permitting
North Richland Hills allows accessory dwelling units, but the path from drawings to approved permits differs depending on whether your lot falls in the older 76180 core or the newer 76182 subdivisions. In 76182, HOAs often have their own design review process that runs parallel to city permitting, and we handle both. We also verify soil conditions before the foundation detail is finalized, because the expansive clay east of the Cross Timbers boundary moves more than homeowners expect, and a slab designed for stable soil won’t hold up here.
Garage Conversion ADU
A garage conversion in North Richland Hills typically runs $30,000 to $80,000 depending on whether you’re adding plumbing for a kitchenette or bath, upgrading electrical, and reworking the driveway approach. Most garages in the 1965-1985 ranch stock in 76180 were built on slab-on-grade with minimal stem walls, so we plan for step-down transitions, moisture barriers, and insulation retrofits that newer construction doesn’t need. The good news: converting space that already exists is nearly always cheaper per square foot than building new.
New Detached ADU
A new detached ADU in North Richland Hills is generally a $90,000 to $220,000 project, with the final number set by unit size, foundation type, utility runs, and finish level. East of Precinct Line Road, many lots in the newer master-planned subdivisions have HOA covenants that restrict detached structures’ height, exterior materials, and rooflines. We pull the HOA package and the city permit package together so you don’t get approved by one and rejected by the other.
Junior ADU & Interior Conversion
A junior ADU, usually a converted primary-suite wing or enclosed bonus room with a small kitchenette, can add rental income or multi-generational space without the full cost of a detached unit. In older North Richland Hills ranch homes, the best candidates are often oversized utility rooms or tandem garage bays that already sit near existing plumbing. The main structural consideration is the post-tension slab: any interior wall removal or plumbing trench near a cable line requires cable locating first. An allowance that isn’t on paper is a surprise waiting for a date, and slab work in 76180 without a locator is exactly the kind of thing that produces a surprise.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in North Richland Hills
For window and door openings on North Richland Hills additions, we regularly install Simonton and Ply Gem products, both of which hold up to the temperature swings and storm season we get here. We also work with PGT impact-rated windows when a project calls for windstorm-rated glass. These are names you can look up, not mystery brands off a van. Because we’re running local crews in North Richland Hills every week, we can source standard sizes fast and get custom orders placed the same week as your scope sign-off.
Common Home Additions & ADU Problems We See in North Richland Hills Homes
- Post-tension cable strikes during foundation work: Homes built across 76180 from the 1970s onward commonly used post-tension cable slabs. Hitting a live cable during a room addition or plumbing trench can void the slab warranty and trigger five-figure remediation costs that out-of-area crews regularly fail to price in. We run a cable locator before any slab penetration, every time.
- Expansive clay movement at the addition seam: North Richland Hills sits where Cross Timbers sandy loam transitions toward Blackland Prairie clays, and that boundary moves with drought-then-rain cycles. When we tie a new addition to an existing slab, we specify the connection detail based on soil testing, not habit, because a poorly designed seam will crack within two years in this soil.
- HOA design-review denials in 76182: The newer sections of North Richland Hills, especially around Davis Boulevard and the custom subdivisions, enforce exterior material and roofline standards that can kill a permit-ready plan. We run the HOA package before you spend money on architectural drawings that won’t pass.
- Undersized HVAC and electrical panels on older homes: Many 1965-1985 ranch homes in the western core still carry original 100-amp panels and single-zone HVAC. An addition adds load and square footage, and if the panel can’t carry the new circuits or the condenser can’t push the extra tonnage, the addition won’t function right. We size both before framing starts, not after drywall is up.
Pricing for Home Additions & ADU in North Richland Hills, TX
As our Home Additions & ADU in North Richland Hills customers learn fast, the biggest cost variable is what’s underground and what the HOA requires above it. A straightforward room addition in North Richland Hills usually runs $45,000 to $130,000. Garage conversions land between $30,000 and $80,000. Detached ADUs run $90,000 to $220,000. Junior ADUs and interior conversions typically price by scope, but most fall between $45,000 and $90,000. Finished square footage, foundation type, utility distances, and interior finish level set the final number. We give you a written line-item quote with every scope and allowance on paper, and every price change arrives as a written change order before work happens. Call (877) 610-1318 to schedule your free estimate. No trip charge inside the county, and a free second opinion on any written estimate you’ve already received.
We Also Serve Cities Near North Richland Hills
Our crews cover North Richland Hills and the surrounding communities, including Richland Hills, Watauga, Hurst, and Colleyville. If you’re on the edge of 76180 or 76182, call (877) 610-1318 and we’ll confirm coverage and scheduling for your street. We also handle Kitchen Remodeling in North Richland Hills and Bathroom Remodeling in North Richland Hills for homeowners who want to tackle interior spaces before or alongside an addition.
Serving North Richland Hills, TX - Our Local Coverage Area
We’re based in the North Richland Hills 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 - Home Additions & ADU in North Richland Hills
We can usually schedule a free on-site estimate in North Richland Hills within a few business days, depending on the week and your ZIP code, and our crews are already working in 76180 and 76182 most weeks. Call (877) 610-1318 and a live person will give you a straight answer on scheduling, not a voicemail promise.
Yes, we work across all of North Richland Hills, including the older ranch-home neighborhoods west of Rufe Snow Drive in 76180 and the newer subdivisions along Davis Boulevard and Precinct Line Road in 76182. Each side of town has different slab, drainage, and HOA considerations, and we plan for both before your first estimate.
Not without your written sign-off. Every scope, every allowance, and every price change arrives as a written change order before work happens. The allowance that isn’t on paper is a surprise waiting for a date, and that’s not how we do business. Call (877) 610-1318 for an exact quote with everything in writing.
Yes, permits are pulled and inspections are signed on every eligible job. The permit inspector works for you, not for me, and we want that inspection on record. Any contractor who tells you permits are optional on an addition or ADU in North Richland Hills is telling you something that will cost you later.
Every completed job is backed by our 90-Day Done Right Promise, written on the contract. If it’s not done right, Tom Barrett comes back and makes it right, one call. For North Richland Hills homeowners, that means the person who built your addition is the same person who answers when you call about it.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving North Richland Hills homeowners with permits pulled, written change orders, and the 90-Day Done Right Promise on every job.