Fast, Reliable New Detached ADU Across Burleson
A new detached ADU in Burleson typically costs between $185,000 and $310,000 all-in, from the first site survey through final inspection. That number covers a 600 to 900-square-foot unit with one bedroom, a bath, kitchenette, and its own utility tie-in. The range shifts based on septic capacity, soil conditions, and whether your property sits in the Tarrant County or Johnson County half of Burleson. Call (971) 497-2402 and we’ll put a written number in front of you before any work starts.

Our New Detached ADU team works Burleson lots weekly. We know the difference between a quarter-acre Hidden Creek parcel and a half-acre spread off County Road 603. That matters when the foundation plan has to account for clay soil movement on one street and septic setbacks on the next.
Why Ellery ADU Studio Is Burleson’s Preferred New Detached ADU Company
Ellery ADU Studio has been designing and building detached accessory units since 2015, with over 900 ADUs delivered under a single contract at a single written price. In Burleson, that model matters more than in most DFW suburbs because the permitting path is not uniform. A house off Wilshire Boulevard may connect to city sewer with a straightforward City of Burleson building permit. A house three miles south, off CR 604, likely sits in the Johnson County portion of the city and needs a second approval from Johnson County Environmental Health before a single excavation begins. We handle both tracks and run them in parallel so one does not stall the other.
Homeowners in Burleson tell us the same thing: they researched for months, got three different answers from three different contractors, and then called us because their free second-opinion walk found we had already permitted a similar lot in their neighborhood. We do not ask you to trust a sales pitch. We show you the permit set, the written scope, and the photo record from the last comparable build we completed in your area.
Every project carries a written price before work starts. That is Haven Standard Clause 1, and it is not a marketing phrase. The 365-Day Done Right Promise backs the build in writing: if the finished ADU is not built to the permitted drawings, we make it right.
Our New Detached ADU Services in Burleson

We build new detached ADUs five ways in Burleson. The right approach depends on your lot, your septic situation, your HOA, and what the ADU is for: rental income, aging parents, a home office, or a long-term guest suite.
Custom Built ADU
A custom-built ADU gives you full control over layout, roofline, and exterior finish so the unit looks like it was built with the main house, not bolted on after. In Burleson’s older neighborhoods near downtown, where pre-1970s wood-frame homes sit on narrower lots, a custom build lets us design tight to setbacks without triggering a variance. On quarter-acre lots in subdivisions along Alsbury Boulevard, a custom ADU with board-and-batten or brick-veneer cladding matches the 2000s-era tract aesthetic and keeps neighbors and HOAs calmer.

Studio ADU
A studio ADU, roughly 400 to 550 square feet, is the most common detached unit we build in Burleson because it fits a constrained lot without eating the entire backyard. At that footprint, we can often keep the existing driveway access and stage materials along a side-yard strip instead of blocking a cul-de-sac. On properties in the Johnson County portion of the city, a studio with a single bath has a real advantage: it may fit within the existing septic system’s rated capacity, avoiding a full drain-field replacement the county would require for a larger two-bedroom unit.

1-Bed & 2-Bed ADU
One- and two-bedroom detached ADUs run 650 to 900 square feet and typically serve long-term rental or multi-generational housing. In Burleson, a two-bedroom ADU on septic almost always triggers a Johnson County Environmental Health review of the existing tank and drain field. If the system cannot absorb the added wastewater load, the ADU design must be revised or the septic system replaced. We run that assessment early, during quoting, not after the pad is poured.

Prefab ADU Installation
We specify and coordinate prefab and modular systems from Cover, Dvele, and Boxabl when the Burleson lot allows crane access and a clear staging path. A prefab ADU can cut on-site construction time by four to six months, which matters on tight lots where a prolonged build would irritate neighbors and draw code complaints. The catch in Burleson: many newer subdivisions have narrow streets and restricted community entrances that a delivery truck carrying a full module cannot navigate. We verify that before you commit to a system.

What happens when you call
- 1
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 Burleson
Ellery ADU Studio specifies and coordinates prefab and modular systems from Cover, Dvele, and Mighty Buildings within the same single contract that covers design, permitting, site work, and construction. That means you are not juggling a factory, a foundation crew, and a general contractor and hoping they talk. When a Cover unit arrives in Burleson, our crew handles the crane day, the tie-in, and the finish work. We know which modules clear the height limits on the tree-lined streets off John Jones Drive and which ones cannot make the turn onto a cul-de-sac off Hidden Creek Parkway.
Common New Detached ADU Problems We See in Burleson Homes

- Septic capacity killed the design too late: A foundation gets permitted through the City of Burleson, but the Johnson County Environmental Health review comes back and the drain field is undersized for the added bedroom. The entire ADU must be redesigned after the pad is poured, adding months and thousands.
- Shrink-swell clay movement: Burleson sits on the Blackland Prairie and Cross Timbers transition zone, where expansive clay soils heave and settle with the seasons. A slab designed without proper drainage and soil prep will crack at the tie-in within a few years. We size the foundation for the soil report, not for a generic DFW standard.
- HOA restrictions discovered after design fees are spent: Many Burleson subdivisions built after 2000 carry deed restrictions that prohibit or severely limit accessory structures. We check the recorded HOA documents during quoting, before a permit fee is paid or a design set is drafted.
- Staging and access conflicts on narrow lots: On older streets near downtown Burleson, there is no room to stage lumber, a mini-truck, and a dumpster without blocking a shared driveway. We reserve staging zones and schedule deliveries in sequence, which keeps city code enforcement off the job and the cul-de-sac clear.
Pricing for New Detached ADU in Burleson, TX
A studio ADU in Burleson runs $185,000 to $240,000. A one-bedroom detached unit lands between $220,000 and $280,000. A two-bedroom, two-bath ADU runs $260,000 to $310,000. Those numbers include design, the permit set, site work, utility tie-ins, construction, and the documented photo record on every visit.
Three things move the number in Burleson more than anything else. First, septic: if your Johnson County lot requires a drain-field expansion or replacement, add $15,000 to $35,000 and six to ten weeks of county review. Second, foundation: expansive clay on parts of Burleson may require a reinforced slab or drilled piers, adding $8,000 to $20,000 depending on the soil report. Third, access: a tight lot with no staging zone means hand-carrying materials and scheduling smaller deliveries, which adds $5,000 to $12,000 in labor and logistics.

You get the exact written price before any work starts. That is Haven Standard Clause 1. Call (971) 497-2402 to schedule a free estimate.
We Also Serve Cities Near Burleson

Our crews work Burleson weekly, and we also cover Burleson neighbors in Mansfield, Arlington, Fort Worth, and Haltom City. The permitting path changes at the county line. The foundation approach changes with the soil. The written-price guarantee does not.
Serving Burleson, TX - Our Local Coverage Area
We’re based in the Burleson 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 - New Detached ADU in Burleson

Yes. If your lot is in the Johnson County portion of Burleson and operates on a private septic system, a detached ADU with a bedroom and bathroom requires a Johnson County Environmental Health permit for septic capacity review in addition to the City of Burleson building permit. The county review runs on its own timeline and can take four to ten weeks. We submit both applications in parallel so the county review does not stall the city permit. Call (971) 497-2402 and we will check your specific property’s jurisdiction during the free estimate.
In many cases, yes, a 400 to 600-square-foot studio ADU will fit a quarter-acre lot near downtown Burleson without needing a setback variance. The older, narrower lots require careful placement against side-yard setbacks and often need the foundation shifted a few feet to avoid an aging utility lateral. We handle both and design the unit around the constraints instead of forcing a stock plan onto the lot. Call (971) 497-2402 for a free site walk and a written number.
Burleson’s expansive clay soils expand when wet and shrink when dry, which causes seasonal heave and settlement that can crack a slab and pull the ADU’s tie-in away from the main house within a few years. We address this with a soil report, proper moisture conditioning before the pour, reinforced slab design or drilled piers where needed, and drainage that moves water away from the foundation perimeter. The foundation line item in your written quote reflects the soil conditions on your specific lot, not a generic slab. Call (971) 497-2402 to schedule a free estimate.
That depends entirely on the recorded deed restrictions for your subdivision. Many Burleson neighborhoods built between 2000 and 2015 carry HOA covenants that prohibit accessory structures outright or limit them to attached conversions. We pull and review the HOA documents during quoting, before you spend a dollar on design or permit fees. If the HOA blocks a detached ADU, we tell you on the first visit and discuss whether a garage conversion or attached JADU fits the allowed uses. Call (971) 497-2402 for a free assessment.
If your backyard is accessible from a standard driveway with room to stage materials, the logistics line item stays small. If the ADU site is behind a gated fence, accessed only through a narrow side yard, or blocked by a shared driveway, we hand-carry materials, schedule smaller deliveries, and may need a crane for prefab modules. That adds $5,000 to $12,000 to the build. We measure the access path during the free estimate and put the exact number in the written quote. Call (971) 497-2402 to schedule yours.
Building a Detached ADU on a Burleson Lot: What Actually Drives the Quote
Here is the part most ADU companies in DFW do not explain. Burleson is split between two counties. The Tarrant County portion, mostly north and east, ties into municipal sewer and works like any other Dallas-Fort Worth suburb. The Johnson County portion, south and west, includes large stretches of land annexed from unincorporated Johnson County over the past two decades. Those lots often remain on private septic systems and private wells.
That means a detached ADU in Burleson does not just need a City of Burleson building permit. On a septic lot, it needs a Johnson County Environmental Health permit for septic capacity expansion or replacement. The county has its own inspectors, its own timeline, and its own capacity calculations. A two-bedroom ADU that overloads an existing drain field cannot just be redesigned around the problem: the septic system itself must be expanded, and that is a six-to-ten-week approval process on top of the city’s permit review.
We learned this the practical way. On a 0.4-acre lot in the Hidden Creek addition off Renfro Street, our crew kicked off a detached 800-square-foot studio ADU, and the first day’s site walk identified an existing septic lateral running diagonally through the planned foundation corner. We shifted the slab 6 feet east, staged materials on the driveway apron and a narrow side-yard strip to keep the cul-de-sac clear, and submitted the Johnson County septic capacity review the same week as the City of Burleson building permit so the two timelines ran in parallel instead of back-to-back. That kind of sequencing is not in a generic ADU sales deck. It is in our operation because Burleson lots make it necessary.
Then there is the soil. Burleson straddles the Blackland Prairie and Cross Timbers transition zone. The clay here moves. A slab that would be fine in Fort Worth can crack on a Burleson lot within three years if the foundation was not designed for expansive soil. We order the soil report, design the slab for the actual conditions, and put that work in the written quote as a named line item, not a buried contingency.
And there is the HOA layer. Newer Burleson subdivisions, the 1990s through 2010s brick-veneer tract developments along Alsbury Boulevard and Hidden Creek Parkway, frequently carry deed restrictions written before ADUs were on anyone’s radar. Some prohibit accessory structures entirely. Some allow them only if attached. We review the HOA documents before you pay a design fee. If the HOA kills the detached option, we tell you on the first visit and talk through what does work under the covenants.
The point is not that Burleson is harder to build in. It is that Burleson is different, and the difference has a dollar figure and a timeline attached. We give you both, in writing, before you commit to anything.
Written by Nadia Ellery, Owner at Ellery ADU Studio, serving Burleson since 2015.
