A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Leon Valley, TX
Building an ADU in Leon Valley means working with lots platted in the 1950s and 60s, where rear yards are tight, boundaries were drawn before modern surveying, and setback rules don’t leave much wiggle room. Most of the homes here are ranch and minimal traditional builds on modest lots, and almost none of them have existing ADU stock worth converting. That means the large majority of accessory dwelling units in Leon Valley are ground-up builds, and that changes how the job gets priced, sited, and permitted. Call (430) 258-2928 for a written estimate before anything goes on paper.
Why Leon Valley Homes Are Different
Leon Valley’s housing stock is dominated by 1950s-1970s ranch and minimal traditional homes, most still sitting on their original slab foundations. That matters more than people expect. A slab means utilities for a detached ADU typically run under the rear yard rather than through a crawl space, and older slabs often don’t have spare capacity in the main panel for a second dwelling’s electrical load. Add to that the fact that many homes here have rear-loading garages and very limited alley access, and you start to see why site planning drives the budget on Leon Valley ADU work.
The climate is the other piece that doesn’t get enough attention before the first quote. Leon Valley summers are hot and humid, and the occasional winter freeze means any detached ADU needs serious insulation, a properly sized cooling system, and freeze protection on all water lines. Older main homes frequently lack spare HVAC capacity, so we design around that rather than discovering it mid-project. If the lot has an irregular rear boundary or a fence that’s been encroaching for decades, that’s normal here, not an exception. We flag it early, because early is when it’s cheap to fix.
Our Main Leon Valley Services
Leon Valley homeowners call us most often for detached ADUs and for home additions that expand the original footprint. Here’s how each one works locally.
ADU Builders in Leon Valley
A detached ADU in Leon Valley usually goes into a rear yard that’s tighter than the county average, which means the siting discussion happens before the floor plan discussion. We work with prefab brands including Abodu and Tuff Shed to give you curated options that fit the actual buildable area on your lot, then handle the permitting, slab, utilities, and finish work. If your lot has pre-annexation geometry or an irregular rear boundary, we’ll walk you through what a variance request actually involves. Talk with our ADU Builders in Leon Valley team for the full rundown.
Home Addition Contractor in Leon Valley
Home additions in Leon Valley tend to attach to ranch homes that were built on slabs, which shapes how we tie the new foundation into the existing one. Older homes here sometimes have electrical panels that can’t absorb another room’s load, so we price panel upgrades into the plan up front rather than surprising you with them later. Permitting for additions follows the same setback rules as ADUs, and if your lot was platted before modern surveys, expect the city to want a current survey before the permit gets approved. Our Home Addition Contractor in Leon Valley page covers the specifics.
Room Addition Contractor in Leon Valley
A single room addition, like a bedroom or home office, often gets treated as a smaller version of the same foundation and tie-in work. On Leon Valley slab homes, that can sometimes be the simple case, but more often the existing floor elevation doesn’t match the planned addition, and we have to step the slab. We also see plenty of room additions that need a mini-split rather than tying into the original HVAC system, which keeps the older system from being pushed past its limits. Get the details from our Room Addition Contractor in Leon Valley team.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Leon Valley
We build with and source from brands homeowners can research independently: Abodu, Cover, Tuff Shed, and James Hardie cladding. Each one offers a different balance of price, finish level, and build speed. Parts and panels are ordered once your written price is approved, with lead times confirmed before you sign. See our brands page for a detailed comparison.
Pricing for ADU Company in Leon Valley, TX
| Service | Typical range in Leon Valley |
|---|---|
| Detached ADU (1 bed, 1 bath) | $110,000 – $175,000 |
| Detached ADU (2 bed, 1 bath) | $145,000 – $235,000 |
| Detached ADU (2 bed, 2 bath) | $175,000 – $285,000 |
| Detached ADU with garage below (3-car) | $265,000 – $410,000 |
| JADU conversion (attached) | $55,000 – $105,000 |
| Home addition (400 sq ft) | $75,000 – $130,000 |
| Home addition (800 sq ft) | $110,000 – $210,000 |
| Home addition (1,200 sq ft) | $150,000 – $285,000 |
| Room addition (300 sq ft) | $32,500 – $72,500 |
| Room addition (800 sq ft) | $90,000 – $175,000 |
| Second-story addition | $190,000 – $450,000 |
| Site prep and foundation work for ADU | $14,000 – $38,000 |
Prices in Leon Valley run higher on lots with irregular boundaries, fence encroachments, or slab conditions that need extra prep. You get a written price before any work starts, and that number doesn’t change at the door.
Neighborhoods We Serve in Leon Valley
We work across Leon Valley’s residential streets, where most homes sit on modest mid-century lots with similar challenges: slab foundations, tight rear yards, and rear-loading garages that leave little room for a second structure. Our crews typically reach most Leon Valley neighborhoods the same week for an estimate visit.
- Huebner Road corridor
- Evers Road area
- Bandera Road corridor
- Driggers Drive area
- Senisa Drive area
Service Area – Cities Near Leon Valley
In addition to Leon Valley, our crews serve nearby cities where the housing stock and permitting rules differ enough that you’ll want a contractor who knows each jurisdiction. See our pages for San Antonio, TX, Schertz, TX, Live Oak, TX, and Alamo Heights, TX.
Serving Leon Valley, TX - Our Local Coverage Area
We’re based in the Leon Valley 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 ADU Company in Leon Valley
Most Leon Valley homeowners get an estimate visit within the same week they call. Use (430) 258-2928 to reach a live person any time, and you’ll get a written price before any work starts.
Some do. Lots platted before modern surveying standards often need a current survey before the city will approve an ADU or addition permit, and that can add a week or two. We factor that into the schedule up front so it doesn’t surprise you later.
Older Leon Valley homes frequently lack spare HVAC capacity, so most detached ADUs get their own mini-split system rather than tying into the main house. That’s usually the better answer anyway: it costs less to run and keeps the original system from being overworked.
What happens when you call
- 1A real person answersNo phone trees - talk to a local adu pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Leon Valley Customers Say
"Room addition off the kitchen. Framing, drywall, and paint all done well."
- Wade L."Photos of each milestone, which I loved. Slab, framing, roof dry-in, each one came with a few pictures by text."
- Gwen D."Solid job. Cabinets arrived late but they adjusted the schedule."
- Eli K.
