A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Bulverde, TX
Adding an ADU in Bulverde usually costs between $180,000 and $320,000 for a turnkey one-bedroom unit, depending on site work, septic capacity, and whether you choose a prefab system or site-built construction. Bulverde’s one-to-five-acre lots and lack of municipal sewer mean your project lives or dies on a percolation test before a single wall goes up. We’re Benson ADU San Antonio, and we build ADUs, home additions, and room additions across Bulverde. Call (430) 258-2928 for a written price before any work starts.
Why Bulverde Homes Are Different
Bulverde grew fast, but not like its neighbors. Where San Antonio and New Braunfels expanded on city sewer grids, Bulverde’s development pattern ran toward large-lot subdivisions and custom homes on septic-ready acreage. That single fact shapes nearly every ADU conversation we have here. A one-acre lot along Bulverde Lane or in a subdivision like Hidden Trails usually has room for an ADU, but the septic system was sized for one house, not two. Comal County’s percolation test requirement becomes the real gatekeeper: if the soil can’t absorb additional effluent, you may need a larger drain field, an aerobic system, or a tank upgrade before the ADU gets final approval.
Housing stock tells the same story. Most homes were built since the 1990s, with limestone exteriors, metal roofs, and private wells. Older ranch properties and a few mobile homes still dot the landscape. None of this makes an ADU impossible; it just means the first step is understanding your lot’s existing systems, not picking out countertops. We’ve walked enough Bulverde properties to know that the driveway easement can be as important as the floor plan: many homes sit behind long private roads where Comal County’s road frontage rules affect how materials get delivered and where the ADU can legally sit on the property.
Our Main Bulverde Services
Bulverde homeowners call us most often about two things: adding a full ADU for family or rental income, and expanding the footprint of a home that’s starting to feel tight. Here’s what each involves locally.
ADU Builders in Bulverde
A detached ADU in Bulverde starts with septic evaluation, then moves into design, foundation, and construction. We build with prefab systems like Boxabl and Plant Prefab, which cuts on-site time and gives you a fixed product price upfront. On larger lots, we also handle site-built units with James Hardie cladding that matches a limestone main house. The Bulverde-specific challenge is almost always drainage and septic capacity, not square footage. For a full breakdown of what an ADU costs and how the process works here, see ADU Builders in Bulverde.
Home Addition Contractor in Bulverde
A home addition in Bulverde usually means adding a primary suite, a second living area, or a larger kitchen to a custom home built on acreage. These projects tie into the existing roofline, foundation, and HVAC, so we plan them as integrated builds, not bolt-ons. Bulverde’s hot, humid summers push us toward high-efficiency cooling and proper vapor barriers, especially when the addition extends over a pier-and-beam foundation. For local pricing and the full scope of what we handle, read Home Addition Contractor in Bulverde.
Room Addition Contractor in Bulverde
A room addition is the most targeted way to gain space: a dedicated office, a guest bedroom, a sunroom. In Bulverde, these jobs often run into the same septic-count question as larger additions, since adding a bedroom can increase the system’s required capacity under Comal County rules. We handle the permit paperwork as part of the job and give you a written price before demolition starts. For a room-by-room pricing breakdown and what to expect, see Room Addition Contractor in Bulverde.
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 Bulverde
We build with and service the leading prefab ADU brands, including Boxabl, Plant Prefab, Tuff Shed, and James Hardie materials. Parts and panels are ordered to the project schedule, so you’re never waiting on a backorder that pushes your move-in date. For the full brand lineup, see our brands.
Pricing for ADU Company in Bulverde, TX
| Service | Typical range in Bulverde |
|---|---|
| Detached one-bedroom ADU (prefab) | $180,000 – $240,000 |
| Detached one-bedroom ADU (site-built) | $220,000 – $320,000 |
| Two-bedroom ADU | $260,000 – $380,000 |
| Garage conversion to ADU | $110,000 – $190,000 |
| Primary suite addition | $95,000 – $180,000 |
| Kitchen addition | $85,000 – $160,000 |
| Single room addition | $55,000 – $110,000 |
| Septic system upgrade (if required) | $15,000 – $40,000 |
Septic upgrades, long driveway easements, and rock excavation are the three biggest price movers in Bulverde. We put the full number in writing before work starts, so the price you sign is the price you pay.
Neighborhoods We Serve in Bulverde
We cover the full Bulverde area, from the large-lot subdivisions along Bulverde Lane to the ranch properties further out in the county. Typical response time for an estimate visit is within a few business days, depending on site access.
- Hidden Trails
- Oak Village North
- Belle Oaks
- Comal Trace
- Johnson Ranch
Service Area – Cities Near Bulverde
In addition to Bulverde, Benson ADU San Antonio serves the surrounding communities. You can find our city-specific pages for Schertz, TX, Universal City, TX, Converse, TX, and San Antonio, TX. Dispatch and scheduling are coordinated from our Dallas-Fort Worth office; crews are local to the Bulverde area.
Serving Bulverde, TX - Our Local Coverage Area
We’re based in the Bulverde 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 Bulverde
Yes. We handle all Comal County permits and inspections as part of every ADU, home addition, and room addition project in Bulverde. Septic and percolation tests are coordinated through our office, and we walk you through any road frontage or easement requirements before construction starts.
Most Bulverde lots are on private septic systems sized for one home. Adding an ADU with a bedroom increases the system’s required capacity, which may mean a percolation test and possibly a system upgrade. We evaluate this in the first site visit, before you commit to a design. Call (430) 258-2928 to schedule a free estimate.
A prefab ADU typically takes 6 to 10 months from first site visit to move-in; a site-built unit runs 10 to 16 months. Bulverde’s septic testing and Comal County review can add time that city sewer projects don’t face. We give you a written timeline before work starts and keep it updated throughout the build.
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 Bulverde Customers Say
"Solid job. Cabinets arrived late but they adjusted the schedule."
- Eli K."Plumbing and electrical passed on the first inspection."
- Alan B."Room addition off the kitchen. Framing, drywall, and paint all done well."
- Wade L.
