A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Helotes, TX
An ADU in Helotes usually means a second home on a Hill Country lot, built for aging parents, an adult child, or quiet rental income. What makes these projects different here is the land itself: one-acre parcels, private wells, and septic fields that were sized for one house, not two. We plan around those realities from the first site visit, so the price you’re quoted is the price that holds. Call us at (210) 981-6358 to talk through your lot.
Why Helotes Homes Are Different
Helotes housing stock runs toward custom homes on one-acre and larger lots, many built between the 1980s and early 2000s with limestone exteriors and metal roofs. That construction style is durable, but it also means site work for an ADU often involves cutting through limestone shelf rock, which affects trenching costs and foundation preparation. Newer gated subdivisions off Bandera Road and Scenic Loop Road tend to have tighter HOA rules about detached structures, including rooflines and exterior finishes that must match the primary house.
The bigger variable, though, is water and waste. A meaningful share of Helotes properties run on private wells with limited output, and septic systems sized for a single household. Adding a second dwelling frequently triggers a septic capacity review through Bexar County, and may require a larger tank, a new leach field, or drilling a new well. That’s not a reason to skip the project. It’s a reason to price it honestly up front, which is exactly how we work.
Our Main Helotes Services
Three kinds of projects account for most of the calls we get from Helotes homeowners: attached additions that expand the main house, garage conversions that turn unused square footage into living space, and detached ADUs built from the ground up. Each one has its own page here with local pricing and details.
Home Addition Contractor in Helotes
A home addition on a Helotes lot usually means extending off the back or side of a limestone home, matching rooflines and exterior materials so the new section reads as original. The 1980s and 1990s era construction we see means we’re often working around existing framing and foundation types that predate current codes, so the plans have to account for that from day one. Drainage matters here too: flash flooding in low spots off Scenic Loop means we grade additions to move water away from both the new slab and the existing foundation. Crews arrive in uniform, lay down shoe covers and drop cloths at the door, and you get a photo of the cleanup before we leave each day. See the full breakdown on our Home Addition Contractor in Helotes page.
Garage Conversion Contractor in Helotes
Garage conversions in Helotes are popular for extended family because the structure already exists, which keeps site work and foundation costs lower than a detached build. The catch is that many Helotes garages were built without insulation or proper slab vapor barriers, so we typically add both, along with upgraded electrical service for a small kitchen or bathroom. Some HOAs in newer gated neighborhoods require the garage conversion to retain a certain amount of storage or add a carport, and we handle that paperwork as part of the written quote. Pricing and timelines are on the Garage Conversion Contractor in Helotes page.
ADU Builders in Helotes
A detached ADU on a Helotes acre is often the most flexible long-term play: a full new home on the lot, with its own entrance, its own kitchen, and its own relationship to the Hill Country views. The questions that shape the job are septic capacity, well output, and where to place the structure so the existing house keeps its sightlines. We work with several prefab brands that shorten on-site construction time, and we’ve built enough of these to know which lots suit a panelized build and which need full site construction. The full rundown, including a price table, is on our ADU Builders in Helotes page.
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 Helotes
We install and finish ADUs from Tuff Shed, Abodu, and Cover, and we use James Hardie siding and trim on many Helotes projects because it holds up to the Hill Country sun and hail season. Our crews work with these systems regularly, which keeps lead times predictable. More detail is on our brands page.
Pricing for ADU Company in Helotes, TX
| Service | Typical range in Helotes |
|---|---|
| Detached ADU (prefab, 1 bed / 1 bath) | $110,000 – $165,000 |
| Detached ADU (site-built, 1 bed / 1 bath) | $170,000 – $230,000 |
| Detached ADU (site-built, 2 bed / 2 bath) | $215,000 – $290,000 |
| Garage conversion to studio ADU | $65,000 – $95,000 |
| Garage conversion to 1 bed / 1 bath | $85,000 – $130,000 |
| Home addition (primary suite, 400 sq ft) | $95,000 – $145,000 |
| Home addition (two bedrooms, 600 sq ft) | $135,000 – $195,000 |
| New well (if required) | $12,000 – $28,000 |
| Septic system upgrade (if required) | $8,000 – $22,000 |
The two things that move a Helotes quote the most are well and septic work, and limestone excavation. Both get identified during the site visit, not after you’ve signed. Every project receives a written price before any work begins, and that price doesn’t change unless you change the scope.
Neighborhoods We Serve in Helotes
We work across the Helotes area, from the older custom-home stretches along Bandera Road and Scenic Loop Road to the newer gated communities off of them. Most projects are within a 25 to 35 minute drive of our scheduling office in San Antonio, which keeps site visits and material deliveries efficient.
- Los Reyes Canyons
- Iron Horse Canyon
- Sonoma Ranch
- Hill Country Retreat
- Scenic Loop Road corridor
Service Area – Cities Near Helotes
Beyond Helotes, our crews cover the broader metro and Hill Country edge, including San Antonio, TX, Boerne, TX, Universal City, TX, and Cibolo, TX. If you’re on the Helotes side of the county, call us and we’ll confirm which crew covers your street.
Serving Helotes, TX - Our Local Coverage Area
We’re based in the Helotes 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 Helotes
Most Helotes projects are scheduled within three to five weeks of the signed quote, once the site visit and any septic or well assessments are complete. Bexar County permitting for ADUs and additions typically takes another few weeks. Call (210) 981-6358 and we’ll give you a realistic start window for your lot.
Many newer Helotes subdivisions have HOA rules that govern detached structures, including size limits, exterior materials, and whether the ADU can be rented. We review your HOA’s covenants during the quoting process so you’re not surprised later. If your neighborhood has restrictions, we’ll walk you through what’s approvable.
It depends on the property. Older wells with limited output often need a storage tank or a new well, and septic systems sized for one house frequently require expansion for a second dwelling. We flag both during the initial site visit and include the cost in your written quote. Call (210) 981-6358 to schedule a free estimate, and we’ll walk the property with you.
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 Helotes Customers Say
"Garage conversion into a studio. They sealed off the work area so dust didn't get into the house, and cleaned up every day before leaving. Calm, careful team to have around."
- Darnell Hobbs"Garage to studio conversion with us living right there. They sealed off the dust, cleaned up daily, and respected our quiet hours. No surprise costs. Beautiful."
- Terrence Boylan"Added a backyard cottage. The team protected our existing landscaping and left the yard clean every evening. Gentle, respectful, and they walked us through each stage calmly."
- Tamara Welsh
