A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Selma, TX
An ADU in Selma typically costs between $80,000 and $165,000 for a detached one-bedroom unit, and most projects take four to seven months from the first site visit to final inspection. That’s the honest range we give families before anyone picks up a tool. Selma’s newer, large-lot subdivisions and permissive HOA covenants make it one of the more ADU-friendly cities in the San Antonio metro, and we build here regularly because the work is rewarding: room for aging parents, space for a home office, and real long-term value on lots that can comfortably hold a second structure. Call (210) 981-6358 for a written estimate before you commit to anything.
Why Selma Homes Are Different
Most homes in Selma were built after 2000, and the typical lot runs 0.15 to 0.5 acres with brick or stone veneer over a slab foundation. That matters for ADU work. The side and rear yards are usually generous enough for a detached unit, but the existing slab plumbing often dictates where we route new utility lines, and we plan for that from the first site walk. We also account for the clay-heavy soils common across this part of the I-35 corridor. Clay expands when wet and contracts when dry, and if the foundation design for your ADU doesn’t allow for that movement, you’ll see cracks in both the new unit and your main home within a few seasons. We specify foundation details that handle Selma soil, not soil from some other market.
The climate shapes the build too. Summers here are hot and humid, and winter freezes are not rare. Every ADU we price in Selma includes high-efficiency HVAC sizing and insulation details that keep the unit comfortable in August and protect pipes when temperatures drop. In neighborhoods like Retama Springs, where multi-generational living is increasingly common, we’re often asked to add casitas with separate entrances and private patio space so an aging parent can live close without giving up independence. Selma sits right between San Antonio and New Braunfels, which makes it convenient for extended family on both ends of the corridor.
Our Main Selma Services
Selma homeowners most often call us about detached ADUs and garage conversions. Home additions round out the work we do across the city.
Home Addition Contractor in Selma
A home addition in Selma means expanding the footprint of a home that was likely built to an early-2000s floor plan: smaller kitchens, fewer bathrooms, no dedicated office or guest suite. We build additions that tie into existing slab plumbing and brick or stone veneer without making the addition look like an afterthought. Matching the veneer and roof lines on a 2000s-era Selma home takes patience, and we plan the utility runs around the original slab so you’re not sawcutting the entire backyard. Home Addition Contractor in Selma has the full breakdown of what an addition costs and how it’s built here.
Garage Conversion Contractor in Selma
Many Selma garages sit unused because the HOA requires covered parking and homeowners assume that blocks a conversion. It often doesn’t. HOA covenants in several Selma neighborhoods permit converting the garage into conditioned living space as long as street-facing appearance doesn’t change and parking accommodation is handled properly. We walk families through covenant review before any design work starts, because the last thing you want is a finished conversion and a compliance letter from the association. Garage Conversion Contractor in Selma covers costs, timelines, and permit expectations for homes here.
ADU Builders in Selma
Detached ADUs are the strongest fit for a lot in Selma. The side and rear yards on most 0.15-to-0.5-acre lots give us room to place a one-bedroom or two-bedroom unit without crowding the main house, and the slope is usually mild enough to keep grading and utility runs straightforward. We build site-framed ADUs and also work with prefab manufacturers like Boxabl and Plant Prefab when a factory-built shell shortens the timeline and reduces site disruption. ADU Builders in Selma walks through floor plans, lot-fit, and real local pricing.
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 Selma
We work with the ADU brands Selma homeowners research most before calling anyone: Boxabl, Plant Prefab, Tuff Shed, and James Hardie materials on nearly every custom build. Parts and finish materials for these brands are typically available within a week for our Selma jobs. See our brands page for details on which manufacturers fit different lot types and budgets.
Pricing for ADU Company in Selma, TX
| Service | Typical range in Selma |
|---|---|
| Detached one-bedroom ADU (site-framed) | $80,000 – $165,000 |
| Detached one-bedroom ADU (prefab, e.g. Boxabl or Plant Prefab) | $85,000 – $140,000 |
| Detached two-bedroom ADU | $120,000 – $220,000 |
| Garage conversion to studio apartment | $60,000 – $90,000 |
| Garage conversion to one-bedroom unit | $70,000 – $110,000 |
| Garage conversion to two-bedroom unit | $90,000 – $140,000 |
| Primary suite addition (attached) | $90,000 – $180,000 |
| Single-room home addition | $45,000 – $90,000 |
| Second-story addition (per square foot) | $250 – $450 |
What pushes a Selma ADU toward the top of these ranges is usually foundation work on clay-heavy soil, a longer utility run from the existing slab, or HOA design-review requirements that call for upgraded veneer or roof materials to match the main house. What doesn’t change is the price you’re given upfront. Every Seedling job in Selma starts with a written price before any work begins, and no line item gets added after crews arrive.
Neighborhoods We Serve in Selma
We work throughout Selma, and our crew routing typically reaches any home in the city within a day or two of an initial phone call. The neighborhoods below are where we see the most ADU and conversion activity right now.
- Retama Springs
- Cibolo Crossing
- Valle Verde
- Olympia
- The Ranch at Selma
Service Area – Cities Near Selma
We coordinate Selma scheduling from our San Antonio office and serve the surrounding corridor. If you’re a little outside Selma proper, we also work in San Antonio, TX, New Braunfels, TX, Boerne, TX, and Helotes, TX. Lot conditions and permit policies differ from one city to the next, so the written estimate we prepare for Selma reflects Selma, not a neighboring municipality.
Serving Selma, TX - Our Local Coverage Area
We’re based in the Selma 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 Selma
Most Selma projects begin with a site visit within one to two weeks of your first call, and we can usually schedule the start of construction within four to six weeks after plans are finalized and permits are approved. Permit review times in Selma vary by project type, but we handle the submittal and tracking so you’re not chasing the city yourself. Call (210) 981-6358 to get on the schedule.
Several Selma neighborhoods, including Retama Springs, have HOA covenants that allow detached ADUs when the unit matches the main home’s architectural style and the placement doesn’t violate setback rules. We review your specific covenant documents during the estimate process and flag any restriction before you spend money on design. If the HOA needs documentation, we provide it as part of the written proposal.
Yes. Every Seedling crew follows the Cedarwell Care Promise on Selma jobs: shoe covers and drop cloths inside any area we walk through, pet-safe products where there’s a choice, and a photo of the clean-up before the crew leaves each day. That’s written into our contract, not an occasional courtesy. Call (210) 981-6358 for a free quote and you’ll see it in writing too.
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 Selma Customers Say
"Junior ADU conversion inside the house. They were incredibly clean about it, plastic walls, floor protection, daily cleanup, all with a toddler in the home. Couldn't have asked for more care."
- Marcus Oyelaran"They converted our garage and were so mindful that we were living right there through it. Quiet hours respected, site swept, nothing left out where the kids play. Lovely work."
- Eugene Park"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
