Why San Antonio Homeowners Choose Seedling ADU San Antonio for ADU
Most families researching an ADU in San Antonio have the same three questions: what will this cost, how long will it take, and who’s actually going to be in my backyard for the next several months. We answer all three in writing before you commit to anything. Ben Ortega leads our San Antonio team, and every project he takes on runs on a written line-item price, a clear timeline, and the Cedarwell Care Promise that protects your floors, your pets, your kids, and your quiet hours while we build. That’s why homeowners from Terrell Hills to Helotes keep calling us back for their second and third projects.
6 Reasons We’re San Antonio’s Top ADU Company

A Quarter Century of ADU Construction Behind Every Project
Seedling ADU Builders has been in the ADU business since 2001, which means the systems we use in San Antonio were refined across hundreds of builds before we ever broke ground here. That experience shows up in the details: we know where Texas heat warps cheap materials, how San Antonio’s clay soil shifts foundations over time, and which permits Bexar County actually enforces. Ben Ortega’s local team brings that institutional knowledge to every site visit, so you’re not paying us to learn on your lot.
A Strong Local Reputation Built on Finished Projects, Not Promises
You don’t build a good name in San Antonio by cutting corners, because word travels fast from Alamo Heights to Stone Oak. Our local reputation rests on ADUs that pass inspection the first time, crews that show up when they say they will, and cleanup that leaves your yard looking better than we found it. Families who’ve hired us recommend us to their neighbors, and that referral pattern is the review we care about most.
Licensed, Insured, and Held to a National Standard
Every professional working under the Seedling ADU name is required to hold the license and insurance their state requires, and our San Antonio branch operates under the same mandate. The Cedarwell Care Promise governs every project we touch: shoe covers and drop cloths inside the house, quiet tools when the kids are asleep, pet-safe products where there is a choice, a photo of the clean-up before we leave, and a written price before any work starts. That standard doesn’t vary by zip code.
Deep Familiarity with the Brands Homeowners Ask About
When you research ADUs, you’ll run into names like Abodu, Cover, and Dvele, along with prefab options from Boxabl and Plant Prefab and finishes from James Hardie. We work with many of those systems regularly and can tell you honestly which ones hold up in South Texas humidity and which ones don’t. Our team will walk you through the tradeoffs between factory-built and stick-built on your specific lot, in your specific school district, under your specific HOA rules.
Transparent Pricing with No Change Orders You Didn’t Approve
Every project gets a written, line-item price before any work begins, and that price is what you pay unless you ask us to change the scope. We don’t bury allowances, we don’t lowball the estimate to win the job, and we don’t surprise you mid-build with “unforeseen conditions” that somehow cost thousands. If we find something unexpected under the slab or behind the wall, we stop and explain it to you in plain English, with a number attached, before we spend a dollar of your money.
The Cedarwell Care Promise: A Written Warranty That Means Something
Every Seedling ADU project carries the Cedarwell Care Promise, a written guarantee that covers how we treat your home while we work and how we stand behind the finished ADU. You get the details in writing before you sign, not after. If something isn’t right, Ben Ortega’s team comes back and makes it right, because in San Antonio your reputation is only as good as your last completed job.
Our Promise to You
We promise a written price before any work starts, and we stand behind that number unless you change the scope. We promise to protect the parts of your home we’re not working on: floors covered, gates kept latched so pets stay put, walkways swept at the end of every day. We promise to keep our tools quiet during your family’s quiet hours, to explain every line on every invoice, and to send you a photo of the cleanup before we consider the job done. If you’re not satisfied with how your project was handled, we want to hear about it directly from you. Call (210) 981-6358 and ask for Ben. Our San Antonio office is open Monday through Friday from 7:00 AM to 7:00 PM and Sunday from 7:00 AM to 7:00 PM, and we’ll work with your schedule from there.
Frequently Asked Questions

Because we’re a local team backed by a brand that’s been building ADUs since 2001, and we put every price in writing before work starts. You get Ben Ortega’s local knowledge of Bexar County permitting, San Antonio soil conditions, and neighborhood HOA quirks, combined with the Cedarwell Care Promise that standardizes how your home gets treated during construction. The best way to compare us is to get a written estimate from us and one or two other builders, then lay the three quotes side by side and see who actually itemized the work. Call (210) 981-6358 for your free estimate.
Call us and tell us what’s wrong. Ben Ortega or a member of his San Antonio team will come out, look at it with you, and figure out what it takes to make it right under the Cedarwell Care Promise. We don’t hide behind voicemail boxes or third-party call centers; you’ll talk to a live coordinator who connects you with the local team. Our commitment is that every issue gets addressed in person and in writing.
No. Estimates are free. We come to your property in San Antonio, New Braunfels, Boerne, Helotes, Cibolo, or anywhere else in our service area, walk your lot with you, talk through what you want the ADU to be, and give you a written line-item price. No obligation, no high-pressure follow-up. If the numbers work for you, we’ll talk next steps. If they don’t, you keep the estimate and use it to compare. Call (210) 981-6358 to schedule yours.
Every professional working under the Seedling ADU name is required to hold the license and insurance their state requires, and our San Antonio branch follows that requirement for Texas. We’re also insured and bonded, and we will gladly show you our documentation before you sign a contract. When it comes to ADUs, you want a builder who treats licensing as a baseline, not a selling point.
We work all over San Antonio and the surrounding communities, including Fair Oaks Ranch, Terrell Hills, Universal City, Timberwood Park, Scenic Oaks, and Floresville. Our office hours are Monday through Friday, 7:00 AM to 7:00 PM, and Sunday, 7:00 AM to 7:00 PM. Call (210) 981-6358 during those hours and we’ll get you on the schedule for a free site visit. You’ll talk to a live coordinator who can connect you with Ben Ortega’s team for an estimate.
Written by Ben Ortega, Owner at Seedling ADU San Antonio, serving San Antonio and surrounding Texas communities since the branch opened.

