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Get your free estimateADU Company in Universal City, TX
An ADU in Universal City, TX typically falls between $110,000 and $180,000 for a turnkey one-bedroom unit, though site conditions in this city swing that number more than most markets in the metro area. What makes Universal City different comes down to three things: the 1960s and 1970s ranch housing stock on tight 0.15 to 0.25 acre lots, floodplain pressure along Cibolo Creek, and the base-compatible design standards inside the Randolph AFB fence line. That combination means a Universal City ADU job is rarely a copy-paste from a plan book. We’re Benson ADU San Antonio, and we handle these constraints every week. Call (430) 258-2928 when you want a straight answer about your lot.
Why Universal City Homes Are Different

Walk through most Universal City neighborhoods and you’ll see the same bones under different facades: single-story, brick-veneer ranch homes on slab foundations, most built between 1960 and 1980. What that means for an ADU is limited backyard depth, side yards that barely fit a wheelbarrow, and setback lines that start feeling tight the moment you sketch a floor plan. A detached backyard cottage on a 0.2 acre lot has to compress into a compact footprint, which is why attached units, garage conversions, and bump-out additions are the more common path here than a freestanding casita you’d see on acreage in Bulverde.
The lot math gets harder when you bring Cibolo Creek into the picture. A surprising number of Universal City backyards sit inside FEMA-designated flood zones, and homeowners usually find that out when the permit application stalls. Flood-resistant siting, elevated foundations, and floodproofing details become the deciding factors on whether a project moves forward. Add hailstorms and humid Gulf-air summers to that equation, and the building envelope gets more attention than it would elsewhere: hardened roofing, real attic ventilation, and moisture management aren’t upgrades here, they’re the minimum for a structure that will still be dry in ten years.
And because Universal City sits inside the Randolph AFB fence line, exterior design has to be base-compatible. That’s not a suggestion from one HOA, it’s a citywide expectation that materials, rooflines, and massing read as consistent with the surrounding blocks. None of that makes an ADU impossible. It just makes local knowledge the difference between a permit that clears and one that circles for months.
Our Main Universal City Services
The two calls we get most from Universal City involve ADUs and home additions, with room additions following close behind. Here’s what each looks like on the ground here, and where to go for the full detail.
ADU Builders in Universal City
An ADU in Universal City is usually about fitting a full living unit, kitchen, bath, sleeping space, entry, into a footprint that may be under 500 square feet. We plan around slab foundations and narrow side setbacks, and when a lot sits near Cibolo Creek we bring flood-elevation requirements into the conversation early. Our role is to help Universal City homeowners decide between a compact backyard unit, an attached addition, or a garage conversion, and then price each option honestly. ADU Builders in Universal City covers the full scope.

Home Addition Contractor in Universal City
Home additions on these 1960s and 1970s ranch homes mean deciding between extending off the back, pushing out a side wall, or converting attached garage space into conditioned living area. Universal City’s slab foundations generally support a well-engineered single-story addition, though soil conditions and drainage around Cibolo Creek sometimes require piers or additional compaction. A home addition in Universal City has to match brick veneer or siding profile, roofline, and window rhythm or the finished result looks like an afterthought. Home Addition Contractor in Universal City details the build process.

Room Addition Contractor in Universal City
A single room addition, a bedroom, an office, a den, is the lightest-touch way to add square footage to a Universal City ranch home. These projects live and die on the details: tying into existing rooflines, matching the brick, and keeping the project inside the current setback envelope. Most Universal City room additions we price fall into the $30,000 to $80,000 range, with foundation and finish selections driving the spread. Room Addition Contractor in Universal City breaks the process down.

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 Universal City
We build and install ADUs and additions using Plant Prefab panelized systems, James Hardie cladding, Abodu’s prefab ADU line, and Tuff Shed structures where the project calls for a simpler footprint. Panels and kits are ordered to spec and staged for each Universal City job, which keeps lead times predictable and job sites cleaner. See what we service at our brands.
Pricing for ADU Company in Universal City, TX
| Service | Typical range in Universal City |
|---|---|
| Prefab ADU (permit, site prep, install) | $90,000 – $150,000 |
| Custom site-built ADU | $150,000 – $300,000 |
| Attached ADU addition | $110,000 – $180,000 |
| Garage conversion to ADU | $80,000 – $140,000 |
| Home addition (single story, 300 – 600 sq ft) | $60,000 – $130,000 |
| Home addition (two-story) | $130,000 – $250,000 |
| Room addition (single room) | $30,000 – $80,000 |
| Room addition with bath | $50,000 – $95,000 |
| Site prep and foundation work | $8,000 – $25,000 |
| Floodproofing and elevation upgrades near Cibolo Creek | $10,000 – $45,000 |
Prices in Universal City push upward when a lot sits in a FEMA flood zone, when the existing slab needs pier work, or when brick matching and roofline tie-ins demand custom detailing. Every estimate we issue is a written price before any work starts, so the number you approve is the number you pay.
Neighborhoods We Serve in Universal City

We work across Universal City, and our service coverage includes the older ranch-home pockets closest to Pat Booker Road as well as the neighborhoods that back up toward Cibolo Creek and the base.
- Rose Garden
- Olympia
- Universal City Heights
- Randolph Terrace
- Cibolo Creek Estates
We typically schedule Universal City estimates within a few business days, and we’ll tell you the exact arrival window before the truck leaves.
Service Area – Cities Near Universal City
Our Universal City work often starts with homeowners in the surrounding metro region comparing their lot to what we see across the map. We serve Schertz, TX just up the road, Converse, TX to the southwest, San Antonio, TX for larger-lot custom builds, and Bulverde, TX for rural and acreage ADUs. The Universal City office coordinates scheduling across the full service area.
Serving Universal City, TX - Our Local Coverage Area
We’re based in the Universal City 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 Universal City

In most cases we can have an estimate ready within a few days and construction started within six to eight weeks. Flood-zone lots and base-compatible design reviews add time. Call (430) 258-2928 to get your lot on the schedule.
Some Universal City neighborhoods have deed restrictions, but the bigger variable is the base-compatible design requirement tied to Randolph AFB. Exterior plans need to read as consistent with the surrounding area. We handle the drawings and documentation as part of the project.
Flood-zone lots add cost for foundation elevation, floodproofing, and sometimes additional engineering review. A typical Universal City flood-zone ADU adds $10,000 to $45,000 over a standard build. We’ll flag this in the written estimate, not after the fact.
If you’re weighing an ADU or addition in Universal City and want a written number before you commit to anything, call (430) 258-2928. We’ll walk the lot, give you honest options, and put the price in writing.
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 Universal City Customers Say
"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."Plumbing and electrical passed on the first inspection."
- Alan B.




