Small addition contractor Austin
Small additions built to an engineered stamped plan, priced per square foot of new structure.
A small addition contractor Austin homeowners can actually get on a schedule with starts the same way every time: a stamped engineered plan before a single stud goes up, not a framing crew improvising off a sketch. No wall comes down and no wall goes up without that plan in hand.
What's sold and what it runs on
This covers small residential additions and structural framing changes: a bumped-out bedroom, an enclosed porch, a new load-bearing opening between rooms. As a residential framing contractor Austin homeowners call on for exactly this kind of work, we price it per square foot of new or altered structure, and the number can't move without a plan behind it, because the plan is what tells us how much steel, lumber and labor the job actually needs.
- Price basis
- Per sq ft of new or altered structure
- Plan required
- Stamped engineered plan before framing
- Permit
- Pulled before any wall is opened
- Typical lead time
- 4 to 10 weeks including plan and permit
What's in scope, what isn't
We say the refusals out loud before you sign anything, not after the deposit clears.
We take this on
- Small square-footage additions: bump-outs, enclosed porches, mudrooms, and similar footprint growth
- Interior wall removal and new openings, once an engineer has confirmed what's load-bearing
- New stud walls, headers, and floor or ceiling joist work tied to the plan
- Permit pulling and inspection scheduling with the city
- Roof tie-ins on additions, framed to match the existing roof line
- Coordination of the trades named on the estimate for electrical and plumbing rough-in
We don't take this on
- If a wall comes down and it turns out to be load-bearing, work stops until there's an engineered plan, not a guess. No exceptions, regardless of schedule pressure
- We don't touch gas lines or main electrical panels. We bring in the trade licensed for it and put their name on the estimate
- Foundation work beyond a standard footing pour for the addition itself. Full foundation repair goes to a licensed foundation contractor
- Additions large enough to need a full architectural set rather than a structural engineer's stamped plan, which we'll flag early rather than take on past our scope
The engineered plan, and why it isn't optional
This is the one step in the whole catalogue that never gets skipped for schedule.
Plan first, permit second, lumber third
A structural engineer walks the space, reviews what's load-bearing, and produces a stamped plan showing header sizes, footing depth, and how the new structure ties into the existing frame. That plan is what the City of Austin permitting office actually reviews, and it's what protects you if a wall ever gets questioned by an inspector, an insurer, or a future buyer's inspector.
The permit follows the plan, not the other way around. Depending on scope, that's a residential building permit and sometimes a separate structural permit, both pulled before any wall is opened. Framing starts only after the permit is in hand and the first inspection milestone is scheduled, because framing without a permit is framing that can get red-tagged and torn back out.
Past roughly 200 to 300 square feet of new footprint, most Austin jurisdictions also require setback and lot-coverage review, which the engineer and permit process account for. Under that threshold the process is still the same order, just a shorter timeline.
Engineered plan and permit checklist
What triggers what, and roughly how long each step adds to the schedule.
| Scope | Plan requirement | Permit | Added lead time |
|---|---|---|---|
| Interior wall removal, non-load-bearing | Visual confirmation, no stamp needed | Usually not required | No added time |
| Interior wall removal, load-bearing | Stamped engineered plan required | Structural permit required | 2 to 4 weeks for plan and review |
| Small addition, under 200 sq ft | Stamped engineered plan required | Residential building permit required | 4 to 6 weeks total |
| Addition over 200 to 300 sq ft | Stamped plan plus setback and lot-coverage review | Full building permit, longer review | 6 to 10 weeks total |
Figures above describe process and typical timing, not a quote. Actual review time depends on the City of Austin's current permit queue and your specific lot. The written scope after your walk-through carries the real schedule and price basis.
The sequence, start to sign-off
Same order every time, whether it's one opened wall or a full addition.
Walk-through and load assessment
We look at the space and flag anything that's clearly load-bearing before an engineer is ever called.
Engineered plan
A structural engineer produces the stamped plan: header sizes, footing depth, tie-in details.
Permit pulled
The plan goes to the City of Austin for permit review before any wall is opened.
Written scope and materials ordered
Lumber, hardware and any subcontracted electrical or plumbing rough-in get scoped and scheduled.
Framing
New walls, headers and structure go up to the stamped plan, inspected at each required milestone.
Sign-off
Final inspection passes, the permit closes, and we walk the finished framing together.
Straight answers before you call
The questions we actually get about additions and framing.
How do I know if a wall is load-bearing?
You don't need to guess. We check on the walk-through, and anything ambiguous gets a structural engineer's confirmation before demolition, not after.
Can you skip the permit to save time?
No. Unpermitted structural work can be red-tagged mid-build, can complicate a future home sale, and can void the workmanship guarantee on that section of the job. The permit is part of the scope, not an optional add-on.
Do you handle the electrical panel upgrade an addition might need?
No. Panel work and gas lines go to the licensed electrician or plumber named on the estimate. We coordinate the schedule so their work lines up with our framing, but we don't touch that work ourselves.
How small is too small for this to be worth it?
If it's a single non-load-bearing wall coming down with no addition, that can often be scoped without the full engineered-plan process. We'll tell you honestly if your project doesn't need the heavier process rather than sell you more plan than the job requires.
Six people, eleven years, one shop bay
Ronevexa has been running out of Austin for eleven years. The same six-person crew frames every addition in this catalogue, and the same refusal applies on every one: no wall comes down without a plan when the load says it should have one.
Get your addition scoped and priced.
Tell us the footprint and what you're trying to add. We'll walk the space, flag what needs an engineer, and write the scope.