Second story addition cost in Dallas-Fort Worth depends on structural engineering, foundation capacity, roof removal/rebuild, stairs, framing, HVAC, electrical, plumbing, temporary weather protection, layout, permits, and finish level.
DFW 2026 remodeling guidance places standard second-story additions around $280 to $475 per square foot, with estate/high-end second-story additions around $450 to $650 per square foot. Other home addition guides also note second-floor additions can be among the most expensive types.
Need help finding a local quote?
If you need help with second story addition, build-up addition, upstairs expansion, or major structural remodel in Dallas-Fort Worth, contact Trealtorr and tell us what you are trying to build. Photos, measurements, and a rough budget help a lot.
If this affects permits, structure, electrical, plumbing, or HVAC, get a real scope before spending money on finishes.
Text SECOND STORY to +1 (347) 831-6085 or use the Trealtorr contact form.
Trealtorr is not the contractor. We help DFW homeowners understand the project and connect with local service options when available.
Quick price guide
| Project type | Planning range | What changes it |
|---|---|---|
| Standard second story | $280–$475 per sq ft | DFW 2026 benchmark |
| Estate/high-end second story | $450–$650 per sq ft | Premium homes and complex builds |
| Small upstairs addition | $90,000–$200,000+ possible | Stairs, structure, roof, systems |
| Large second-floor project | $250,000–$700,000+ possible | Major build-up and finishes |
| Engineering/design | $10,000–$50,000+ possible | Plans, structure, permits, surveys |
What changes the price?
- Existing foundation/structure
- Roof removal and rebuild
- Stairs and layout
- HVAC zoning
- Plumbing upstairs
- Temporary protection during construction
- City/HOA rules
DFW local note
Building up can help on smaller DFW lots where setbacks limit building out, but structure and disruption make it expensive.
When this project makes sense
- Need more bedrooms
- Small lot with no room to build out
- Add primary suite upstairs
- Major whole-home remodel
- Avoid moving from neighborhood
Red flags before hiring
- No structural engineer involved.
- They ignore foundation capacity.
- No weather protection plan.
- Stairs are not planned.
- HVAC and plumbing are vague.
What to send before requesting a quote
For addition projects, better details usually mean a better first conversation. Do not start only with “how much” if no one knows the size, structure, utilities, or permit path yet.
- Photos of exterior, attic, and roofline if safe.
- Current floor plan if available.
- Desired upstairs size and use.
- Mention city, age of home, foundation concerns, and budget range.
Questions to ask before hiring
- Can the structure support it?
- Who handles engineering?
- How is roof/weather protection handled?
- Where do stairs go?
- Is HVAC included?
- How long will the home be disrupted?
FAQ
How much does a second story addition cost in DFW?
DFW guidance places standard second-story additions around $280 to $475 per square foot, with high-end projects higher.
Is a second story cheaper than moving?
Sometimes, but it is one of the most disruptive and expensive addition types.
Can any house support a second story?
No. Structure and foundation must be evaluated.
What should I text first?
Text SECOND STORY with exterior photos and desired upstairs use.
Need help finding a local quote?
If you need help with second story addition, build-up addition, upstairs expansion, or major structural remodel in Dallas-Fort Worth, contact Trealtorr and tell us what you are trying to build. Photos, measurements, and a rough budget help a lot.
If this affects permits, structure, electrical, plumbing, or HVAC, get a real scope before spending money on finishes.
Text SECOND STORY to +1 (347) 831-6085 or use the Trealtorr contact form.
Trealtorr is not the contractor. We help DFW homeowners understand the project and connect with local service options when available.