St. Cloud · Osceola County
Home Additions in St. Cloud, FL
Designed in 3D, permitted with the right Osceola County or city office, and built by a licensed Florida general contractor that also holds its own plumbing license.
Home addition projects in St. Cloud
St. Cloud homes have a long history of additions, and not all of them were built well. On the downtown grid near New York Avenue, it is common to find a bedroom or bath added decades ago, a porch enclosed into a room or a carport turned into a kitchen. Owners in Stevens Plantation, Canoe Creek and Harmony are more likely to want a new primary suite, a bedroom for a parent or a garage conversion as the family grows. Both kinds of project need the new space to tie into the existing house cleanly, structurally and visually.
What changes for a home addition in St. Cloud
When an older downtown home already has a past addition, we check how it was built and whether it was permitted before new work connects to it. The City of St. Cloud Building Department lists residential additions among projects that require a permit, and Harmony and parts of the Narcoossee Road corridor go to the Osceola County Building Office instead, after Harmony's own design review. A raised-floor house needs a foundation that brings the new floor level with the old one, not just a slab. Lakefront lots on East Lake Toho add wind exposure, which shapes the roof tie-in.
Local details we plan around
- Older downtown and lakefront homes may sit on raised floors or have years of patched plumbing, which changes how we run new drain and supply lines.
- Lakefront homes on East Lake Toho face more wind and moisture exposure, so window and door products and exterior sealing matter more.
- Harmony and parts of the Narcoossee corridor are unincorporated Osceola County, not the city, so the permit goes to a different office.
- Master-planned communities usually require architectural approval for exterior work, which adds a step before permitting.
For the full picture of materials, design choices and how the work is sequenced, see our home additions guide for Central Florida, or read more about remodeling in St. Cloud.
Scope
What the work includes
Feasibility and zoning check
Before design, we review your lot survey, setbacks, lot coverage limits and HOA rules to confirm how much you can build and where it can go.
Design and 3D rendering
We design the addition to match the roofline, windows and finishes of the existing house, and show it in 3D so you can see the result before engineering.
Engineering and permit drawings
Licensed design professionals prepare structural plans and energy calculations. We submit the permit package and respond to any reviewer comments.
Foundation and slab
New footings and slab, tied into the existing foundation with doweled reinforcing, with termite pretreatment and a vapor barrier under the new concrete.
Framing or block walls and roof tie-in
Concrete block or wood framing to match the engineered plans, new trusses or rafters, and a roof tie-in that sheds water and matches the existing roofing.
Plumbing, electrical and HVAC
New bathrooms and kitchenettes plumbed under our own license, new circuits and panel review, and air conditioning sized for the added square footage.
Our process
How a home addition in St. Cloud runs
The same five steps on every kitchen, bath and renovation. Online requests get a call back within 24 to 48 hours.
- 01
We visit you at home
We measure the space, note where plumbing, gas and electrical run today, and ask how you use the room. The design starts at this visit.
- 02
3D design rendering
Your measurements become a 3D model, so you see the layout, cabinet heights and finishes before anything is ordered or torn out.
- 03
Material selection
You choose cabinets, counters, tile and fixtures with our designer in the Kingspointe Pkwy showroom, against the final design.
- 04
Ordering and permits
We order material, check every item against your selections, and pull the permits the scope needs.
- 05
We build, then walk it with you
Our crew and licensed trades do the work and pass inspections. We finish with a walk-through, room by room.
Google reviews
Reviews from our customers
-
★★★★★
"We recently completed a full kitchen renovation in winter park and couldn’t be happier with the results. Prime construction were professional, detail-oriented, and kept everything on schedule from start to finish. The quality of the work is outstanding, and they really brought our vision to life. Highly recommend to anyone looking to upgrade their kitchen!"
Dvir C.Posted on Google · April 2026 Read -
★★★★★
"It is a pleasure to recommend Prime Construction / Kitchens for any of your home remodeling needs. Prime Construction helped me diagnose a problem with a wall in my garage related to a window leak. Prime Construction shared with me how I could address the issue myself and saved me the cost of a dispatch by their team. They were only concerned with helping me resolve my issue. I give my full recommendation to Prime Construction. Thank you"
Johnny C.Posted on Google · August 2025 Read -
★★★★★
"We absolutely love our new dream bathroom! Asaf listened to everything we wanted and went beyond we what could imagine! They work quickly, efficiently and are very clean! The prices are great and we’ll definitely use Prime again for future renovations! WE HIGHLY RECOMMEND PRIME!"
Geo W.Posted on Google · March 2026 Read
FAQ
Home Additions in St. Cloud: questions
Do not see your question? Call us or send the estimate form and we will answer it on the phone.
Do I need HOA approval for an addition in Harmony or Stevens Plantation?
Plan on it. Harmony has its own community design standards, and Stevens Plantation and most newer St. Cloud subdivisions review exterior changes, so the association usually approves the addition's size, roofline, materials and colors before the building permit is filed. We prepare the drawings and renderings for that submittal, then apply with the City of St. Cloud or Osceola County based on the parcel record.
Is Harmony in the City of St. Cloud for permits?
No. Harmony has a St. Cloud mailing address but is in unincorporated Osceola County, so building permits go to the Osceola County Building Office rather than the City of St. Cloud. The community also has its own association design standards for exterior changes. We handle both the association submittal and the county permit.
Can you remodel an older home near downtown St. Cloud?
Yes. Older homes near New York Avenue and the lakefront often have past additions, mixed plumbing materials and sometimes raised floors. During the in-home visit we look at what is accessible, explain what may need replacing once walls or floors are open, and write the estimate so you can see which items depend on what we find.
How long does a home addition take in Orlando?
Most room additions take about 3 to 5 months of construction once permits are issued. Design, engineering, HOA review and permitting usually add 2 to 4 months before work starts. Garage conversions are typically faster because the roof and walls already exist. We give you a written schedule before construction and keep you updated as each phase passes inspection.
Do I need a permit for a room addition in Florida?
Yes. Any addition that adds space, changes structure or adds plumbing and electrical requires a building permit, engineered drawings and inspections. The permit is issued by your city building department if you are inside city limits, or by the county in unincorporated areas. As a licensed general contractor, we prepare and submit the permit package.
Can I build an in-law suite or ADU on my property?
It depends on your local zoning. An attached in-law suite with a bedroom and bathroom is usually allowed where additions are allowed. A separate unit with its own kitchen and entrance is treated as an accessory dwelling unit in many places, and rules on size, parking and occupancy vary by city and county. We check the rules for your parcel first.
More in St. Cloud
Home Additions nearby
Showroom and office
Serving St. Cloud from our Orlando showroom
Our showroom on Kingspointe Parkway is about 17 miles from St. Cloud in a straight line. Come see cabinets, counters and vanities in person before you decide.
7922 Kingspointe Pkwy Ste 110Orlando, FL 32819
- Monday to Friday9:00 AM to 5:00 PM
- SaturdayClosed
- SundayClosed
Estimates
Request a home addition estimate in St. Cloud
Tell us about the project. We call back within 24 to 48 hours to set up the in-home measure, and you get a written estimate after the visit.
- In-home measure and 3D design before you commit
- Licensed general contractor and plumbing contractor
- Permits pulled and inspections handled by us