Room additions, second stories, in-law suites and ADUs in Kissimmee — engineered, permitted and built from foundation to finish by one licensed team.
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Right Image Builders is a licensed and insured Florida general contractor (CGC1539321) in Oviedo, building home additions and ADUs across Kissimmee and Osceola County. Room additions, second stories, in-law suites, and garage conversions — structural engineering, permitting, and construction under one contract. 4.9★, 433+ projects.
Adding on is the most structural work a home can undergo — foundation, framing, roofline, and tie-ins all have to be engineered and permitted correctly. We manage the whole process, from feasibility and design through permits and final finishes.
Additions and accessory dwelling units (ADUs) are handled differently by each jurisdiction — the City of Oviedo, unincorporated Seminole County, and the City of Orlando each set their own rules. We build to what actually applies to your Kissimmee lot.
Add a bedroom, primary suite, or great-room bump-out with a foundation and roofline that match the existing home.
Build up when you can't build out — engineered for the existing structure and Florida wind loads.
Detached or attached accessory units and garage conversions for multigenerational living or a home office, built to local code.
We coordinate the structural engineering, permitting, and any HOA/ARB review so the addition is legal and lasting.
We work throughout Kissimmee — from Buenaventura Lakes and Remington to Kissimmee Bay, Mill Run, Tapestry. Kissimmee is the Osceola County seat, a diverse and fast-growing city south of Orlando, and it sits in Osceola County, part of the Greater Orlando area we cover from our base in Oviedo.
Permitting for a Kissimmee home addition goes through City of Kissimmee Building Division. Not every Kissimmee address is inside the city limits — some are unincorporated Osceola County, and that changes which department reviews your plans. We confirm the jurisdiction for your exact address before anything gets filed.
Alongside Kissimmee, we regularly take on work in nearby Osceola County communities including St. Cloud, Celebration.
Every Kissimmee home addition we take on is run by the same licensed general contractor (CGC1539321) that pulls the permit — so there is one point of accountability from the first walkthrough in Buenaventura Lakes or Remington through final inspection with City of Kissimmee Building Division.
Kissimmee is the Osceola County seat, a diverse and fast-growing city south of Orlando. We cover the whole city — Buenaventura Lakes, Remington, Kissimmee Bay, Mill Run, Tapestry — and the surrounding Osceola County area, with plans filed through City of Kissimmee Building Division.
Serving all of Kissimmee and the surrounding Osceola County area.
Permit authority: City of Kissimmee Building Division
City of Kissimmee permits inside city limits; unincorporated addresses go through Osceola County. We pull the permits and manage the inspections as part of your project.
County: Osceola County
A sample of additions & adus work by our team.


Typical planning ranges for a Kissimmee addition or ADU. Planning ranges only, not a quote — final pricing depends on size, foundation and site.
| Project | Typical range | Notes |
|---|---|---|
| Room addition | $40,000 – $120,000 | Size, foundation, finishes |
| Second-story addition | $150,000 – $300,000+ | Structural reinforcement, new stair, roof |
| ADU / garage conversion | $50,000 – $180,000 | Detached vs. conversion, utilities, kitchen/bath |
These are typical planning ranges — not a quote. Every project is priced after we see the space. Permit and inspection fees charged by City of Kissimmee Building Division are separate and vary by scope, and we itemise them for your Kissimmee estimate rather than burying them in a lump sum.
Call (321) 805-0845 or send your project details — we’ll get right back to you.