Skip to content

Oviedo · Seminole County

Home Additions in Oviedo, FL

Designed in 3D, permitted with the right Seminole County or city office, and built by a licensed Florida general contractor that also holds its own plumbing license.

Finished room addition on a stucco Florida home matched to the existing roofline and paint

Get your estimate in Oviedo

Takes 30 seconds. We call you back within 24 to 48 hours.

Add details (optional)

Required. By sending this form you agree that Prime Construction may call or email you about your project. We text you only if you check the box above. Privacy policy.

Home addition projects in Oviedo

Oviedo families tend to add on because they like where they live. Homes in Alafaya Woods, Twin Rivers and Kingsbridge were sized for young kids, and owners now want a bigger family room, a home office or an in-law suite so a parent can move in. Enclosing a screened lanai and connecting it to the kitchen is one of the most common requests. Out toward Black Hammock and Lake Jesup, larger lots leave room for a full bedroom wing or a guest suite at the far end of the house, with space left over for parking and a workshop.

What changes for a home addition in Oviedo

An Oviedo addition starts with the survey and the jurisdiction. Inside city limits, the City of Oviedo Building Services Division reviews the plans, and signed and sealed engineering is submitted electronically; rural parcels go to the Seminole County Building Division. In the subdivisions, HOA architectural review comes before the permit, and the addition has to match the existing roof and stucco. On septic lots, adding a bedroom or bathroom can require septic review before the building permit, and on some acreage the well and drainfield locations decide where the addition can go.

Local details we plan around

  • Rural parcels toward Black Hammock and Lake Jesup are often unincorporated Seminole County and may be on well and septic, which affects bathroom additions.
  • Many homes from the late 1980s and 1990s are on their original water heaters, shutoffs or supply lines, worth replacing while a kitchen or bath is open.
  • Busy family homes need durable choices: porcelain tile or waterproof plank floors, quartz counters and tile showers with proper waterproofing.
  • HOA architectural review is standard in Oviedo subdivisions for exterior work, and some HOAs restrict dumpster placement on the street.

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 Oviedo.

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.

Full home additions details

Our process

How a home addition in Oviedo runs

The same five steps on every kitchen, bath and renovation. Online requests get a call back within 24 to 48 hours.

  1. 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.

  2. 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.

  3. 03

    Material selection

    You choose cabinets, counters, tile and fixtures with our designer in the Kingspointe Pkwy showroom, against the final design.

  4. 04

    Ordering and permits

    We order material, check every item against your selections, and pull the permits the scope needs.

  5. 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

4.9 ★★★★★72 Google reviews
  • ★★★★★

    "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 Oviedo: questions

Do not see your question? Call us or send the estimate form and we will answer it on the phone.

Do I need a septic review to add an in-law suite in Oviedo?

If the home is on septic and the suite adds a bedroom or bathroom, often yes. The review checks whether the existing system is sized for the added use, and it usually comes before the building permit. Homes connected to sewer skip this step. We gather the septic records early and plan the suite around what the system and the lot can support.

Who issues building permits in Oviedo?

The City of Oviedo Building Services Division issues permits for properties inside city limits, through its online portal. If your home is in unincorporated Seminole County, which is common in the Black Hammock area and some edges of town, the Seminole County Building Division issues it instead. We confirm the jurisdiction from the property appraiser record before filing.

Can I add a bathroom to an Oviedo home on septic?

Often yes, but it takes an extra step. Adding a bathroom or bedroom to a home on septic can require review of whether the existing system is sized for the added use, and that review usually comes before the building permit. We look at the system's paperwork and the lot early, so the bathroom design fits what the site can support.

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.

Showroom and office

Serving Oviedo from our Orlando showroom

Our showroom on Kingspointe Parkway is about 21 miles from Oviedo in a straight line. Come see cabinets, counters and vanities in person before you decide.

7922 Kingspointe Pkwy Ste 110
Orlando, FL 32819
  • Monday to Friday9:00 AM to 5:00 PM
  • SaturdayClosed
  • SundayClosed

Estimates

Request a home addition estimate in Oviedo

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
(407) 404-3944 Mon to Fri, 9 AM to 5 PM

Get your estimate

Takes 30 seconds. We call you back within 24 to 48 hours.

Add details (optional)

Required. By sending this form you agree that Prime Construction may call or email you about your project. We text you only if you check the box above. Privacy policy.

Call now Get an estimate