CGC1515971 | Florida Certified General Contractor

Room Addition in Spring Hill, FL

Room additions that look like they were always there. Built to match your existing roofline, siding, trim, and architecture. Not bolted on. Built in.

Spring Hill's limestone substrate and documented sinkhole activity make foundation engineering the most critical element of any room addition in the area. Geotechnical soil testing is required before designing any new foundation on Hernando County land, and the results dictate whether standard monolithic slab, deep footings, or grouted foundations are necessary. Many homes in Sterling Hill, Timber Pines, and Caldera sit on large lots with adequate space for substantial additions. Drome Contracting ties every new foundation into the existing structure with engineered connections, matches the existing roofline and exterior, and handles all Hernando County Building Division permitting under license CGC1515971.

Our Process

How We Work

01

Site Evaluation

We assess your property, existing structure, and desired addition. Setback requirements, utility locations, and structural integration points identified.

02

Design and Estimate

Floor plan, exterior elevations, and integration details. Line-item estimate covering foundation through finishes.

03

Permits

Room additions require building permits in every county. We handle site plan, structural, and all trade permits.

04

Foundation

Foundation poured and tied into existing structure. Engineered for Florida soil conditions.

05

Framing and Roofline

Walls framed, roof structure tied into existing roofline. Exterior materials matched to existing home.

06

Mechanical

HVAC extension, electrical, and plumbing run from existing systems. In-law suites include dedicated circuits and plumbing.

07

Interior Finishes

Drywall, paint, trim, flooring, and fixtures. Transition between old and new spaces is seamless.

08

Final Walkthrough

From the outside, it looks like it was always there. From the inside, your home just has more room.

Local Expertise

What We Know About Building Here

Hernando County Building Division requires geotechnical soil testing before permitting any new foundation

Limestone substrate and sinkhole risk may require deep footings, compaction grouting, or pin piles for new foundations

Large lot sizes in Spring Hill communities provide ample room for ground-floor additions

HOA architectural review in Sterling Hill, Timber Pines, and Caldera must approve exterior changes before county permit

Why Drome

Credentials That Matter

CGC1515971

Florida Certified General Contractor

$1M Insured

General liability insurance coverage

Workers' Comp

Full workers compensation coverage

Owner on Every Job

Richard Drouet personally manages your project

FAQ

Common Questions

How long does a room addition take in Spring Hill?

Single room additions take 2-4 months. Multi-room or in-law suites take 3-6 months depending on complexity and Hernando County permitting timelines.

Will a room addition match my existing home?

That is the entire point. We match your roofline pitch, siding profile, trim style, and floor elevations. A bad addition is obvious. Ours are not.

Do I need an architect for a room addition?

Not always. Simple bedroom or office additions can be designed with our team. Complex additions or second stories may benefit from architectural plans, and we can coordinate that.

What setback requirements apply to room additions in Hernando County?

Hernando County enforces minimum setback distances from property lines for any new construction. Typical residential setbacks are 7.5 feet on the sides, 20 feet from the front, and 10 feet from the rear, but these vary by zoning district. We verify your specific setback requirements with the county before designing your addition to make sure the project is approvable.

How do Florida wind load requirements affect room addition framing?

Any room addition in Hernando County must meet the same wind load requirements as new construction. This means hurricane straps on every truss connection, properly rated sheathing with specific nail patterns, and impact-rated windows or shutters on all openings. The framing must tie into your existing structure in a way that maintains the wind resistance of the entire building envelope.

Can my existing HVAC system handle a room addition in Spring Hill?

It depends on the size of your current system and the square footage being added. A typical room addition of 200 to 400 square feet may overload an already right-sized system in the Florida heat. We perform a Manual J load calculation to determine whether your existing unit can handle the additional space or whether an upgrade or supplemental mini-split system is needed.

Do I need a survey before building a room addition in Hernando County?

Yes. Hernando County requires a current boundary survey showing the proposed addition footprint before issuing a building permit. The survey confirms that the addition will not encroach on setbacks, easements, or neighboring property lines. If your existing survey is more than a few years old, you will likely need a new one.

Can you build a second-story addition over my existing Florida slab foundation?

Sometimes, but it requires a structural engineer to evaluate whether your existing slab and footings can support the additional load. Many Florida homes were built on monolithic slabs designed only for single-story loads. If reinforcement is needed, options include adding steel beams, deepening footings, or installing helical piers. We get the engineering analysis done before providing a final price.

Licensed and Insured

Serving Spring Hill and Hernando County

Describe your project in a few sentences. We call you back within one business day with honest answers and a clear next step. No sales pitch. No obligation.

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