Building Designer vs. Architect in Florida

If you are planning a one-family or two-family home in Florida, state law does not require you to hire an architect simply because plans need to be prepared. Florida Statutes §481.229(1)(b) says a person does not have to qualify as an architect to prepare plans and specifications for, or supervise the erection, enlargement, or alteration of, a one-family or two-family residence, townhouse, or qualifying domestic outbuilding, regardless of cost.

That answers the legal-title question, but it does not answer every practical question about who should design your project. A residential building designer and a licensed architect can overlap in the work they perform on exempt residential projects, but their legal status, credentialing, service structure, and relationship to engineering are not the same.

The most useful way to compare them is to separate four questions: Who is legally allowed to prepare the residential design? What does the professional’s credential actually establish? Who is responsible for engineering and signed/sealed documents? And which person’s experience, process, and scope fit your particular project?

The short answer: Florida does not require an architect for covered one- and two-family residential projects

Florida’s architecture law expressly creates residential exemptions. Section 481.229(1)(b) covers one-family and two-family residence buildings, townhouses, and qualifying domestic outbuildings. The exemption applies to plans and specifications as well as the erection, enlargement, or alteration of those buildings.

That means the architecture statute itself does not require a Florida-licensed architect for a covered new home, addition, or renovation simply because the project needs design drawings.

Florida’s Department of Business and Professional Regulation makes the same point in homeowner-facing language. Its architecture FAQ asks, “I want to design a house. Do I need to be licensed?” and answers no, directing readers to the residential exemption in §481.229.

The exemption does not make every professional role interchangeable. Florida still protects the titles “architect” and “registered architect.” A person who is not licensed as an architect should not use those titles. Engineering is separately regulated, and local permit submittal requirements can still determine which documents must be signed and sealed and by whom.

What “residential building designer” means in Florida

“Residential building designer” is a descriptive professional role. The residential exemption does not create a separate Florida architect license under that name.

A building designer working within the exemption may develop the design and prepare drawings for covered residential projects without holding an architect license. Depending on the provider and agreement, that work may include programming, space planning, floor plans, exterior design, construction drawings, consultant coordination, and permit-support services.

The important point for a homeowner is that experience and qualifications can vary from one residential building designer to another. There is no single architect-style Florida licensure path attached to the phrase “residential building designer.” One designer may have decades of residential experience and a highly developed technical process; another may be relatively new to the work.

That makes the portfolio, relevant project experience, scope of services, consultant relationships, communication process, and quality of the actual work especially important when evaluating a building designer.

What a Florida architect license establishes

An architect is different in one clear legal respect: “architect” is a protected professional title tied to state licensure.

For applicants seeking initial licensure through Florida’s standard examination path, the state requires professional architecture education, qualifying experience, and passage of the Architect Registration Examination. The Florida Board of Architecture and Interior Design describes that path through a NAAB-accredited professional architecture degree, the NCARB Architectural Experience Program, and the ARE.

That credential is meaningful. It establishes that the architect has satisfied a regulated education, experience, examination, and licensing framework.

It does not tell you everything about project fit. An architect license by itself does not establish that someone specializes in single-family residential work, shares your design priorities, communicates in the way you prefer, or has more experience with your particular project type than another qualified residential design professional. Those questions still require evaluating the individual or firm.

Where the professional engineer fits

This is where homeowners often hear “signed and sealed” and assume that an architect must be involved. Those are not the same thing.

Professional engineering is a separate licensed profession in Florida. A professional engineer is responsible for engineering documents prepared or issued under the engineer’s responsible charge and may sign and seal engineering documents within the engineer’s area of competence.

For a residential project, the design professional and the engineer may be different people. A residential building designer may develop the home and coordinate the construction drawings while a structural or other professional engineer provides the engineering that the project requires. The exact division of responsibility depends on the project, the agreements, and the documents involved.

The City of Orlando provides a useful local example. Its current residential permitting requirements say that residential plans must include a third-party verified signature from a Florida registered “architect/engineer.” The City does not describe that requirement as architect-only.

For a one-family or two-family project covered by Florida’s residential architect exemption, the need for signed and sealed permit documents does not by itself mean that an architect is required. A Florida professional engineer can provide the applicable engineering signature and seal when the documents are within that engineer’s responsible charge and competence.

That does not mean an engineer can simply stamp any drawing. The Florida Board of Professional Engineers emphasizes that a PE may sign and seal only engineering documents for which the engineer had responsible charge and the required expertise.

For homeowners, the practical questions are: What engineering does this project need? Who will provide it? Which documents will that engineer be responsible for? And how will the design and engineering work be coordinated before permit submission?

The difference at a glance

Legal status: “Architect” is a protected Florida professional title tied to state licensure. “Residential building designer” is a descriptive role and is not another form of Florida architect license.
Covered residential design: Florida law does not require an architect for the one-family, two-family, townhouse, and qualifying domestic-outbuilding work described in §481.229(1)(b).
Credentialing: Florida architects follow a defined state licensing path involving education, experience, and examination. A building designer’s education, experience, professional credentials, and specialization can vary by provider.
Engineering: An architect license and a professional engineer license are different credentials. Residential projects may require separate engineering regardless of who develops the architectural design.
Signing and sealing: A permit authority may require professionally signed/sealed documents. That requirement should not automatically be interpreted as “architect required.” The exact documents and responsible professional should be verified for the project and jurisdiction.
Project fit: Neither title alone tells you who is the better fit. Relevant residential experience, design ability, scope, communication, coordination, and the needs of the project still matter.

What matters more than the title alone

Start with relevant residential experience

Ask to see work that resembles the project you are planning. A professional who primarily works on large commercial buildings may hold an architect license but have limited single-family experience. A residential building designer may have extensive experience with custom homes but less experience with a particular construction type or jurisdiction.

The reverse can also be true. The useful comparison is not title versus title in the abstract. It is the actual experience of the professionals you are considering.

Compare the scope of services

Two proposals can use similar words while covering very different responsibilities.

Ask what is included from the beginning of design through permit-ready documents. Does the scope include existing-condition documentation for a renovation? Site-plan coordination? Structural-engineering coordination? Energy information? Responses to permit comments? Changes during construction? Meetings with the builder?

Also ask what is specifically excluded. A clear scope is often more useful than a broad professional label.

Understand how engineering will be handled

Do not wait until the permit package is almost complete to discover that structural or other engineering is still unresolved.

Ask whether the design professional regularly coordinates with licensed engineers, whether you or the design professional will retain them, and how engineering changes are incorporated into the drawing set. Our guide to a residential construction drawing set explains why consultant documents and the core design drawings need to work together even when different professionals are responsible for them.

Consider local permitting experience

A professional does not need to know every requirement from memory, but there should be a reliable process for identifying the authority having jurisdiction and verifying current submittal requirements.

Central Florida jurisdictions do not all administer residential permitting in exactly the same way. Our guide to residential permitting in Central Florida explains the broader relationship among statewide code, local review, zoning, consultant documents, permit comments, and inspections.

Evaluate the working relationship

A custom home or major renovation involves many decisions over time. Ask how design meetings work, how revisions are handled, how decisions are documented, how quickly questions are typically addressed, and who will actually be working on your project.

A strong portfolio is important. So is a process that allows you to understand what is being designed and make informed decisions before construction.

Questions to ask before hiring a residential design professional

What experience do you have with projects similar to mine?
Are you a Florida-licensed architect, a residential building designer working under an applicable exemption, or another type of provider?
Exactly what design and construction-document services are included in your agreement?
What services or consultant work are excluded?
Who will provide structural and other required engineering?
Which documents are expected to be signed and sealed, and by which licensed professional?
How do you verify the current requirements of the city or county reviewing the permit?
Who coordinates changes between the design drawings and engineering documents?
What role, if any, do you provide after the plans are complete or during construction?
If the project scope changes in a way that affects professional requirements, how will that be identified and addressed?

If you are also deciding when to involve the contractor, treat that as a separate decision. Choosing a residential designer or architect answers who will provide the design services; deciding whether the designer or builder comes first addresses how you want the project team and construction feedback organized.

When might an architect still be required or preferred?

The residential exemption is specific. If a project falls outside the applicable exemptions in Florida law, the professional requirements can change. Do not assume that rules for a one-family or two-family residence automatically apply to a different building type or use.

An architect may also be the homeowner’s preferred choice even when the law does not require one. A particular architect may have the strongest portfolio for the project, a specialized design approach, experience with unusually complex work, or a service model the homeowner values.

Likewise, a residential building designer may be the better fit for a particular exempt residential project because of the designer’s experience, process, portfolio, residential specialization, or working relationship with the homeowner.

The decision should come from the project and the professional, not from a blanket assumption that one title is always better.

Choose the professional, not just the title

For a covered one-family or two-family project in Florida, the starting point is clear: the architecture statute does not require you to hire an architect simply to have the home designed.

From there, the better question is whether the professional you are considering has the experience, design ability, scope of services, consultant coordination, and process your project needs.

Verify the role each person will perform. Understand who is responsible for engineering. Confirm what must be signed and sealed for the actual permit jurisdiction. Review comparable residential work. Read the agreement closely.

Once those questions are separated, “building designer versus architect” becomes less about choosing a label and more about assembling the right professional team for the home you want to build or change.

Sources & References

Version history

Published · Version 1.0 — October 1, 2026

Original publication.