Written by Acorn Sales Company, manufacturing stamps and seals since 1964 · Reviewed by Holly R, VP of Sales and Marketing at Acorn Sales, against no board: South Carolina does not license or register interior designers and S.C. Code Ann. title 40 chapter list on 21 September 2026 · Updated 21 September 2026
South Carolina is unusually generous with seals, and interior design gets none of them. Architectural firms get a firm seal under Regulation 11-11.D, landscape architecture firms get a certificate of authorization seal under Regulation 76-4.B(4), and engineering and surveying firms get one under Regulation 49-207. Interior design has no board, no chapter in Title 40, no chapter in the Code of Regulations and no device of any kind. The absence is a choice rather than a gap in drafting practice.
For your own stamp, that means nothing is prescribed and therefore nothing is restricted. No element list governs it, no board approves a design, and there is no diameter or legend to match. Acorn will make it to whatever you want on it: your own name, your firm name, a monogram, your logo, or a credential you actually hold such as NCIDQ.
One layout to design away from. A die reading State of South Carolina around the top of a ring with an interior design title and a number is exactly what the state’s real architect and landscape architect seals look like, and there is no South Carolina interior design number that could lawfully sit inside it. Put your own name, your firm name, and any credential you actually hold, such as NCIDQ. Leave off “Licensed” and “Registered” and any state-issued title unless the state issued you one, because that is the part some states do restrict.
South Carolina interior designer seal requirements at a glance
| Requirement | South Carolina rule | Source |
|---|---|---|
| Seal required | Not licensed here | S.C. Code Ann. title 40 chapter list |
| Required elements | Not applicable: South Carolina issues no interior design credential and prescribes no interior designer seal | S.C. Code Ann. title 40 chapter list |
| Size and shape | Not applicable. | S.C. Code Ann. title 40 chapter list |
| Device allowed | Not applicable. | S.C. Code Ann. title 40 chapter list |
| Signature and date | Not applicable. | S.C. Code Ann. title 40 chapter list |
| What must be sealed | No South Carolina document requires an interior designer’s seal. | S.C. Code Ann. Regs. 11-11.A |
| Electronic seal | Not applicable. | S.C. Code Ann. title 40 chapter list |
| Renewal and lapse | Not applicable. | S.C. Code Ann. title 40 chapter list |
| Firm requirements | Not applicable. | S.C. Code Ann. Regs. 11-11.D, 76-4.B(4), 49-207 |
| Regulator | No board: South Carolina does not license or register interior designers | S.C. Code Ann. title 40, Professions and Occupations, chapter list read from the South Carolina Legislature’s site, which contains no interior design chapter |
Is a seal required in South Carolina?
South Carolina does not license, register or certify interior designers, and no South Carolina agency issues an interior designer’s seal. Title 40 of the South Carolina Code, Professions and Occupations, contains no interior design chapter, and the South Carolina Code of Regulations contains no interior design chapter either. The design professions that do appear are architects at Title 40 chapter 3 and Regs ch. 11, engineers and land surveyors at chapter 22 and Regs ch. 49, landscape architects at chapter 28 and Regs ch. 76, and geologists at chapter 77 and Regs ch. 131. There is no credential to seal with.
What must appear on the seal
- Not applicable: South Carolina issues no interior design credential and prescribes no interior designer seal
Nothing is prescribed because nothing is regulated. An interior designer working in South Carolina may use a firm stamp or a logo device, but no South Carolina element list governs it and no South Carolina board approves a design. Do not build a device reading State of South Carolina with a registered or licensed interior designer legend and a number. That top-of-the-ring legend is the signature feature of the South Carolina architect and landscape architect seals, and there is no South Carolina interior design number to put underneath it.
Size and shape
Not applicable. South Carolina prescribes no interior designer seal and therefore no diameter. The sources here are the Title 40 chapter list and the Code of Regulations chapter list.
Embosser, rubber stamp or digital
Not applicable. With no South Carolina interior design credential there is no required instrument. Where interior work forms part of a South Carolina permit submittal, the seal on it is the architect’s under Regs 11-11, and in South Carolina that means two seals, the architect’s and the architectural firm’s.
Signing and dating
Not applicable. No South Carolina rule prescribes a signature or date for an interior designer, because no South Carolina rule prescribes an interior designer seal.
A state that hands out firm seals to three professions and none to interior design
South Carolina is unusually generous with seals. Architectural firms get one under Regulation 11-11.D, landscape architecture firms get a certificate of authorization seal under Regulation 76-4.B(4), and engineering and surveying firms get one under Regulation 49-207. Interior design has no board, no chapter in Title 40, no chapter in the Code of Regulations and no device of any kind.
Which documents must be sealed
No South Carolina document requires an interior designer’s seal. Interior design content reaching a permit submittal travels under an architect’s seal, and Regulation 11-11.A requires the seal and signature of the architect in responsible charge together with the architectural firm’s seal on all architectural documents filed for public record, with record documents used for obtaining building permits signed and dated.
Electronic and digital seals
Not applicable. No electronic seal standard exists for a profession the state does not regulate.
Renewal, lapse and retirement
Not applicable. There is no South Carolina interior design credential to renew, lapse, retire or revoke.
Firm requirements
Not applicable. South Carolina issues no certificate of authorization for interior design services. The state issues firm devices freely where it wants to, with an architectural firm seal at Regs 11-11.D, a landscape architecture COA seal at Regs 76-4.B(4) and an engineering and surveying COA seal at Regs 49-207, so the absence for interior design is a choice rather than a gap in drafting practice.
What to check before you order
There is nothing for a South Carolina interior designer stamp to comply with, because the state issues no interior design credential. Do not order a circular device reading State of South Carolina at the top with an interior design title and a number; that is the pattern of the state’s real architect and landscape architect seals and there is no South Carolina interior design number to put in it. A firm name plate or a logo device raises none of those questions. If you hold an interior design credential from a state that does issue one, order that state’s device to its own specification and use it only for work there.
Browse interior designer stamps and seals.
Frequently asked questions
Does South Carolina license interior designers?
No. Title 40 of the South Carolina Code contains no interior design chapter, and the South Carolina Code of Regulations contains none either. The design professions that appear are architects at Title 40 chapter 3 and Regs ch. 11, engineers and land surveyors at chapter 22 and Regs ch. 49, landscape architects at chapter 28 and Regs ch. 76, and geologists at chapter 77 and Regs ch. 131.
Is an interior designer seal required in South Carolina?
No. With no credential there is no required instrument and no document that calls for one. A firm stamp or a logo device is what an interior designer here actually carries.
What can I put on a South Carolina interior designer stamp?
Your name, your firm name, a logo, contact details, or the exact name of a private certification such as the NCIDQ certificate from the Council for Interior Design Qualification. No South Carolina element list governs it and no board approves a design, so the choice is yours.
What layout should I avoid in South Carolina?
A circular device reading State of South Carolina at the top with an interior design title and a number. That top-of-the-ring legend is the signature feature of the South Carolina architect and landscape architect seals, and there is no South Carolina interior design number to put underneath it.
What size should a South Carolina interior designer stamp be?
Any size. South Carolina prescribes no interior designer seal and therefore no diameter. Neither the Title 40 chapter list nor the Code of Regulations chapter list offers a figure for the profession.
Who seals a South Carolina permit submittal?
The architect, and not alone. Regulation 11-11.A requires the seal and signature of the architect in responsible charge together with the architectural firm’s seal on all architectural documents filed for public record, with record documents used for obtaining building permits signed and dated, and says a firm seal alone is insufficient. That pairing is what to expect on the sheet.
Does South Carolina prescribe a signature or date for an interior designer?
No, because it prescribes no interior designer seal. How you sign your own interior design documents is a business matter rather than a regulated act.
Is there an electronic sealing standard for South Carolina interior designers?
No electronic seal standard exists for a profession the state does not regulate.
What if I hold an interior design credential from another state?
Order that state’s device to its own specification and use it only for work there. It describes a credential the issuing state grants, and none of those credentials describes anything South Carolina issues.
Does a South Carolina interior design firm get a certificate of authorization?
No. South Carolina issues no certificate of authorization for interior design services, even though it issues firm devices freely to architecture, landscape architecture and engineering and surveying firms. There is no renewal cycle, no lapse, no number and no device.
