Written by Acorn Sales Company, manufacturing stamps and seals since 1964 · Reviewed by Holly R, VP of Sales and Marketing at Acorn Sales, against the Ohio State Board of Registration for Professional Engineers and Surveyors and Ohio Rev. Code § 4733.14 on 21 September 2026 · Updated 21 September 2026
Ohio authorizes a surveyor seal design it has never published. Both Ohio Revised Code section 4733.14 and Ohio Administrative Code 4733-23-01 say the registrant may obtain a seal “of the design authorized by the board,” and the board has not put that design in the Administrative Code. Chapter 4733-23 consists of a single rule and it specifies only two things that must appear: your name as registered and the legend. There is no diameter, no ring count, no illustration and no template anywhere in chapter 4733 of either code.
Two consequences follow. The registration number on an Ohio surveyor seal is customary rather than required, so you may keep it or drop it, and no supplier can truthfully say a particular diameter is what Ohio requires of a surveyor. The common 1-5/8 inch and 2 inch offerings are market conventions carried over from states that do publish dimensions. The contrast inside Ohio is stark: the Architects Board and the Landscape Architect Examiners both prescribe a two inch circle with a one and three eighths inch concentric circle.
What is not negotiable is the legend. Ohio kept the word Registered when most states moved to Licensed, and the surveying legend is Registered Professional Surveyor. The older Registered Surveyor form is grandfathered only for individuals who held that registration before April 4, 1985.
Ohio land surveyor seal requirements at a glance
| Requirement | Ohio rule | Source |
|---|---|---|
| Seal required | Yes | Ohio Rev. Code § 4733.14 |
| Required elements | Your name as registered, The legend Registered Professional Surveyor and A design authorized by the board | Ohio Admin. Code 4733-23-01(A) |
| Size and shape | Not addressed. Section 4733.14 authorizes “a seal of the design authorized by the board,” and the board has published no design and no dimension. Checked Ohio Administrative Code chapter 4733-23, which. | Ohio Rev. Code § 4733.14 |
| Device allowed | Two routes are legal. | Ohio Rev. Code § 4733.14 |
| Signature and date | The registrant signs and dates next to the stamped seal. | Ohio Admin. Code 4733-23-01(A), (C) |
| What must be sealed | All plans, specifications, plats, reports and all other surveying work product issued by a registrant. | Ohio Rev. Code §§ 4733.14, 4733.18 |
| Electronic seal | Rule 4733-23-01(D) provides that work product bearing a computer generated seal and electronic signature and date “shall have an electronic authentication process attached to or logically associated with the electronic document.” The electronic signature must be unique to the person using it, capable of verification, under the sole control of the person using it, and linked to the document so that the signature is invalidated if any data in the document is changed. | Ohio Admin. Code 4733-23-01(D) |
| Renewal and lapse | Registration expires biennially on the last day of December following initial registration or renewal. | Ohio Rev. Code § 4733.15(A) |
| Firm requirements | A firm, partnership, association, limited liability company or corporation offering professional surveying services in Ohio must hold a certificate of authorization from the board and must designate one or more registrants in responsible charge. | Ohio Rev. Code §§ 4733.15(B), 4733.16 |
| Regulator | The Ohio State Board of Registration for Professional Engineers and Surveyors | Ohio Rev. Code ch. 4733 (§§ 4733.14 certificate of registration and seals, 4733.15 renewals, 4733.16 business authorized to practice, 4733.18 exceptions) and Ohio Admin. Code ch. 4733-23 (registrant’s seal, a single rule at 4733-23-01), ch. 4733-21 (certificate of registration) and ch. 4733-39 (certificate of authorization), plus the board’s Laws and Rules page at peps.ohio.gov. One board and one seal rule govern both professional engineers and professional surveyors in Ohio |
Is a seal required in Ohio?
Ohio requires a seal on essentially everything a registrant lets out the door. The duty sits in the statute and is repeated in the board rule: “Plans, specifications, plats, reports and all other engineering or surveying work product issued by a registrant shall be stamped with the said seal and be signed and dated by the registrant, or bear a computer generated seal and electronic signature and date.” Obtaining the seal is framed permissively, since “Each registrant may upon registration obtain a seal,” but once work product is issued, stamping is mandatory. Ohio Revised Code section 4733.14 carries the same sentence as Ohio Administrative Code 4733-23-01(A), so the requirement survives any change to the rule.
What must appear on the seal
- Your name as registered
- The legend Registered Professional Surveyor
- A design authorized by the board
Ohio does not require the registration number on the seal. Rule 4733-23-01(A) lists the name and the legend and nothing else, and section 4733.14 matches it word for word. Nearly every Ohio seal in circulation carries the number anyway, and adding it breaks no rule, but a vendor who tells a buyer the number is mandatory in Ohio is stating something the code does not say. The legend wording is fixed and is the element buyers get wrong: Ohio still says “Registered,” not “Licensed.” Professional surveyors use the legend Registered Professional Surveyor, and a surveyor seal obtained before the April 4, 1985 amendment and reading Registered Surveyor stays a legal seal for that registrant.
Size and shape
Not addressed. Section 4733.14 authorizes “a seal of the design authorized by the board,” and the board has published no design and no dimension. Checked Ohio Administrative Code chapter 4733-23, which consists of the single rule 4733-23-01, chapter 4733-21 on the certificate of registration, and the board’s Laws and Rules page, which links to nothing but Ohio Revised Code chapter 4733 and Ohio Administrative Code chapter 4733. Any diameter a supplier quotes as the Ohio surveying standard is a trade convention, not a board specification. The contrast inside Ohio is stark: the Architects Board and the Landscape Architect Examiners both prescribe a two inch circle with a one and three eighths inch concentric circle.
Embosser, rubber stamp or digital
Two routes are legal. A physical device, embosser or inked rubber stamp, applied to the document and then signed and dated by hand, or a computer generated seal carrying an electronic signature and date. The rule draws the line at the pairing rather than the device: a stamped seal must be accompanied by a wet signature and date, and a computer generated seal must be accompanied by an electronic signature and date. The safe buy is a self inking or hand held rubber stamp, because an embossed impression does not reproduce on a print or a scan and Ohio requires the seal to appear on the issued work product.
Signing and dating
The registrant signs and dates next to the stamped seal. Nothing in section 4733.14 or rule 4733-23-01 requires the signature to cross the seal, and nothing states whether the date is the seal date or the signing date; the rule simply pairs them, so practice is to date the day of signing. There is no provision allowing a facsimile of a handwritten signature on a physically stamped document; the alternative Ohio recognizes is the full computer generated seal plus electronic signature plus date. Affixing the seal is itself a certification: “By affixing their seal to any document, the registrant certifies to the accuracy and completeness of the information contained in the sealed document, and by such action, assumes full responsibility thereof.”
Ohio authorizes a surveyor seal design it has never published
Both the statute and the rule say the registrant may obtain a seal “of the design authorized by the board.” The board has not put that design in the Administrative Code. Chapter 4733-23 consists of a single rule, 4733-23-01, and it specifies only two things that must appear: the registrant’s name and the legend. There is no diameter, no ring count, no illustration and no template anywhere in Ohio Revised Code chapter 4733 or Ohio Administrative Code chapter 4733.
Which documents must be sealed
All plans, specifications, plats, reports and all other surveying work product issued by a registrant. Ohio writes no preliminary, draft or for review carve out into the seal rule, which is unusual; the escape is that the duty attaches to work product “issued by a registrant.” The exemptions sit in Ohio Revised Code section 4733.18 and cover employees and subordinates of a registrant whose duties do not include responsible charge, federal officers and employees, work on property owned or leased by the person doing it unless the public welfare or the safeguarding of life, health or property is involved, and work relating solely to the design or fabrication of manufactured products.
Electronic and digital seals
Rule 4733-23-01(D) provides that work product bearing a computer generated seal and electronic signature and date “shall have an electronic authentication process attached to or logically associated with the electronic document.” The electronic signature must be unique to the person using it, capable of verification, under the sole control of the person using it, and linked to the document so that the signature is invalidated if any data in the document is changed. The board names no technology, no certificate authority and no file format. Public key infrastructure is the usual way to satisfy the four criteria, but Ohio does not require it by name.
Renewal, lapse and retirement
Registration expires biennially on the last day of December following initial registration or renewal. Section 4733.14 and rule 4733-23-01(A) both forbid stamping, sealing or signing any document after the registration has expired or has been revoked or suspended, unless it has been renewed or reissued, and there is a twelve month window to renew late at a fifty per cent surcharge. Certificates of registration carry a serial number and nothing in chapter 4733 provides for that number to change, so a renewal does not obsolete an existing seal. There is no duty to surrender or destroy the seal on lapse or revocation; the duty is custodial: “Each registrant is charged with the safeguarding of their personal seal.”
Firm requirements
A firm, partnership, association, limited liability company or corporation offering professional surveying services in Ohio must hold a certificate of authorization from the board and must designate one or more registrants in responsible charge. The firm has no seal of its own and no rule requires the certificate of authorization number to appear on sealed documents. What the rule requires is physical display: the current certificate must be posted conspicuously in the firm’s place of business. Certificates of authorization expire biennially on June 30, on a different cycle from individual registration.
What to check before you order
Letter the legend exactly as the statute writes it: Registered Professional Surveyor. Set the name exactly as it reads on the certificate of registration. The registration number is optional in Ohio and should be offered as a choice rather than assumed. No board specified size exists for surveyors, so choose your own size without treating it as the Ohio requirement, and do not import the two inch figure that governs Ohio architects and landscape architects. Buy the rubber stamp rather than the embosser, because Ohio requires the seal to appear on issued work product and an embossed impression does not survive reproduction. Ohio imposes no vendor side proof of registration requirement; the custody duty falls on the registrant.
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Frequently asked questions
Is a seal required for surveyors in Ohio?
Obtaining one is framed permissively and using one is mandatory. Section 4733.14 says “Each registrant may upon registration obtain a seal,” and then: “Plans, specifications, plats, reports and all other engineering or surveying work product issued by a registrant shall be stamped with the said seal and be signed and dated by the registrant, or bear a computer generated seal and electronic signature and date.” Ohio Administrative Code 4733-23-01(A) carries the same sentence, so the requirement survives any change to the rule.
What has to appear on an Ohio surveyor seal?
Your name as registered and the legend Registered Professional Surveyor, on a design authorized by the board. That is the whole list in rule 4733-23-01(A) and in section 4733.14. Ohio does not require the registration number on the seal; nearly every Ohio seal in circulation carries it anyway and adding it breaks no rule, but a supplier who says the number is mandatory in Ohio is stating something the code does not say.
What size is an Ohio surveyor seal?
No size is stated. Section 4733.14 authorizes a seal of the design authorized by the board, and the board has published no design and no dimension. Any diameter quoted as the Ohio surveying standard is a trade convention, and the two inch figure that governs Ohio architects and landscape architects does not carry across.
Rubber stamp or embosser in Ohio?
Two routes are legal: a physical device, embosser or inked rubber stamp, applied and then signed and dated by hand, or a computer generated seal carrying an electronic signature and date. The rule draws the line at the pairing rather than the device. A self inking or hand held rubber stamp is the safe buy, because an embossed impression does not reproduce on a print or a scan and Ohio requires the seal to appear on the issued work product.
Where do the signature and date go in Ohio?
Beside the stamped seal. Nothing in section 4733.14 or rule 4733-23-01 requires the signature to cross the seal, and nothing states whether the date is the seal date or the signing date; the rule simply pairs them, so practice is to date the day of signing. There is no provision allowing a facsimile of a handwritten signature on a physically stamped document.
What does sealing certify in Ohio?
A good deal. Rule 4733-23-01(C): “By affixing their seal to any document, the registrant certifies to the accuracy and completeness of the information contained in the sealed document, and by such action, assumes full responsibility thereof.”
Which Ohio documents have to be sealed?
All plans, specifications, plats, reports and all other surveying work product issued by a registrant. Ohio writes no preliminary, draft or for review carve out into the seal rule, which is unusual; the escape is that the duty attaches to work product “issued by a registrant.” The exemptions sit in Ohio Revised Code section 4733.18 and cover employees and subordinates of a registrant whose duties do not include responsible charge, federal officers and employees, work on property owned or leased by the person doing it unless the public welfare or the safeguarding of life, health or property is involved, and work relating solely to the design or fabrication of manufactured products.
What does Ohio require of an electronic seal?
Rule 4733-23-01(D) provides that work product bearing a computer generated seal and electronic signature and date “shall have an electronic authentication process attached to or logically associated with the electronic document.” The electronic signature must be unique to the person using it, capable of verification, under the sole control of the person using it, and linked to the document so that it is invalidated if any data in the document is changed. The board names no technology, no certificate authority and no file format; public key infrastructure is the usual way to satisfy the four criteria but Ohio does not require it by name.
Does an Ohio seal need replacing at renewal?
No. Registration expires biennially on the last day of December following initial registration or renewal, with a twelve month window to renew late at a fifty per cent surcharge. Certificates carry a serial number and nothing in chapter 4733 provides for that number to change. Section 4733.14 and rule 4733-23-01(A) both forbid stamping, sealing or signing any document after the registration has expired or has been revoked or suspended, unless it has been renewed or reissued, and there is no duty to surrender or destroy the seal. The duty is custodial: “Each registrant is charged with the safeguarding of their personal seal.”
Does an Ohio surveying firm need a certificate of authorization?
Yes, and it gets no seal. A firm, partnership, association, limited liability company or corporation offering professional surveying services in Ohio must hold a certificate of authorization from the board and must designate one or more registrants in responsible charge. No rule requires the certificate number to appear on sealed documents; what the rule requires is physical display, with the current certificate posted conspicuously in the firm’s place of business. Certificates of authorization expire biennially on June 30, on a different cycle from individual registration.
