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Washington · Landscape Architect seal requirements

Washington Landscape Architect seal requirements: proper sizing, signing and sealing of documents

As of

Washington fixes the wording but not the size: WAC 308-13-055 requires a board-authorized seal bearing the licensee's name, license number and the legend "Licensed landscape architect, state of Washington," and RCW 18.96.150(2) states the same legend in statute. The seal must also carry the licensee's signature and license expiration date. No diameter is prescribed — the rule allows the size to be adjusted "provided it remains readable," while forbidding any other deviation from the authorized design.

An approved Washington Landscape Architect seal design, shown as a watermarked example
An example of an approved Washington Landscape Architect seal design

WAC 196-23-070 is "Signature", not the seal rule; the seal is WAC 196-23-010 and its usage is WAC 196-23-020. WSR 25-02-004, filed December 18, 2024 and effective January 18, 2025, amended WAC 196-23-010, but it was an expedited, non-substantive rule making that changed pronouns only. The illustrated designs are printed in the certified PDF of the section, not in the HTML version. RCW 18.96.150 is titled “Certificates of licensure—Issuance—Contents—Seal” and its subsection (1) concerns the certificate of licensure signed by the chair of the board and the director; the licensee’s own seal is subsection (2). WAC 308-13-055 is written throughout in the second person — subsection (2) reads “You must seal/stamp the following” — and the sentence applying the sealing requirements “without exception … to all work prepared or supervised by the landscape architect” is a separate unnumbered paragraph that follows subsection (3), not part of (3) itself.

Generate a Washington Landscape Architect seal to this specification

Board approved

Your Washington Landscape Architect seal from pedigitalstamps.com meets every requirement on this page — the required wording and the layout set out in WAC 308-13-055; RCW 18.96.150(2). Fill in your details and download it in seconds.

Every format you need is included — PNG, PDF, SVG and CAD — ready to place in Bluebeam, Acrobat or AutoCAD.

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Washington Landscape Architect seal

Board
Board of Licensure for Landscape Architects (Washington State Department of Licensing)
Seal requirements
WAC 308-13-055; RCW 18.96.150(2)
Legend
“Licensed landscape architect, state of Washington”
Diameter
No diameter is prescribed. WAC 308-13-055 says only that "the size of the seal/stamp may be adjusted provided it remains readable. Other deviations are not allowed," and RCW 18.96.150(2) states no dimension.
Expiration date
The license expiration date is part of the stamp itself: WAC 308-13-055(1) requires the seal/stamp to include the signature and the license expiration date, and the board-authorized design reproduced in the rule shows "NO. #### EXP." on the face.(WAC 308-13-055 and (1))
Signature date
Neither the rule nor the statute calls for a date of signing. WAC 308-13-055(1) names only the signature and the license expiration date, and RCW 18.96.150(2) requires drawings to be "sealed and signed" without mentioning a date.(WAC 308-13-055(1); RCW 18.96.150(2))
City on seal
The prescribed contents are the licensee's name, license number and the legend; no city, address or business location appears in either provision.(WAC 308-13-055; RCW 18.96.150(2))
  • "If you were issued your initial license on or after January 1, 2017, you must have a seal/stamp of the design authorized by the board, bearing your name, license number and the legend 'Licensed landscape architect, state of Washington.' The size of the seal/stamp may be adjusted provided it remains readable. Other deviations are not allowed."(WAC 308-13-055)
  • "If you were licensed before January 1, 2017, you may continue to use your existing registration stamp."(WAC 308-13-055)
  • "Your seal/stamp must include your signature and your license expiration date."(WAC 308-13-055(1))
  • You must seal/stamp "(a) All technical submissions required for building permits, regulatory approvals and/or construction drawings that are filed with authorities having jurisdiction; (b) Drawings prepared by you on each sheet; (c) Specifications and other technical submissions need only be sealed/stamped on the cover, title page, and all pages of the table of contents."(WAC 308-13-055(2))
  • “Your seal/stamp shall not be affixed to any drawings not prepared by you or your regularly employed subordinates, or not reviewed by you. If you seal/stamp drawings or specifications that you have reviewed, you shall be responsible to the same extent as if those drawings or specifications were prepared by you.”(WAC 308-13-055(3))
  • “Without exception, these sealing/stamping requirements for landscape architects shall apply to all work prepared or supervised by the landscape architect.”(WAC 308-13-055 (unnumbered paragraph following subsection (3)))
  • A signature may be "[a] handwritten identification or a digital representation of your handwritten identification that represents the act of putting your name on a document to attest to its validity," which must be "[o]riginal and written by hand, or a scanned image of an original, handwritten identification," "[p]ermanently affixed to the document(s) being certified," "[a]pplied to the document by the identified licensee," and "[p]laced adjacent to the seal/stamp of the licensee."(WAC 308-13-055(4)(a))
  • A digital identification is permitted: it "is an electronic authentication process attached to or logically associated with an electronic document," and must be "[u]nique to the licensee using it," "[c]apable of independent verification," "[u]nder the exclusive control of the licensee using it," and "[l]inked to a document in such a manner that the digital identification is invalidated if any data in the document is changed."(WAC 308-13-055(4)(b))
  • "Each licensee shall obtain a seal of the design authorized by the board bearing the landscape architect's name, license number, the legend 'Licensed Landscape Architect,' and the name of this state. Drawings prepared by the licensee shall be sealed and signed by the licensee when filed with public authorities."(RCW 18.96.150(2))
  • "It is unlawful to seal and sign a document after a licensee's certificate of licensure or authorization has expired, been revoked, or is suspended."(RCW 18.96.150(2))

Washington landscape architect seal questions

Which date goes on a Washington landscape architect seal?▾

The date on a Washington stamp is the license expiration date, not the date you signed — the board design carries "EXP." on its face. Is your stamp showing a signing date where the expiration date belongs? (WAC 308-13-055(1))

Can you modify the board's seal artwork?▾

Size is the only thing the rule lets you change. WAC 308-13-055 permits the seal to be resized so long as it stays readable but states "Other deviations are not allowed" — redrawing the tree graphic or altering the legend is a deviation. (WAC 308-13-055)

Does every page of a specification book need a stamp?▾

Specifications and other technical submissions "need only be sealed/stamped on the cover, title page, and all pages of the table of contents," whereas drawings must be sealed on each sheet. (WAC 308-13-055(2)(b), (c))

Does a pre-2017 Washington stamp have to be replaced?▾

Licensees issued their initial license before January 1, 2017 "may continue to use" the existing registration stamp, so an older Washington seal is not automatically non-compliant. (WAC 308-13-055)

Seal requirements in other states

All jurisdictions →