K&L GATES LLPExhibit 5.1

925FOURTHAVENUE

SUITE2900,

SEATTLE,WA98104-1158

T+12066237580F+12066237022klgates.com

December29, 2022

eXpWorldHoldings,Inc.

2219RimlandDrive,Suite301

Bellingham,WA 98226 LadiesandGentlemen:

We have acted as your counsel in connection with the Registration Statement on Form S-8(the“RegistrationStatement”)filedwiththeSecuritiesandExchangeCommissionunderthe Securities Act of 1933, as amended (the “1933 Act”), for the registration of 27,876,003 shares (the “Shares”) of the common stock, par value $0.00001 per share (“Common Stock”), of eXp World Holdings, Inc., a Delaware corporation (the “Company”), issuable under the Company’s 2015 Equity Incentive Plan, as amended (the “2015 Plan”).

You have requested our opinion as to the matters set forth below in connection with the Registration Statement.For purposes of rendering that opinion, we have examined the Registration Statement, the Company’s Restated Certificate of Incorporation and Restated Bylaws, the 2015 Plan, and the action of the board of directors and stockholders that provides for the approval of the Plan (the “Plan Resolutions”). We have also relied on a certificate of an officeroftheCompanyhavemadesuchotherinvestigationaswehavedeemedappropriate.In renderingouropinion,wealsohavemadetheassumptionsthat arecustomaryinopinionletters of this kind. We have not verified any of those assumptions.

For the purposes of this opinion letter, we have assumed that: (a) each document submitted to us is accurate and complete; (b) each such document that is an original is authentic; (c) each such document that is a copy conforms to an authentic original; (d) all signaturesoneachsuchdocumentaregenuine;and(e)theCompanyisandshallremainatall times a corporation duly incorporated, validly existing, and in good standing under the laws of the State of Delaware.We have further assumed the legalcapacity of natural persons, and we have assumed that each party to the documents we have examined or relied on has the legal capacity or authority and has satisfied all legal requirements that are applicable to that party to the extent necessary to make such documents enforceable against that party. We have not verified any of those assumptions.

In rendering our opinion below, we also have assumed that: (a) the Company will have sufficientauthorizedandunissuedsharesofCommonStock atthetimeofeachissuanceofany of the Shares under the 2015 Plan; (b) the Shares will be evidenced by appropriate certificates, duly executed and delivered, or the Company’s Board of Directors have adopted or will adopt a resolution providing thatall of theShares shall beuncertificatedin accordance with Section 158 of the Delaware General Corporation Law (the “DGCL”) prior to their issuance; (c) the issuance of each Share will be duly noted in the Company’s stock ledger upon its issuance; (d) the Companywill receive considerationforeach Share at least equaltothe par value of suchshare of CommonStockandintheamountrequiredbythe2015Plan(ortheawardagreement issued thereunder); and (e) prior to the issuance of any Shares under the 2015 Plan, the Company’s

Board of Directors (or a duly authorized committee thereof) will duly authorize each award grantedunderthe2015PlanpursuanttoresolutionsdulyadoptedinaccordancewiththeDGCL (the“AwardResolutions”and,togetherwiththePlanResolutionsthe“AuthorizingResolutions”), an award agreement, the 2015 Plan, and the Plan Resolutions.

OuropinionsetforthbelowislimitedtotheDGCL,includingreportedjudicialdecisions interpreting the DGCL.

Based upon and subject to the foregoing, it is our opinion that the Shares, when issued andpaidforpursuanttoandinaccordancewiththe2015Plan,theAuthorizing Resolutionsand the applicable award agreement, will be validly issued, fully paid, and nonassessable.

Thisopinionisexpressedasofthedatehereof,andwedisclaimanyundertakingto advise you of any subsequent changes in the facts stated or assumed herein or of any subsequent changes in applicable laws.

WeherebyconsenttothefilingofthisopinionasanexhibittotheRegistrationStatement.

Ingivingourconsentwedonottherebyadmitthatweareinthecategoryofpersonswhose consentisrequiredunderSection7ofthe1933Actortherulesandregulationsthereunder.

Yourstruly,