FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  SEIFFER JONATHAN A
 2. Date of Event Requiring Statement (Month/Day/Year)
06/25/2021		 3. Issuer Name and Ticker or Trading Symbol
Mister Car Wash, Inc. [MCW]
(Last)
(First)
(Middle)
11111 SANTA MONICA BLVD., SUITE 2000		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

LOS ANGELES, CA 90025		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 238,387,200
I
See footnote. (1) (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
SEIFFER JONATHAN A
11111 SANTA MONICA BLVD.
SUITE 2000
LOS ANGELES, CA 90025		   X   X    

Signatures

/s/ Andrew C. Goldberg, Attorney-in-fact 06/25/2021
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Represents the shares of Common Stock of the Issuer owned by Green Equity Investors VI, L.P. ("GEI VI"), Green Equity Investors Side VI, L.P. ("GEI Side VI"), LGP Associates VI-A LLC ("Associates VI-A") and LGP Associates VI-B LLC ("Associates VI-B"). Of the shares of Common Stock reported, 146,604,648 are held by GEI VI, 87,376,152 are held by GEI Side VI, 343,296 are held by Associates VI-A, and 4,063,104 are held by Associates VI-B.
(2) Mr. Seiffer directly (whether through ownership or position) or indirectly through one or more intermediaries, may be deemed for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, to be the indirect beneficial owner of the shares of Common Stock owned by GEI VI, GEI Side VI, Associates VI-A, and Associates VI-B. Mr. Seiffer disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his pecuniary interest therein and this report shall not be deemed an admission that he is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.
 
Remarks:
Exhibit 24 - Power of Attorney

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