v3.22.2.2
Cover Page
Dec. 07, 2022
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Entity Registrant Name CASTELLUM, INC.
Entity Central Index Key 0001877939
Entity File Number 001-41526
Entity Tax Identification Number 27-4079982
Document Period End Date Dec. 07, 2022
Entity Incorporation, State or Country Code NV
Entity Address, Address Line One 3 Bethesda Metro Center
Entity Address, Address Line Two Suite 700
Entity Address, City or Town Bethesda
Entity Address, State or Province MD
Entity Address, Postal Zip Code 20814
City Area Code 301
Local Phone Number 961-4895
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common stock, par value $0.0001 per share
Trading Symbol CTM
Security Exchange Name NYSE
Entity Emerging Growth Company true
Entity Ex Transition Period true