Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
$ in Billions
12 Months Ended
Dec. 31, 2023
Feb. 20, 2024
Jun. 30, 2023
Cover page.      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2023    
Document Transition Report false    
Entity File Number 001-36870    
Entity Registrant Name TopBuild Corp    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 47-3096382    
Entity Address, Address Line One 475 North Williamson Boulevard    
Entity Address, City or Town Daytona Beach    
Entity Address, State or Province FL    
Entity Address, Postal Zip Code 32114    
City Area Code 386    
Local Phone Number 304-2200    
Title of 12(b) Security Common stock, par value $0.01 per share    
Trading Symbol BLD    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   31,775,877  
Amendment Flag false    
Entity Central Index Key 0001633931    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Auditor Name PricewaterhouseCoopers LLP    
Auditor Location Tampa, Florida    
Auditor Firm ID 238    
Entity Public Float     $ 8.6