v3.26.1
Document and Entity Information
12 Months Ended
Dec. 31, 2025
Entity Information [Line Items]  
Document Type 11-K
Document Period End Date Dec. 31, 2025
Entity Registrant Name TopBuild Corp.
Entity Central Index Key 0001633931
Amendment Flag false
TopBuild Corp. 401(k) Plan  
Entity Information [Line Items]  
Document Type 11-K
Document Period End Date Dec. 31, 2025
Entity Tax Identification Number 47-3096382
Amendment Flag false