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FranchiseVerdict

Mellow Mushroom vs Black Rock Bar & Grill

Franchise Comparison 2026

Both Mellow Mushroom and Black Rock Bar & Grill are full-service restaurants franchises. Mellow Mushroom requires an investment of $1.3M – $4.8M while Black Rock Bar & Grill requires $1.5M – $5.0M. In terms of revenue, Black Rock Bar & Grill reports higher average unit revenue at $3.4M. Mellow Mushroom has SBA lending data on file with a 15.0% charge-off rate. FranchiseVerdict rates Mellow Mushroom B (Above Average) and Black Rock Bar & Grill F (Bottom Quintile).

Investment Range
$1.3M – $4.8M
$1.5M – $5.0M
Franchise Fee
$50K
$50K
Royalty Rate
5.0%
4.0%
Average Revenue (Item 19)
$2.7M
$3.4M
SBA Charge-Off Rate
15.0% (142 loans)
N/A
Total Units
161
12
Unit Growth (YoY)
N/A
N/A
Year Began Franchising
1987
2014
FDD Year
2026
2025