Laundromats are valued primarily on their Seller's Discretionary Earnings (SDE) — the net income after all expenses plus owner compensation added back. Typical multiples range from 2.5x (older equipment, declining revenue) to 5x+ (newer equipment, growing WDF revenue, strong lease). Key value drivers include equipment age and condition, lease terms, location demographics, revenue trends, and service mix (self-service vs. WDF vs. pickup/delivery).