Conditions and access
Concealed damage behind old stucco, tight access on pier-and-beam cottages, and finish protection in occupied rooms all shift labor time in ways a flat rate can't capture.
Scope and materials
The boundaries of the repair, the capacity of any drying equipment, compatible replacement materials, disposal, testing, and finish restoration should all be spelled out, not implied.
Permits and specialist input
City or county permits, structural engineering review, or environmental testing may apply depending on the scope — confirm directly with the provider and the relevant office.
Educational planning only
A number typed into a web form can't account for what's actually inside your walls. Insist on a written, site-specific scope before treating any figure as a quote.