Contractor directory · Site & Earthwork
Robert F. Hopper
Drainage / Storm Drain
Drainage / Storm Drain contractor · works on industrial property · active Nov 1997 – Jul 2025.
106
Properties worked
1
States active
7
Counties active
1,191
Permit filings
32
Trades
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Stats are derived from construction permits and work events attributed to this contractor. Fields are shown only where sourced; valuation shown only when the source figure passes quality checks.