The ranges
| Unit | Typical size | Typical cost per service* | Usual rhythm |
|---|---|---|---|
| Small indoor trap | 20–50 gal | $125–$225 | every 2–4 weeks |
| Large indoor trap | 50–100 gal | $175–$300 | every 3–6 weeks |
| Interceptor | 500–1,000 gal | $300–$650 | every 60–90 days |
| Large interceptor | 1,500–3,000 gal | $500–$1,200 | quarterly |
*National ranges for scheduled service, shown so you can sanity-check any quote — ours included. Interceptor work typically prices near $0.30–$0.65 per gallon. Call (804) 234-8623 for a flat Richmond number on your exact unit.
Four things that legitimately raise the price
Neglect. Grease that sat for months hardens; hardened grease is hose-hours. Half-service history. If previous vendors skimmed, the compacted solids eventually come out the slow way — once. Access. A tank the truck parks beside beats one needing 200 feet of hose through the dining room. Urgency. Friday 7pm costs multiples of Tuesday 7am; the difference is the price of not having a schedule.
And one thing that shouldn’t
Mystery line items. A real quote is trap size × service scope, said out loud before the truck moves. If a Richmond vendor can’t price your unit from its size and your covers, run the calculator, know your own numbers, and make them explain the difference.