Looking for an excavation contractor in Buffalo Gap, SD? Describe your project once and up to three excavation contractors who work in Buffalo Gap and Custer County get back to you with a quote. It's free and there is no obligation.
Buffalo Gap is home to about 154 people (2024 Census Bureau estimate), a growing community (+20.3% since 2020). With 504 people per sq mi, it is a semi-rural area. New homes, additions and utility connections keep local excavation contractors busy.
Buffalo Gap at a glance
- Population (Census Bureau estimate, 2024)
- 154 (+20.3% since 2020)
- Rank in South Dakota
- 195th of 310 cities and towns
- Land area
- 0.3 sq mi
- Population density
- 504 people per sq mi (semi-rural)
- Type
- Town (Buffalo Gap town)
- Main county
- Custer County
What to check before hiring in Buffalo Gap
- Call 811: required before digging, in South Dakota as everywhere.
- Permits: grading, foundations and utility work may need permits from the city or county.
- Soil and rock: ask how unexpected rock or poor soil is priced.
- Price drivers: volume, depth, access, haul-off and backfill.
Useful official resources
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Call 811
Official information and guidance.
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OSHA: trenching and excavation
Official information and guidance.
Services available in Buffalo Gap
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Foundation and basement excavation
Digging for a foundation, basement or addition, with backfill.
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Utility trenches and site work
Trenches for water, sewer and power, building pads, driveways and grading.
Frequently asked questions in Buffalo Gap
How much does excavation cost in Buffalo Gap, SD?
It depends on the volume, depth, soil and haul-off. Describe your project: contractors who serve Buffalo Gap reply with a quote.
How long does it take?
A house foundation often takes a few days; larger site work longer.
Who hauls the dirt away?
Ask: haul-off and disposal are often priced separately.
Which excavation contractors will contact me?
Up to three independent excavation contractors who serve Buffalo Gap and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.