Looking for an excavation contractor in Riverdale, NJ? Describe your project once and up to five excavation contractors who work in Riverdale and Morris County get back to you with a quote. It's free and there is no obligation.
Riverdale is home to about 4,142 people (2024 Census Bureau estimate), a stable community (+0.8% since 2020). With 2,044 people per sq mi, it is a suburban area. New homes, additions and utility connections keep local excavation contractors busy.
Riverdale at a glance
- Population (Census Bureau estimate, 2024)
- 4,142 (+0.8% since 2020)
- Rank in New Jersey
- 217th of 323 cities and towns
- Land area
- 2.0 sq mi
- Population density
- 2,044 people per sq mi (suburban)
- Type
- Borough (Riverdale borough)
- Main county
- Morris County
What to check before hiring in Riverdale
- Call 811: required before digging, in New Jersey 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 Riverdale
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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 Riverdale
How much does excavation cost in Riverdale, NJ?
It depends on the volume, depth, soil and haul-off. Describe your project: contractors who serve Riverdale 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 five independent excavation contractors who serve Riverdale 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.