Looking for a SWPPP consultant in Kent, WA? Describe your project once and up to three stormwater consultants who work in Kent and King County get back to you with a quote. It's free and there is no obligation.
Kent is home to about 136,588 people (2024 Census Bureau estimate), a stable community (−0.0% since 2020). With 4,037 people per sq mi, it is a densely built-up area. Subdivisions and commercial sites here need stormwater permit coverage before grading.
Kent at a glance
- Population (Census Bureau estimate, 2024)
- 136,588 (−0.0% since 2020)
- Rank in Washington
- 6th of 281 cities and towns
- Land area
- 34 sq mi
- Population density
- 4,037 people per sq mi (densely built-up)
- Type
- City (Kent city)
- Main county
- King County
What to check before hiring in Kent
- Permit: in Washington, check the state construction general permit.
- Local rules: Kent may add its own erosion control permit.
- Records: keep inspection reports on site.
- Price drivers: site size, phases, inspection frequency and duration.
Useful official resources
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EPA: construction stormwater
Official information and guidance.
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EnviroCert: CPESC
Official information and guidance.
Services available in Kent
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SWPPP and permit coverage
Preparation of the SWPPP and notice of intent under the construction general permit.
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Stormwater inspections
Routine and post-storm inspections with reports for the permit.
Frequently asked questions in Kent
How much does a SWPPP cost in Kent, WA?
It depends on site size, phases and inspections. Describe your project: consultants who serve Kent reply with a quote.
How long does it take?
Plans often take days to a couple of weeks, plus the permit review.
What happens at the end?
A notice of termination is filed once the site is stabilized.
Which stormwater consultants will contact me?
Up to three independent stormwater consultants who serve Kent 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.