Looking for a crawl space contractor in Keyport, NJ? Describe your project once and up to five crawl space contractors who work in Keyport and Monmouth County get back to you with a quote. It's free and there is no obligation.
Keyport is home to about 7,182 people (2024 Census Bureau estimate), a stable community (−0.3% since 2020). With 5,200 people per sq mi, it is a densely built-up area. Humid summers and homes built over vented crawl spaces make moisture problems common here.
Keyport at a glance
- Population (Census Bureau estimate, 2024)
- 7,182 (−0.3% since 2020)
- Rank in New Jersey
- 159th of 323 cities and towns
- Land area
- 1.4 sq mi
- Population density
- 5,200 people per sq mi (densely built-up)
- Type
- Borough (Keyport borough)
- Main county
- Monmouth County
What to check before hiring in Keyport
- Water first: standing water needs drainage before a vapor barrier.
- Wood damage: ask for a moisture reading and an assessment of joists and sills.
- Humidity control: check what dehumidifier or air supply is included and its maintenance.
- Price drivers: footprint, height, debris removal, drainage and repairs.
Useful official resources
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U.S. Department of Energy: Energy Saver
Official information and guidance.
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EPA: mold
Official information and guidance.
Services available in Keyport
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Crawl space encapsulation
Heavy vapor barrier on the floor and walls, sealed vents and a dehumidifier or conditioned air.
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Crawl space drainage and joist repair
Drainage, sump pump, joist or support repairs before or with encapsulation.
Frequently asked questions in Keyport
How much does crawl space encapsulation cost in Keyport, NJ?
It depends on the size of the crawl space, its condition and the equipment. Describe it: contractors who serve Keyport reply with a quote.
How long does it take?
Often two to four days for a typical house.
Does it need maintenance?
Yes: the dehumidifier and any sump pump need regular checks.
Which crawl space contractors will contact me?
Up to five independent crawl space contractors who serve Keyport 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.