Looking for an addition contractor in Spring Lake Heights, NJ? Describe your project once and up to three addition contractors who work in Spring Lake Heights and Monmouth County get back to you with a quote. It's free and there is no obligation.
Spring Lake Heights is home to about 4,859 people (2024 Census Bureau estimate), a stable community (−0.5% since 2020). With 3,753 people per sq mi, it is a suburban area. Growing families here often add space instead of moving.
Spring Lake Heights at a glance
- Population (Census Bureau estimate, 2024)
- 4,859 (−0.5% since 2020)
- Rank in New Jersey
- 202nd of 323 cities and towns
- Land area
- 1.3 sq mi
- Population density
- 3,753 people per sq mi (suburban)
- Type
- Borough (Spring Lake Heights borough)
- Main county
- Monmouth County
What to check before hiring in Spring Lake Heights
- Zoning: check Spring Lake Heights's setbacks, lot coverage and height limits first.
- License and permit: in New Jersey, additions are built by licensed contractors under a permit.
- Structure: second stories need an engineer to check the existing house.
- Price drivers: size, foundation, roof tie-in, plumbing and finishes.
Useful official resources
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ICC: International Code Council
Official information and guidance.
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NAHB
Official information and guidance.
Services available in Spring Lake Heights
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Room addition
Ground-floor addition with foundation, framing, roof and finishes.
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Second-story addition
New floor over the existing house, with structural engineering.
Frequently asked questions in Spring Lake Heights
How much does an addition cost in Spring Lake Heights, NJ?
It depends on size, foundation and finishes. Describe your project: contractors who serve Spring Lake Heights reply with a quote.
How long does it take?
Often a few months, plus design and permits.
Does an addition raise property taxes?
Usually, since it increases the assessed value.
Which addition contractors will contact me?
Up to three independent addition contractors who serve Spring Lake Heights 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.