Looking for an addition contractor in Black Rock, AR? Describe your project once and up to three addition contractors who work in Black Rock and Lawrence County get back to you with a quote. It's free and there is no obligation.
Black Rock is home to about 630 people (2024 Census Bureau estimate), a growing community (+6.6% since 2020). With 192 people per sq mi, it is a semi-rural area. Growing families here often add space instead of moving.
Black Rock at a glance
- Population (Census Bureau estimate, 2024)
- 630 (+6.6% since 2020)
- Rank in Arkansas
- 232nd of 500 cities and towns
- Land area
- 3.3 sq mi
- Population density
- 192 people per sq mi (semi-rural)
- Type
- City (Black Rock city)
- Main county
- Lawrence County
What to check before hiring in Black Rock
- Zoning: check Black Rock's setbacks, lot coverage and height limits first.
- License and permit: in Arkansas, 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 Black Rock
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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 Black Rock
How much does an addition cost in Black Rock, AR?
It depends on size, foundation and finishes. Describe your project: contractors who serve Black Rock 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 Black Rock 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.