Homes with an in-law suite for sale in Johnston County, NC

Homes whose listing describes an in-law suite, ADU or separate living quarters — room for parents, grown kids or long-stay guests.

11

For sale now

$489,900

Middle asking price

$179/sq ft

$519,900

Middle sale price

13 sold, last 12 mo

96.2%

Of first asking price

what sellers received

114

Days on market

typical, last 12 mo

Stop anytime.

As of October 27, 2026, there are 11 homes with an in-law suite for sale in Johnston County, NC, with a middle asking price of $489,900 (from $315,000 to $2,500,000). Another 1 is under contract.

In the 12 months through October 27, 2026, 13 sold at a middle price of $519,900, typically for 96.2% of the first asking price after about 114 days on the market.

The most choices right now are in Flowers Plantation.

Newest homes with an in-law suite in Johnston County

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Price mix

  • Under $300K0
  • $300K–$500K6
  • $500K–$750K3
  • $750K–$1M0
  • $1M+2

Where they are

Towns in Johnston County

Questions, answered

How many homes with an in-law suite are for sale in Johnston County, NC?

As of October 27, 2026, there are 11 homes with an in-law suite for sale in Johnston County, NC, with a middle asking price of $489,900 (from $315,000 to $2,500,000). Another 1 is under contract.

What do homes with an in-law suite cost in Johnston County, NC?

As of October 27, 2026, the middle asking price is $489,900, about $179 per square foot for a typical 2,632 sq ft. $300K–$500K: 6; $500K–$750K: 3; $1M+: 2.

What did homes with an in-law suite sell for in Johnston County, NC last year?

In the 12 months through October 27, 2026, 13 sold at a middle price of $519,900, typically for 96.2% of the first asking price after about 114 days on the market.

How fast do homes with an in-law suite sell in Johnston County, NC?

In the 12 months through October 27, 2026 they typically sold in about 114 days, at 96.2% of the first asking price.

Which communities in Johnston County, NC have the most homes with an in-law suite for sale?

As of October 27, 2026, Flowers Plantation (2).

How do I estimate a monthly payment on a home in Johnston County, NC?

A mortgage payment has two parts: principal and interest, which depend on the price, your down payment and the rate a lender offers you; and the costs on top — property taxes, homeowners insurance (and flood insurance near the water), HOA dues where there's an association, and mortgage insurance if you put less than 20% down. Each home's page has a calculator that uses the rate you've been quoted and that home's own taxes and HOA dues from the listing. For your actual rate and Annual Percentage Rate (APR), ask a licensed lender — we can introduce you to Joey Milam at Alpha Mortgage Advantage, or you're free to choose any lender.

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Figures are computed live from MLS listing data for Johnston County, NC, in-law suite only. Middle = median. Listing data is deemed reliable but not guaranteed.