Jam Concrete Contracting LLC

Concrete and masonry contractor in New Windsor, MD 21776

About this company

Jam Concrete Contracting LLC is listed as a concrete and masonry contractor based in New Windsor, Maryland, in Carroll County. Federal motor carrier records list 1 drivers and 1 trucks for the company. It is one of 1 concrete and masonry companies in ZIP 21776.

Fleet size

Drivers1

Trucks1

Last federal filing: May 2012. Source: FMCSA.

Strong market, crowded fieldArea profitability for concrete and masonry in ZIP 21776

Housing demand71

Sales pace, new listings and new construction. Source: Zillow

Customer spending power89

Household income and home values

Room for another company25

More crowded than 75% of US ZIPs

Scored against every US ZIP. An index of local conditions, not this company's results.

County context

One of 32 concrete and masonry companies in Carroll County, MD.

207 general contractors in Carroll County, MD.

All 462 construction companies in Carroll County, MD.

ZIP 21776 at a glance

Population: 6,261 (68 per sq mi)
Median age: 44
Households: Median income $133,409 · 64% earn six figures
Housing: 93% owner-occupied
Workforce: 68% labor-force participation · 7.7% unemployment

ZIP figures are US Census estimates for the ZIP area, not the company.

Housing market around ZIP 21776

Figures describe the local area, not this company.

Typical home value$482,000+1.0% past year · +53% in 10 years

12-month value outlook+0.6%Roughly flat

Days to sale agreement16Baltimore metro · 14 a year ago

New homes permitted, 2025153Carroll County

Listings with a price cut30.2%Baltimore metro

Sale price vs list100.1%Baltimore metro

New construction sales122Baltimore metro, Aug · −37% from last year

Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.

Typical home value, last 10 years

Source: Zillow Home Value Index, Sep 2026.

Local building angle: Carroll County permitted 153 new homes in 2025. 15% of the homes in this ZIP were built since 2000.

Local figures are estimates from public records and Zillow housing data, updated regularly.