Henry J Knott Masonry Inc

Concrete and masonry contractor in Towson, MD 21204

About this company

Henry J Knott Masonry Inc is listed as a concrete and masonry contractor based in Towson, Maryland, in Baltimore County. Federal motor carrier records list 4 drivers and 2 trucks for the company. It is one of 1 concrete and masonry companies in ZIP 21204.

Fleet size

Drivers4

Trucks2

Last federal filing: Apr 2026. Source: FMCSA.

Strong market, balanced fieldArea profitability for concrete and masonry in ZIP 21204

Housing demand78

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

Customer spending power85

Household income and home values

Room for another company44

More crowded than 56% of US ZIPs

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

County context

One of 92 concrete and masonry companies in Baltimore County, MD.

1,081 general contractors in Baltimore County, MD.

All 2,063 construction companies in Baltimore County, MD.

ZIP 21204 at a glance

Population: 19,845 (1,224 per sq mi)
Median age: 35
Households: Median income $99,606 · 50% earn six figures
Housing: 46% owner-occupied
Workforce: 62% labor-force participation · 3.8% unemployment

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

Housing market around ZIP 21204

Figures describe the local area, not this company.

Typical home value$591,000+2.6% past year · +41% in 10 years

Typical rent$1,943+0.4% past year

12-month value outlook+0.6%Roughly flat

New homes permitted, 20251,531Baltimore County

Days to sale agreement16Baltimore metro · 14 a year ago

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: Baltimore County permitted 1,531 new homes in 2025, including 379 apartment units. 24% of the homes in this ZIP were built since 2000.

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