Heidelberg Materials, Cement
General contractor in Baltimore, MD 21224
About this company
Heidelberg Materials, Cement is listed as a general contractor at 3100 Mertens Ave in Baltimore, Maryland, in Baltimore County. It is one of 77 general contractors in ZIP 21224.
Other construction companies nearby
Lehigh Cement Company3100 Mertens Ave, Baltimore
Under 0.1 mi(410) 276-7707
Sharkys Construction1700 S Haven St Ste 1, Baltimore
0.8 mi(410) 327-0000
Whiting Turner1519 S Clinton St, Baltimore
0.8 mi(410) 276-3828
Matos Builders1501 S Clinton St, Baltimore
0.9 mi(443) 869-3394
National Gypsum Co.2301 S Newkirk St, Baltimore
0.9 mi(410) 631-4900
Housing market around ZIP 21224
Figures describe the local area, not this company.
Typical home value$233,000−2.9% past year · +31% in 10 years
Typical rent$2,162+4.5% past year
12-month value outlook0.0%Roughly flat
New homes permitted, 2025543Baltimore 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 543 new homes in 2025, including 289 apartment units. 12% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.