Harmony Builders
General contractor in Ellicott City, MD 21042
About this company
Harmony Builders is listed as a general contractor at 4228 Columbia Rd in Ellicott City, Maryland, in Howard County. It is one of 25 general contractors in ZIP 21042.
Other construction companies nearby
DY Construction4022 Zuni Ct, Ellicott City
0.5 mi(410) 465-0671
Oldtown Construction5304 Dorsey Hall Dr, Ellicott City
0.8 mi(410) 730-3725
Orchard Development5032 Dorsey Hall Dr, Ellicott City
0.9 mi(410) 964-2334
Mimosa Kitchen And Bath3570 Saint Johns Ln, Ellicott City
1.2 mi(410) 480-4100
JMH Contracting LLC3694 Joycin Ct, Ellicott City
1.5 mi(410) 794-6518
Housing market around ZIP 21042
Figures describe the local area, not this company.
Typical home value$797,000+1.5% past year · +42% in 10 years
Typical rent$2,929−0.9% past year
12-month value outlook+0.6%Roughly flat
New homes permitted, 2025728Howard 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: Howard County permitted 728 new homes in 2025, including 379 apartment units. 23% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.