MJ Build
General contractor in Columbia, MD 21045
About this company
MJ Build is listed as a general contractor at 5457 Twin Knolls Rd in Columbia, Maryland, in Howard County. It is one of 25 general contractors in ZIP 21045.
Other construction companies nearby
R Taylor Properties5457 Twin Knolls Rd, Columbia
Under 0.1 mi(443) 292-5660
National Tenant Construction5501 Twin Knolls Rd, Columbia
0.1 mi(410) 964-0101
Helping Hands5430 Vantage Point Rd Ste C, Columbia
0.7 mi(410) 715-3053
Huddles Jones Sorteberg10211 Wincopin Cir, Columbia
0.8 mi(301) 621-4120
Costello Construction10211 Wincopin Cir, Columbia
0.8 mi(410) 740-9500
Housing market around ZIP 21045
Figures describe the local area, not this company.
Typical home value$476,000+0.5% past year · +48% in 10 years
Typical rent$2,252+4.5% past year
12-month value outlook+0.3%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. 6% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.