Interstate Corporation

Roofing contractor in Gaithersburg, MD 20877

About this company

Interstate Corporation is listed as a roofing contractor based in Gaithersburg, Maryland, in Montgomery County. Federal motor carrier records list 3 drivers and 13 trucks for the company. It is one of 15 roofing companies in ZIP 20877.

Other roofers nearby

Aquabarrel LLC554 N Frederick Ave, Gaithersburg

(240) 307-4771

Capon Cleaning Contractors Inc.211 Perry Pkwy Ste 3, Gaithersburg

(301) 657-1744

CPS Roofing Co. Inc.8 Brookes Ave Ste 103, Gaithersburg

(301) 675-0340

Dream Exterior8401 Helgerman Ct, Gaithersburg

(301) 615-1000

Eagle Contractors LLC101 Water St, Gaithersburg

(240) 806-8746

Fleet size

Drivers3

Trucks13

Last federal filing: Jul 2025. Source: FMCSA.

Strong market, crowded fieldArea profitability for roofing in ZIP 20877

Housing demand67

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

Customer spending power80

Household income and home values

Room for another roofer12

More crowded than 88% of US ZIPs

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

County context

One of 154 roofing companies in Montgomery County, MD.

992 general contractors in Montgomery County, MD.

All 1,757 construction companies in Montgomery County, MD.

ZIP 20877 at a glance

Population: 38,546 (2,638 per sq mi)
Median age: 37
Households: Median income $92,800 · 48% earn six figures
Housing: 43% owner-occupied
Workforce: 70% labor-force participation · 6.2% unemployment

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

Housing market around ZIP 20877

Figures describe the local area, not this company.

Typical home value$468,000−1.9% past year · +46% in 10 years

Typical rent$2,051+1.5% past year

12-month value outlook+0.2%Roughly flat

New homes permitted, 20251,411Montgomery County

Days to sale agreement19Washington metro · 17 a year ago

Listings with a price cut29.4%Washington metro

Sale price vs list99.7%Washington metro

New construction sales489Washington metro, Aug · −24% 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 roofing angle: 2,076 homes in this ZIP, 15% of the total, were built from 2000 to 2009, so they are now 17 to 26 years old. Only 39% were built before 1980.

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