R E Harrington Plumbing & Heating Inc

HVAC contractor in Baltimore, MD 21211

About this company

R E Harrington Plumbing & Heating Inc is listed as an HVAC contractor based in Baltimore, Maryland, in Baltimore County. Federal motor carrier records list 20 drivers and 39 trucks for the company. It is one of 2 HVAC companies in ZIP 21211.

Other HVAC companies nearby

Apollo Plumbing & Heating3678 Falls Rd, Baltimore

(410) 243-0058

Fleet size

Drivers20

Trucks39

Last federal filing: Jan 2025. Source: FMCSA.

Moderate market, balanced fieldArea profitability for HVAC in ZIP 21211

Housing demand55

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

Customer spending power64

Household income and home values

Room for another HVAC company38

More crowded than 62% of US ZIPs

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

County context

One of 144 HVAC companies in Baltimore County, MD.

1,081 general contractors in Baltimore County, MD.

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

ZIP 21211 at a glance

Population: 14,969 (2,016 per sq mi)
Median age: 38
Households: Median income $82,828 · 41% earn six figures
Housing: 60% owner-occupied
Workforce: 74% labor-force participation · 3.3% unemployment

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

Housing market around ZIP 21211

Figures describe the local area, not this company.

Typical home value$278,000−1.8% past year · +37% in 10 years

Typical rent$2,159+4.7% past year

12-month value outlook+0.2%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.