Efficient Engineering Construction

Construction company in Rowland Heights, CA 91748

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About this company

Efficient Engineering Construction is listed as a construction company at 18645 Mescal St in Rowland Heights, California, in Los Angeles County. It is one of 25 general contractors in ZIP 91748.

Other construction companies nearby

Alex La Construction2315 Los Padres Dr, Rowland heights

0.1 mi(909) 745-9000

BaiAn Construction/Design2105 Los Padres Dr, Rowland Heights

0.4 mi(626) 363-5181

Imran Heating and Air Conditioning2040 Sierra Leone Ave, Rowland Heights

0.4 mi(626) 890-7558

Genesis General Contractor2517 Batson Ave, Rowland Heights

0.5 mi(626) 244-5967

BH Remodeling18351 Colima Rd, Rowland Heights

0.9 mi(626) 228-9714

Strong market, open fieldArea profitability for construction in ZIP 91748

Housing demand65

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

Customer spending power81

Household income and home values

Room for another contractor64

Less crowded than 64% of US ZIPs

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

County context

One of 5,413 general contractors in Los Angeles County, CA.

1,057 roofing companies in Los Angeles County, CA.

All 11,199 construction companies in Los Angeles County, CA.

ZIP 91748 at a glance

Population: 42,463 (1,157 per sq mi)
Median age: 46
Households: Median income $83,428 · 43% earn six figures
Housing: 67% owner-occupied
Workforce: 60% labor-force participation · 5.8% unemployment

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

Housing market around ZIP 91748

Figures describe the local area, not this company.

Typical home value$946,000+0.8% past year · +64% in 10 years

Typical rent$2,390+14.1% past year

12-month value outlook+1.3%

New homes permitted, 202522,250Los Angeles County

Days to sale agreement26Los Angeles metro · 28 a year ago

Listings with a price cut24.4%Los Angeles metro

Sale price vs list99.9%Los Angeles metro

New construction sales217Los Angeles metro, Aug · +5% 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: Los Angeles County permitted 22,250 new homes in 2025, including 10,633 apartment units. 3% of the homes in this ZIP were built since 2000.

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