Spec Construction Inc
Construction company in Ontario, CA 91761
About this company
Spec Construction Inc is listed as a construction company at 1870 S Carlos Ave in Ontario, California, in San Bernardino County. It is one of 95 general contractors in ZIP 91761.
Other construction companies nearby
EC Cabinets10751 Rose Ave, Ontario
0.2 mi(626) 548-3730
Filtros Alcalinos128 N Palm Ave, Ontario
0.3 mi(909) 212-3647
Rico120 W B St, Ontario
0.3 mi(909) 986-3200
Cash Grading Contractors555 W State St, Ontario
0.3 mi(909) 983-8380
Power Construction Builders95 W Holt Blvd, Ontario
0.4 mi(951) 733-6944
Housing market around ZIP 91761
Figures describe the local area, not this company.
Typical home value$679,000−1.0% past year · +82% in 10 years
Typical rent$2,587+2.6% past year
12-month value outlook0.0%Roughly flat
New homes permitted, 20256,240San Bernardino County
Days to sale agreement31Riverside metro · 37 a year ago
Listings with a price cut24.0%Riverside metro
Sale price vs list99.1%Riverside metro
New construction sales482Riverside metro, Aug · −14% 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: San Bernardino County permitted 6,240 new homes in 2025, including 2,349 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.