RES Construction
RES Construction is based in Upland and works on residential, commercial and industrial projects. Founded in 1985, it provides contracting services throughout Southern California.
Business Highlights
- RES Construction lists license #474535.
- Ralph Schonian has been a licensed contractor since 1985.
Service Area
Southern California.
Taking calls through ProsGrade. RES Construction is one of 6 renovation contractors ProsGrade lists in Upland, California.
11 services listed, including Custom homes, Room additions and Remodeling. Open Monday to Saturday. Rated 5.0 from 4 reviews.
- Verified listing details
- Service information
- Customer review signals
- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How RES Construction compares with the other 5 renovation contractors on ProsGrade in Upland, using public Google ratings and review counts.
- Rated 5.0 on Google, at or above the 5.0 average of other Upland renovation contractors on ProsGrade.
Services Covered
11 services- Custom homes
- Room additions
- RemodelingKitchen remodels and expansions
- ADUs and detached structures
- Outdoor living spaces
- Design/buildPlans and engineering
- Industrial food facilities
- Industrial machine shops
- Commercial buildings
- Commercial tenant improvements
- Commercial kitchen specialist
Reviews
What customers say
Customers praise the workmanship and communication; two describe projects completed on time, and a tenant-improvement customer says those projects were also under the original estimate. A kitchen-remodel customer describes daily cleanup and says Ralph explained the scope and added material and labor costs when the customer made additional requests.
Customer Reviews
alan dennis
Brett Woods
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Frequently Asked Questions
How does RES Construction document project costs?
It provides a fixed-cost estimate with an itemized breakdown; the scope of work specifies cost line items and the exact materials and products to be used.
Does RES Construction set a project completion date?
Its planning includes a construction schedule with a completion date.
What happens after a RES Construction project is completed?
The completion process includes warranty and follow-up service.
How are RES Construction projects supervised?
Its process includes constant supervision with strict quality control and a clean, safe job site.








