We love building structures and enjoy building relationships even more! Fonseca Handiwork is a firm that defines our success as a measure of the relationships we create. Our clients, contractors, vendors and employees make up a trusted community built upon a foundation of exceptional service, constant communication, transparency and an unconditional commitment to success. Fonseca Handiwork is a preeminent full service commercial construction firm headquartered in La Puente, CA 91744 . With a team of 20+ construction professionals, Fonseca Handiwork utilizes the latest in technology and embraces best practices in project management to deliver award- winning results.