Trusted Property Maintenance Across Southern California
Janssen Commercial Services is a privately held commercial property maintenance company proudly serving the Southern California region. Our philosophy is simple: PROMISES MADE. PROMISES KEPT.
With over 100 years of combined experience, our team has held supervisory, management, administrative, and ownership roles across every facet of the industry. Our extensive expertise includes Class A, B, and C office buildings, retail and
lifestyle centers, schools, medical facilities, and industrial complexes, with service areas ranging from Santa Barbara to the San Diego border and extending into Coachella Valley. We are equipped to handle properties, projects, and challenges of any scale.
Principals
Meet the people behind the promise. Our leadership team brings decades of hands-on experience and a deep commitment to client relationships, quality service, and operational excellence. We’re not just managing properties—we’re building trust, one partnership at a time.
Jez Janssen
Principal
Maria Janssen
Principal
Company Values
1. Communication
Our quick response times make your life easier. Whether by email, phone call, or text message, your account executive will communicate effectively to ensure you receive the best service for your property.
2. Bundled Services
By consolidating your services with us, we help you achieve cost savings.
3. Relationship
It’s not just business — it’s a relationship. Your dedicated account executive takes the time to get to know you, your property, and, most importantly, your priorities. With a single point of contact, you won’t need to navigate multiple channels to get what you need. By building strong relationships, we work with you to maintain your budget and keep your properties to the highest
standards.
4. Value
We understand this is a price-conscious industry. We are willing to work with you to meet your budget and goals without compromising quality or service.
5. Innovation
With our multi-level support team, we develop creative solutions to support your commercial
property.