SZANCO INC · Southern California

Construction Services &Building Maintenance Solutions.Dependable Work.Practical Solutions.

SZANCO INC delivers construction and building maintenance services for residential and commercial properties across the Inland Empire and San Gabriel Valley, providing clear communication, organized planning, and quality workmanship.

Construction Services

Project support, property improvements, repairs, and construction work for residential and commercial properties.

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Building Maintenance Services

Property upkeep, corrective repairs, troubleshooting, and maintenance services that help keep your building operating properly.

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Architectural Coordination & Project Support

Need building plans? SZANCO INC works in tandem with an independent architect who can assist with building plans, design coordination, and permit-related documentation. Once plans are developed, we can help coordinate the construction scope and move the project forward.

SZANCO INC

About Dane Santibanez

Owner of SZANCO INC · Construction and maintenance service

With more than 13 years of experience in the construction and maintenance industry, I founded SZANCO INC to provide dependable, well-managed construction and property-maintenance services.

My background has given me practical experience supporting projects, coordinating work, maintaining building systems, and helping clients keep their properties operating properly.

Professional Experience

  1. Commercial / Industrial Electrician
  2. Project Management and Construction Administration
  3. Airport Maintenance Electrician
  4. Lead Electrician
  5. General Maintenance Supervisor
  6. Assistant Manager for General Maintenance Operations
  7. Maintenance Operations Manager for Passenger Boarding Bridges and Baggage Handling Systems

I founded SZANCO INC on February 28, 2023, initially providing construction-administration and project-support services. After receiving my contractor license on December 9, 2025, I expanded the company to directly provide construction and maintenance services.

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Maintenance services

Preventive & building systems support.

SZANCO INC provides preventive maintenance programs, electrical maintenance, and plumbing maintenance to help reduce unexpected repairs and keep your property operating properly. HVAC maintenance service is planned for the future.

Preventive maintenance, electrical maintenance, and plumbing maintenance are currently available. HVAC is coming soon.

Available now

Custom Preventive Maintenance Plans

Monthly maintenance programs tailored to your property, equipment, operations, needs, and budget—with inspections, task checklists, condition reports, and coordinated follow-up support.

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Available now

Apartment Work Order Support

Falling behind on apartment service calls? SZANCO INC helps property teams catch up on open work orders, unit-turn needs, common-area repairs, troubleshooting, and routine maintenance.

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Available now

Electrical Maintenance

Commercial and industrial electrical maintenance, repairs, troubleshooting, and improvement support for your property.

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Available now

Plumbing Maintenance

Plumbing maintenance, repairs, fixture service, and property support.

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Coming soon

HVAC Maintenance

Heating, ventilation, and air-conditioning maintenance and service support.

Where we work

Our service area.

Serving the Inland Empire and San Gabriel Valley from the 605 Freeway to the 15 Freeway, between the 10 and 210 Freeways, with extended service through the 57 corridor to Brea and communities along the 210-to-10 connection.

  • 605 to 15 Freeway corridor
  • 10 to 210 Freeway area, including communities along the 210-to-10 connection
  • 57 Freeway corridor to Brea
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Cities we serve

Local coverage across Southern California.

  • Azusa
  • Baldwin Park
  • Brea
  • Chino
  • Chino Hills
  • City of Industry
  • Claremont
  • Colton
  • Covina
  • Diamond Bar
  • Duarte
  • Fontana
  • Glendora
  • Hacienda Heights
  • Highland
  • Irwindale
  • La Puente
  • La Verne
  • Montclair
  • Ontario
  • Placentia
  • Rancho Cucamonga
  • Rialto
  • Rowland Heights
  • San Bernardino
  • San Dimas
  • South El Monte
  • Upland
  • Walnut
  • West Covina
  • Yorba Linda

Start your project

Let’s discuss the work.

Call, email, or send a request to SZANCO INC to discuss your construction, preventive maintenance, electrical maintenance, plumbing maintenance, apartment work-order support, or building-maintenance project and confirm service availability.

Business Address: 7377 Ruby Ct, Rancho Cucamonga, CA 91730

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