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Molding’s Plus Inc

Ontario, California's trusted millwork supplier. Custom & stock moulding, doors, windows, trim. Serving contractors, builders & designers since day one.

Molding's Plus Inc millwork in Ontario, California — millwork, moulding, and architectural woodwork

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Products & Services
✓ Custom millwork fabrication✓ Stock moulding profiles✓ Interior doors✓ Exterior doors✓ Window units✓ Baseboards and trim✓ Crown moulding✓ Stair parts and components✓ Architectural columns✓ Paint-grade poplar millwork✓ Stain-grade hardwood millwork✓ Historic millwork reproduction

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About Molding’s Plus Inc — Millwork in Ontario

Molding’s Plus Inc serves as Ontario, California’s premier millwork specialist, providing comprehensive architectural woodwork solutions to homebuilders, remodelers, contractors, architects, and interior designers. Located at 1856 S Grove Ave, this established building materials store has built a reputation for delivering quality millwork products and expert guidance to professionals throughout the Inland Empire.

The company offers an extensive selection of millwork products including custom and stock moulding, interior and exterior doors, windows, trim, casings, baseboards, stair parts, columns, and specialized architectural millwork. Whether you need paint-grade poplar for modern applications or stain-grade hardwoods like oak, maple, or cherry for traditional projects, Molding’s Plus maintains inventory to meet diverse project requirements.

Unlike big box retailers that focus on generic, mass-produced options, Molding’s Plus specializes in both standard profiles and custom millwork fabrication. Their knowledgeable staff understands the nuances between different wood species, can recommend appropriate grades for specific applications, and provides the technical expertise that construction professionals rely on for successful project completion.

Ontario’s thriving construction market, driven by both residential growth and commercial development in the Inland Empire, creates strong demand for quality millwork suppliers. The city’s mix of new construction and historic renovation projects requires suppliers who can handle everything from contemporary profiles to period-appropriate reproduction millwork, making specialized expertise invaluable.

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Location & Directions

Molding’s Plus Inc

1856 S Grove Ave, Ontario, CA 91761

What to Expect When You Visit

Visiting Molding’s Plus Inc, you’ll find a well-organized showroom displaying various moulding profiles, door styles, and millwork samples that allow you to see and feel the quality before ordering. The staff typically maintains extensive catalogs and can show you different wood species, stain samples, and profile options to help visualize how products will look in your specific application.

Expect knowledgeable consultation about wood movement, proper installation techniques, and finishing recommendations. The team can discuss lead times for custom work, minimum quantities for special orders, and coordinate delivery schedules to align with your project timeline, ensuring materials arrive when your crew is ready to install.

Products & Materials

Molding’s Plus Inc stocks a comprehensive range of millwork products in multiple wood species including poplar, pine, oak, maple, cherry, and mahogany. Their moulding selection covers everything from basic ranch base and casing to elaborate crown moulding profiles, chair rails, picture moulding, and specialty architectural details for high-end residential and commercial projects.

Door inventory includes both interior and exterior options, from standard hollow core and solid core interior doors to custom solid wood and architectural doors with various panel configurations. Window products range from standard casement and double-hung units to custom architectural windows designed to match specific building styles or historic specifications.

Stair components represent another specialty area, with newel posts, balusters, handrails, and treads available in multiple wood species and profiles. For contractors working on custom homes or renovations, they can source specialty items like corbels, brackets, rosettes, and other decorative millwork elements that complete the architectural vision.

Who Shops Here

Molding’s Plus Inc primarily serves construction professionals including general contractors, trim carpenters, cabinet makers, and millwork installers who need reliable access to quality materials and custom fabrication services. Architects and interior designers also frequent the showroom when specifying millwork for residential and commercial projects, while serious DIY homeowners undertaking major renovations appreciate the expert guidance and professional-grade products available.

Serving the Ontario, California Area

Ontario’s position in the heart of the Inland Empire places it at the center of Southern California’s construction boom, with new residential developments, commercial projects, and renovation work creating steady demand for quality millwork. The city’s mix of architectural styles, from Spanish Colonial Revival to contemporary designs, requires millwork suppliers who can provide both traditional profiles and modern solutions, making specialized knowledge and diverse inventory essential for serving this dynamic market.

Tips for First-Time Buyers

  • Bring architectural drawings or photos of existing trim profiles when seeking matches for renovation work
  • Ask to see samples of different wood grades to understand the cost-quality relationship for your specific application
  • Inquire about lead times for custom millwork early in your project planning process
  • Request information about wood movement and seasonal considerations for your specific installation location
  • Consider ordering extra material for future repairs, especially for custom profiles that may not be readily available later
  • Ask about proper storage and acclimation procedures to prevent warping or damage before installation

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Woodworking Clubs & Resources near Ontario, California

The Inland Empire Woodturners, a local chapter of the American Association of Woodturners, serves the Ontario area with regular meetings and demonstrations for turning enthusiasts. Mt. San Antonio College in nearby Walnut offers woodworking classes through their continuing education program, providing access to well-equipped shops and professional instruction. Additionally, the Woodcraft store in Pasadena, though a bit of a drive, offers classes, tools, and supplies for woodworkers throughout the greater Los Angeles region including Ontario.

Find a local woodworking guild →  ·  Find an AAW chapter →

Frequently Asked Questions

Does Molding’s Plus Inc serve contractors throughout Ontario and the Inland Empire?

Yes, Molding’s Plus Inc serves contractors, builders, and design professionals throughout Ontario, Rancho Cucamonga, Upland, and the broader Inland Empire region. Their location on S Grove Ave provides convenient access for contractors working on projects across San Bernardino County.

What’s the typical lead time for custom millwork orders?

Lead times for custom millwork vary depending on the complexity of the profile and current production schedule, typically ranging from 2-6 weeks for standard custom work. Complex architectural reproductions or specialty species may require longer lead times, so it’s best to discuss timing early in your project planning process.

How do I choose between paint-grade and stain-grade millwork?

Paint-grade millwork uses species like poplar that accept paint well and cost less, making it ideal for painted applications where wood grain won’t show. Stain-grade millwork features attractive wood species like oak or maple that showcase natural grain patterns, but costs more and requires careful selection for consistent appearance.

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Don't Overpay For Your Next Project!
2026 Hardwood Lumber Price Report Current prices per board foot for walnut, oak, maple, cherry & more — updated for 2026.
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