PROUDLY SERVING

San Mateo County

Trusted Lumber & Building Materials for San Mateo County

Your Source for Quality Lumber & Building Materials in San Mateo County

O.K. Lumber Co. is proud to serve contractors, builders, and homeowners across San Mateo County with the same quality products, dependable service, and trusted expertise we’ve provided to the Bay Area for generations. From rough lumber to premium building materials, we stock everything you need — and deliver it to your job site fast.

With a professional team ready to help and one of the Bay Area’s largest lumber inventories, we’re San Mateo County’s go-to for reliable building supplies.

A person on a yellow forklift lifting wooden planks at an outdoor hardware store during sunset.

We provide fast delivery and dependable supply to:

Redwood City

•

San Mateo

•

Daly City

•

Pacifica

•

Burlingame

•

South San Francisco

•

Millbrae

•

Foster City

•

Hillsborough

•

Redwood City • San Mateo • Daly City • Pacifica • Burlingame • South San Francisco • Millbrae • Foster City • Hillsborough •

No matter where your project is in San Mateo County, we’re ready to keep it moving.

Lumber & Building Materials for Every Job

  • Black and white sketch of a stack of four wooden planks with visible wood grain and edges.

    Quality Lumber Supply

  • Black and white line drawing of a semi-truck.

    Job Site Delivery Across San Mateo County

  • Black and white sketch of a vintage meat grinder with a hand crank and a large wheel.

    Custom Milling Services

  • Black and white pencil sketch of a wooden fence panel with two vertical posts and crisscrossed horizontal and diagonal rails.

    Fencing, Decking, Hardware & More

Your San Mateo County Lumber Experts

As one of the Bay Area’s most established, family-owned lumber companies, O.K. Lumber Co. has built a reputation on quality products and knowledgeable service. Our Professional team can answer your construction questions, help load your vehicle, or coordinate job site deliveries — saving you time and keeping your project on schedule.

We stock everything from essential framing lumber to specialty materials, hardware, tools, and decking supplies.

Marina with boats and yachts in front of a city skyline with tall buildings under a clear blue sky, with palm trees and grassy area in the foreground in San Diego.
Person loading wooden planks into the back of a pickup truck outdoors.

Explore Our San Mateo County Product Selection

    • Douglas Fir (Green & Dry)

    • Redwood (Rough, Dry, S4S)

    • Pressure Treated & Advantage Pine

    • Engineered Lumber

    • Concrete & Concrete Hardware

    • Insulation, Flashing & Vapor Barriers

    • Roofing & Aluminum Railing

    • Expanded Metal Lath & Stucco Netting

    • Fencing Supplies & Wire Fencing

    • Premium Decking Materials

    • Molding & Trim Options

    • Corbels, Dado, and More

    • Power Tools & Hand Tools

    • Nails, Bolts, Anchors & Fasteners

    • Simpson Hardware & Structural Solutions

    • Clearance Rack Deals

Seasoned Experts,

Ready to Help

Need help finding the right materials?

Visit Us

O.K. Lumber Co.

1061 Howard Ave.,
San Carlos, CA 94070

Hours
Monday–Friday
7am–4pm

Phone
(650) 593-8041

Email
info@oklumber.com

 

Why Choose O.K. Lumber Co.?

Aerial view of a coastal city with homes and buildings on cliffs overlooking the ocean with waves and cloudy sky.
Stacked wooden planks arranged in a stepped formation against a clear blue sky.

1. Local Experience

Proudly serving the Bay Area for four generations

A woodworking drill press carving into a piece of wood, with wood shavings around it.

2. Trusted Products

Stocking the highest-quality lumber and building materials

Two men wearing hats and sunglasses sitting in a golf cart outdoors, smiling at the camera.

3. Custom Services

On-site milling and specialy product sourcing

4. Customer First

Helpful, knowledgeable staff ready to assist

Let’s Get Your San Mateo County Project Started

Contact O.K. Lumber Co. today for expert advice, dependable delivery, and quality materials that help get the job done right.

Call: (650) 593-8041

Email: info@oklumber.com

Or visit our San Carlos location to explore our extensive product selection in person.

1061 Howard Ave.,
San Carlos, CA 94070

Outdoor lumber yard with stacks of wood and construction materials on gravel and dirt ground under an overcast sky.