Seaport Windows and Doors

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Seaport Windows and Doors The Replacement Window Center Seaport Windows and Doors is the right choice for replacement window and door services in Southern California.

Our knowledgeable team is here to help you find the best products for your need and budget. Located in Los Alamitos, CA, we service homeowners throughout the surrounding area including Long Beach, Seal Beach, Cypress, Newport Beach, Tustin, Anaheim Hills, Laguna Beach, and many more cities. Our goal is to offer complete fulfillment to each of our customers, from the first conversation through installation and beyond. Our customer service, expertise, quality products, and professional installation is second to none. Let our 45 years of general construction experience guide you in designing and selecting the right products for your home. Call us today at (714) 220-3939 for your free in-home consultation!

Did the recent rain we got expose a window leak in your house?Let’s get it fixed before the bigger storms get here!Call ...
10/14/2026

Did the recent rain we got expose a window leak in your house?
Let’s get it fixed before the bigger storms get here!

Call us today for a FREE estimate for window replacement!
714-220-3939

09/24/2026

Some more kind words from a recent customer✨

Your garage entry door deserves an upgrade, too. 🚪✨It’s more than just a door—it’s an important barrier between your gar...
09/17/2026

Your garage entry door deserves an upgrade, too. 🚪✨

It’s more than just a door—it’s an important barrier between your garage and your home. Upgrade for improved fire safety, security, energy efficiency, and a fresh, finished look.

Ready to upgrade your garage entry? Let’s find the right door for your home.
📲 Call us today for a FREE in-home estimate!

We recently updated this entry door in Westminster🚪We installed this traditional white fiberglass door. The door has thr...
09/10/2026

We recently updated this entry door in Westminster🚪

We installed this traditional white fiberglass door. The door has three tall panels in the lower portion and rectangle decorative glass with texture on the top portion. The glass allows natural light in but helps the homeowner keep some privacy. The door has silver hardware and a electric keypad allowing for keyless emtry

Ready for a new entry door? Call us today for a FREE estimate! Mention “beautiful entry” to receive our best pricing

Your side doors are just as important as your front door and back door!🚪At this home in Los Alamitos, we installed a new...
09/08/2026

Your side doors are just as important as your front door and back door!🚪

At this home in Los Alamitos, we installed a new side entry door off the kitchen and a door leading to the back yard from the bathroom.

Need to upgrade your side doors? Give us a call for a FREE in home estimate!

Kind words from a recent customer👏🏻Call today to schedule your FREE in home estimate!
09/03/2026

Kind words from a recent customer👏🏻

Call today to schedule your FREE in home estimate!

We updated the windows and doors on the house in Long Beach, with windows and doors from the Jeld Wen “Custom Collection...
01/21/2026

We updated the windows and doors on the house in Long Beach, with windows and doors from the Jeld Wen “Custom Collection” and finished it with a custom paint job.
The front door was replaced with an 8’ fiberglass door with single lite v***r glass and a matching sidelite.

We have lots of options to fit any home and bring your dream to life! Contact us today and let us upgrade your home

This simple yet beautiful entry door was recently installed in Los Alamitos. We replaced the homeowners door from the 80...
01/14/2026

This simple yet beautiful entry door was recently installed in Los Alamitos. We replaced the homeowners door from the 80’s with the more timeless door. Replacing old entry doors can increase your homes value instantly:

🔺improves curb appeal
🔺raises perceived value
🔺increases energy efficiency
🔺improves security
🔺possible return on investment

Contact us today for a free estimate and let’s increase your homes value!
📞: 714-220-3939
📧: [email protected]

Another Bi-Fold Door Complete!🌴8 days from start to finish to complete this project. The perfect way to upgrade your hom...
12/19/2025

Another Bi-Fold Door Complete!🌴

8 days from start to finish to complete this project. The perfect way to upgrade your home and open your space! Contact us today for a free estimate!

Day 6 & 7 of Bi-Fold Installation🌴The painter has come in and painted both the inside & outside. We are getting closer t...
12/17/2025

Day 6 & 7 of Bi-Fold Installation🌴

The painter has come in and painted both the inside & outside. We are getting closer to getting the bi-fold out in!

Address

4201 Katella Avenue
Los Alamitos, CA
90720

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+17142203939

Website

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