Business Details
35 Years
experience
Trusted Window & Door Replacement Experts in Los Alamitos
Seaport Windows and Doors has been a trusted name in the window and door replacement industry since 1991. Founded on the principles of quality craftsmanship and customer satisfaction, we specialize in providing tailored solutions for homeowners seeking durable and aesthetically pleasing window and door systems. Our family-owned business prioritizes personalized service, ensuring every project aligns with the client's unique needs, budget, and design preferences. With over 32 years of experience in Los Alamitos, CA, we have built a reputation for excellence through meticulous attention to detail and the use of premium materials. Our team of certified professionals is committed to delivering energy-efficient, long-lasting installations that enhance property value and comfort.We stand by our work with comprehensive warranties and post-installation support, ensuring peace of mind for every client. Our dedication to innovation and sustainability keeps us at the forefront of industry advancements, offering cutting-edge products like bi-folding doors and skywalls. By fostering long-term relationships with clients and maintaining transparency throughout every project, we have earned the trust of thousands of satisfied homeowners. Our processfrom free in-home consultations to final walkthroughsis designed to minimize disruption while maximizing results. Whether replacing a single window or undertaking a full exterior transformation, Seaport Windows and Doors remains your dedicated partner for all window and door needs.
Services
Window Replacement
Door Installation
Bi-Folding Doors
Exterior Siding
Skywalls Installation
Entry Door Replacement
Custom Window Solutions
Energy-Efficient Windows
Patio Doors
Exterior Renovations
Details
- Year established: 1991
Highlights and features
- 32 years of experience in window and door replacement since 1991
- Personalized solutions tailored to your budget and design preferences
- Use of premium materials like GRK fasteners and Sherwin-Williams paint
- Dedicated crews for uninterrupted, high-quality installations
- Comprehensive warranties and post-installation support
What people say
Exceptional customer service
Flawless installations
Detailed explanations
Daily cleanup
Competitive pricing
Services
Window Replacement
Our window replacement service combines energy-efficient designs with precise installation techniques to enhance comfort and reduce utility costs. We offer a wide range of styles and materials, including vinyl, fiberglass, and wood, tailored to match your home's architecture. Each installation includes GRK fasteners, HILTI foam, and Sherwin-Williams paint for lasting durability and aesthetic appeal.
Bi-Folding Doors
Transform your living space with our bi-folding doors that seamlessly connect indoor and outdoor areas. Constructed with Brio hardware and weather-resistant materials, these systems provide unobstructed views while maintaining energy efficiency and security through advanced sealing technologies.
Exterior Siding
Revitalize your home's curb appeal with our exterior siding solutions using low-maintenance composites and weather-resistant materials. We integrate new windows and doors into comprehensive redesigns, enhancing both aesthetics and structural integrity while improving energy performance.
Entry Door Installation
Upgrade your home's entrance with custom entry doors featuring secure, weatherproof installations. We offer fiberglass, wood, and steel options with specialized hardware, ensuring durability and enhanced security while complementing your home's architectural style.
Skywalls Installation
Introduce natural light and panoramic views with our Skywalls systems. These large glass panels are engineered for structural integrity and thermal efficiency, creating open, inviting spaces that blend seamlessly with outdoor environments through precision installation techniques.
People
Alex D. Herrera
Founder and President
With 45 years in construction and 32 years leading Seaport, Alex is a respected industry expert. A USC graduate and water ski racing champion, he brings technical expertise and a customer-first philosophy to every project.
Tara Christopher
Business Manager
Tara has managed operations at Seaport since 2013, leveraging over two decades of business management experience to ensure smooth project execution and client satisfaction.
Questions
What materials are used in your ULTIMATE Bi-Folding Door system?
We use Brio hardware, Azek vinyl jambs, Plaspro fiberglass panels, Schlegal weatherstripping, and Novagard sealants for durability.
How do you protect homes during installation?
We cover floors with Red Resin paper, use carpet runners, and employ painters plastic to protect furnishings throughout the process.
What choices are needed for bi-folding doors?
Select size, swing orientation, panel count, screen options, sill height, and color to customize your system.
How do you handle post-installation service?
We coordinate factory service and remain involved until all issues are resolved to your satisfaction.
What trim options do you offer?
We provide painted mitered trims or upgraded jamb extensions—never 'lick and stick' vinyl trims.
