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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, energy-efficient products. Our team of experienced professionals is committed to delivering seamless installations and personalized service, ensuring every project meets the unique needs of our clients. With over three decades of local expertise, we have built lasting relationships through transparent communication and meticulous attention to detail.

Our focus on using premium materials and advanced installation techniques guarantees long-term performance and aesthetic enhancement for every home. We pride ourselves on maintaining a family-owned ethos, where client trust and satisfaction remain our highest priority. From initial consultation to final installation, we strive to make the process efficient and stress-free, backed by comprehensive warranties and ongoing support.
Services
Replacement Windows Patio Doors Bi-Folding Doors Entry Doors Exterior Siding Window Installation Door Installation Custom Solutions Energy-Efficient Upgrades Home Value Enhancements
Details
  • Year established: 1991
Highlights and features
  • We offer 32 years of local expertise in window and door replacements.
  • Our installations use premium materials for long-term durability and energy efficiency.
  • We provide personalized consultations to match products with individual budget and needs.
  • Our team maintains transparent communication throughout every project phase.
  • We guarantee complete manufacturer warranties and post-installation support.
What people say
Seamless installation Professional crew Excellent service Perfect results Knowledgeable staff
Services
Replacement Windows
Upgrade your home with energy-efficient replacement windows designed to enhance aesthetics and functionality. Our solutions improve insulation, reduce noise, and increase property value. Expert installation ensures precise fitting and long-term performance using premium materials like vinyl, wood, and fiberglass.
Bi-Folding Doors
Transform your living space with seamless bi-folding doors that merge indoor and outdoor areas. These modern systems offer unobstructed views, durable construction, and smooth operation. Ideal for patios and entertainment areas, they combine style with practical energy efficiency.
Entry Doors
Enhance curb appeal and security with custom entry doors tailored to your home's architecture. Available in wood, steel, and fiberglass, our doors provide superior insulation and durability while elevating your property's visual impact.
Patio Doors
Improve accessibility and natural light with durable patio doors engineered for smooth operation. Options include sliding, hinged, and multi-panel systems, all designed to withstand coastal climates while maintaining energy efficiency.
Custom Solutions
Address unique architectural challenges with bespoke window and door solutions. Our team specializes in non-standard sizes, historic home restorations, and complex configurations while maintaining structural integrity and aesthetic harmony.
People
Alex D. Herrera
Founder and President
With 45 years of construction experience and 32 years leading Seaport Windows and Doors, Alex combines industry expertise with a commitment to quality. A USC graduate, he oversees operations while maintaining hands-on client engagement.
Tara Christopher
Business Manager
Tara brings over 20 years of business management experience to Seaport Windows and Doors. Since joining in 2013, she ensures operational efficiency while maintaining the company's customer-centric approach.
Questions
What types of windows and doors do you offer?
We provide replacement windows, bi-folding doors, entry doors, patio doors, and exterior siding solutions tailored to individual needs.
How long have you been in business?
We've served Los Alamitos since 1991, combining 32 years of local experience with 45 years of construction expertise.
Do you service areas outside Los Alamitos?
Yes, we serve Long Beach, Seal Beach, Cypress, Huntington Beach, and surrounding Orange County communities.
What makes your installation process unique?
We prioritize quality over speed, using premium materials and providing full project transparency from consultation to completion.
Do you offer financing options?
Yes, we provide financing solutions to help homeowners invest in quality window and door replacements.
Reviews (5)
Gino Mascia
Jan 30, 2021 Report
THEY ARE A SCAM COMPANY THEY JUST DONT DO WHAT THEY SAY THERE GOIMG TO DO ( .BUYER BEWARE) AND THEY RIPPED ME OFF
Gino Mascia
Dec 04, 2020 Report
They do perfect work and the painter is a magician. If you get any windows or doors this is the place to go it's a no brainer
Harry Oei
May 19, 2019 Report
The window renovation worked out well. The only downside is that it took a little longer than expected, but in the end, the window looks great.
Russ Peterson
Sep 23, 2018 Report
Our doors were a special order that required a great deal of coordination. Crystal was phenomenal about dealing with the details. Peter did an outstanding job on installing them and making sure every detail was tended to with an expert 's eye. Alex was always available to answer questions and make sure that the project went smoothly.
Joni Alexis
Jun 12, 2018 Report
Terrible customer service. Extremely difficult to schedule repairs. They don't return phonecalls. I'm trying to be totally flexible and nice, cause I want my door repaired. Would Not use this company again. I'm happy for everyone with good reviews. Wish I could have done the same.