Keystone DCS Inc.

Keystone DCS Inc. Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Keystone DCS Inc., Construction Company, 17272 Newhope Street, Ste K, Fountain Valley, CA.

Keystone DCS provides three core products and services: development of real estate, construction for residential, commercial, and remodeling, and real estate services including investment opportunities financing, and property management.

✨Apolena | Balboa IslandShowcasing our brand-new modern Cape Cod custom home built by Keystone Coastal in 2024! Situated...
04/29/2026

✨Apolena | Balboa Island

Showcasing our brand-new modern Cape Cod custom home built by Keystone Coastal in 2024! Situated in a highly desirable location on Apolena Ave on Balboa Island. This stunning home features 3 bedrooms, including a large JADU, 4.5 baths, a spacious front patio with firepit, a gourmet kitchen with island, Thermador appliances, a primary suite with private balcony, a spectacular roof deck including covered loggia, as well as an elevator for all 3 levels. Located just a few doors from the South Bayfront, this home provides incredible views of Newport Bay, Pavilion, and Fashion Island. This thoughtfully-designed custom home combines contemporary luxury with timeless coastal architecture, making for one of the most exceptional homes among Southern California’s highly desirable locations.

Stay tuned for more of our projects by / .coastal

📍 Balboa Island, Newport Beach
📞 (714) 763-0302
🔗 keystonedcs.com

✨Apolena | Balboa Island (EXTERIOR)Showcasing our brand-new modern Cape Cod custom home built by Keystone Coastal in 202...
04/29/2026

✨Apolena | Balboa Island (EXTERIOR)

Showcasing our brand-new modern Cape Cod custom home built by Keystone Coastal in 2024! Situated in a highly desirable location on Apolena Ave on Balboa Island. This stunning home features 3 bedrooms, including a large JADU, 4.5 baths, a spacious front patio with firepit, a gourmet kitchen with island, Thermador appliances, a primary suite with private balcony, a spectacular roof deck including covered loggia, as well as an elevator for all 3 levels. Located just a few doors from the South Bayfront, this home provides incredible views of Newport Bay, Pavilion, and Fashion Island. This thoughtfully-designed custom home combines contemporary luxury with timeless coastal architecture, making for one of the most exceptional homes among Southern California’s highly desirable locations.

Stay tuned for more of our projects by / .coastal

📍 Balboa Island, Newport Beach
📞 (714) 763-0302
🔗 keystonedcs.com

✨Apolena | Balboa Island (INTERIOR)Showcasing our brand-new modern Cape Cod custom home built by Keystone Coastal in 202...
04/29/2026

✨Apolena | Balboa Island (INTERIOR)

Showcasing our brand-new modern Cape Cod custom home built by Keystone Coastal in 2024! Situated in a highly desirable location on Apolena Ave on Balboa Island. This stunning home features 3 bedrooms, including a large JADU, 4.5 baths, a spacious front patio with firepit, a gourmet kitchen with island, Thermador appliances, a primary suite with private balcony, a spectacular roof deck including covered loggia, as well as an elevator for all 3 levels. Located just a few doors from the South Bayfront, this home provides incredible views of Newport Bay, Pavilion, and Fashion Island. This thoughtfully-designed custom home combines contemporary luxury with timeless coastal architecture, making for one of the most exceptional homes among Southern California’s highly desirable locations.

Stay tuned for more of our projects by / .coastal

📍 Balboa Island, Newport Beach
📞 (714) 763-0302
🔗 keystonedcs.com

03/25/2026

🏘️ Project Spotlight: Back in 2024, Keystone completed Lightbreeze, a distinctive collection of 15 custom single-family homes in Huntington Beach.

Each residence ranges from 4,700 to 6,600 square feet and features spacious custom design elements, premium appliances, and quality materials throughout thoughtfully planned floor plans that maximize both functionality and comfort. Pictured here are videos of the stunning homes located just 3 miles from the beach in an upscale, quiet neighborhood.

This is just one of our many tract homes featured throughout Orange County, built from the ground up while maintaining the custom quality and attention to detail that buyers expect. This intimate community represents the full scope of what Keystone Coastal and Keystone DCS delivers.

Currently accepting inquiries on current and future project plans!

Interested in discussing your residential development project?

Contact us today!🔨

03/06/2026

🚧 Under Construction Update: Barnstable, Huntington Harbour

Back with an update on our in-progress custom residence in Huntington Harbour, featuring 5 bedrooms, 5.5 bathrooms, and 4,104 square feet of thoughtfully designed living space.

This home is part of our Keystone Coastal Collection and showcases custom architectural elements with quality finishes throughout a well-proportioned floor plan.

The design balances family living with formal entertaining spaces, incorporating refined construction details suited for the harbour location.

Huntington Harbour remains one of Southern California’s premier waterfront communities, and this project represents the kind of custom coastal construction that we strive to deliver in meeting the expectations that buyers in premium Orange County locations know and love.

Stay tuned to follow along in our progress, and reach out to discuss how we can help realize your own custom build! ⚓

03/06/2026

Revisiting Keystone DCS’ completed project located in Stanton, this tract consisting of 11 homes, a 4-bedroom & 4-bathroom layout, and ranging from 1,630 to 2,334 square feet. This development was designed with first-time homebuyers and downsizing families in mind, featuring three distinct floor plans at the Stanton and Garden Grove border.

Each home included first-floor bedroom suites, contemporary upgraded kitchens with modern appliances, 10-foot ceilings, and maintained front yard landscaping within an intimate community setting.

Stay tuned for more projects built by Keystone DCS Inc.

02/27/2026

Looking back at one of our successful tract developments:

Keystone DCS built 12 single-family detached homes on St Anna Place in Fountain Valley, each featuring 4 bedrooms and 4-4.5 bathrooms. This boutique residential project showcases our quality construction that fits the character of established neighborhoods like this one here.

Located near highly rated schools, Mile Square Regional Park, and Bella Terra shopping, with convenient access to major employment centers and John Wayne Airport, St Anna Place was designed for the family-oriented buyers that Fountain Valley attracts.

St Anna Place is a good example of our residential tract work in Orange County. If you’re considering a similar development or have questions about our construction capabilities, reach out to Keystone DCS. 🔨

🚧 Under Construction (Garfield Ave, Huntington Beach)We’re building something exceptional on a rare 40,000+ square foot ...
02/18/2026

🚧 Under Construction (Garfield Ave, Huntington Beach)

We’re building something exceptional on a rare 40,000+ square foot lot in one of Huntington Beach’s most desirable neighborhoods as part of our Keystone Coastal division—a completely custom single-family home designed for luxury living at scale.

This residence will feature 9 bedrooms, 9.5 bathrooms, and amenities that rival a private resort: full golf simulator, dedicated movie theater, Olympic-sized pool, and sauna room.

Located minutes from Huntington Beach Pier, world-class surf breaks, Pacific City shopping and dining, and top-rated schools, this property combines premier coastal access with estate-level privacy. The expansive lot size is virtually unheard of in this area, allowing us to create an entertainer’s paradise with room to breathe.

We’re beyond excited about this project and how it showcases capability to execute high-end custom builds with complex features and premium finishes from foundation to completion.

Interested in discussing your own custom home project? Contact Keystone DCS today. ✉️

🌊 Keystone Coastal Project Showcase: Featuring our 6,220 square foot custom home in Huntington Harbour, completed in 202...
02/11/2026

🌊 Keystone Coastal Project Showcase:

Featuring our 6,220 square foot custom home in Huntington Harbour, completed in 2025. Pictured here is our luxury craftsmanship in one of Southern California’s most exclusive waterfront communities. This 5-bedroom, 5.5-bathroom home was built from the ground up with high-end finishes and thoughtful design throughout, with a total valued projected at $10 million.

Key features include:
•Striking circular staircase as the centerpiece of the interior
•Private dock with direct harbour access for boating enthusiasts
•Tranquil garden area for outdoor relaxation
•Custom rounded bar perfect for entertaining
•Outdoor fire pit overlooking the water

Huntington Harbour is one of Orange County’s most sought-after addresses, offering residents a rare combination of waterfront privacy, boating lifestyle, and proximity to beaches, PCH, fine dining, and Huntington Harbour Mall.

This project represents just one of our handcrafted homes in the Harbour, and the level of detail and ex*****on that Keystone DCS brings to all of our builds.

If you’re considering a custom home of your own, let’s talk about what we can build for you. Contact Keystone DCS today! 🔨

02/04/2026

🏡 Keystone DCS Showcase: Revisiting our Single-Family Home Collection in Garden Grove!

We’re proud to present our beautifully crafted residences on Brad Lane, Sean Court, and Lauren Circle—each thoughtfully designed to offer the perfect blend of comfort, style, and modern living in the heart of Garden Grove.

These exceptional homes are nestled in family-friendly neighborhoods with easy access to top-rated schools, nearby parks, diverse dining options, and convenient freeway connections to all of Orange County.

Whether you’re a growing family, first-time buyer, or looking to invest in one of Southern California’s most welcoming communities, our projects like these Garden Grove residences are sure to offer the quality craftsmanship and attention to detail that you’re looking for.

Have any questions or project ideas of your own? Contact Keystone DCS today and let’s build your future together! 🔑

02/04/2026

🚧 Keystone Coastal - Projects in Progress:

A quick update - We’re actively building two exceptional custom homes in Huntington Beach as part of our Keystone Coastal division.

At 109 and 111 9th Street, we’re constructing dual residences with custom designs tailored for coastal living—each home features 4 bedrooms, 4.5 bathrooms, premium appliances and materials throughout, and a smart 3-story layout topped with a roof deck perfect for ocean breezes and sunset views just blocks from the beach.

Simultaneously, we’re developing a custom home on Garfield Avenue in Huntington Beach on an impressive 40,000+ square foot lot—a rare opportunity that allows for expansive design and outdoor possibilities.

Stay tuned for more exciting updates and developments, as both projects demonstrate our ability to handle high-end custom construction from concept to completion.

Interested in starting your own custom build? Contact Keystone DCS today to discuss your project ideas! 📩

01/27/2026

🌊 Showcasing coastal elegance with Keystone Coastal’s 113 Topaz and 123 Crystal on the iconic Balboa Island in Newport Beach!

These prestigious properties embody the quintessential Southern California lifestyle, where charming village streets meet pristine beaches and world-class harbor views. Located just steps from Marine Avenue’s boutique shops, waterfront dining, and the famous Balboa Island Ferry, you’re immersed in one of Orange County’s most coveted addresses.

Whether you’re envisioning a complete custom build, a luxury remodel, or thoughtful design planning for your dream coastal retreat, our team specializes in bringing your vision to life on Balboa Island.

Let us help you create a stunning waterfront sanctuary that captures the timeless charm and sophistication of Newport Beach living—your perfect coastal home awaits! ✨🏖️

Contact us today, link and info in bio for details 📩

Address

17272 Newhope Street, Ste K
Fountain Valley, CA
92708

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+17147913772

Website

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