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Coronado Construction turns our client's ideas and dreams into concrete and successful projects.

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Every step of the construction process, from initial planning and design to the final construction and completion of project Coronado Construction works with you.

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We deliver successful execution of projects. We offer a strong and memorable choice that conveys professionalism and commitment to our client's.

Your Vision, Our Blueprint

Coronado Construction turns our clients' ideas and dreams into concrete and successful projects.

Your Vision, Our Blueprint

Coronado Construction turns our clients' ideas and dreams into concrete and successful projects.

Your Vision, Our Blueprint

Coronado Construction turns our clients' ideas and dreams into concrete and successful projects.

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Oceanside ADU Builders

Oceanside ADU Builders

ADU Builders Oceanside by Coronado Construction

Oceanside, a scenic coastal city in northern San Diego County, is celebrated for its vibrant harbor, iconic pier, and community-centric neighborhoods. This dynamic city has become a hub for homeowners seeking to expand their property’s potential with Accessory Dwelling Units (ADUs). Coronado Construction, the trusted name in ADU construction, is proud to guide Oceanside residents through the process of creating customized, high-quality ADUs that align with local regulations and individual visions.

Whether you’re looking to enhance your property’s value, generate rental income, or create a versatile living space, Coronado Construction is the go-to ADU builder in Oceanside. With expertise in navigating Oceanside’s unique ADU regulations, we ensure your project is seamless and successful.


About Coronado Construction

Coronado Construction, a licensed and innovative construction company based in San Diego, is renowned for delivering exceptional results and customer satisfaction. With years of experience, we’ve built a reputation as a reliable partner for creating functional and stylish ADUs that reflect our clients’ needs.

Our commitment to superior craftsmanship, sustainable practices, and compliance with local regulations makes us the trusted choice for homeowners in Oceanside. From initial design to final construction, we bring your ADU vision to life with precision and professionalism.

Oceanside’s Revised ADU Ordinance

The City of Oceanside updated its ADU Ordinance in February 2022 to align with state legislation, streamlining the approval process and reducing barriers to ADU construction. Here are the key provisions homeowners need to know:


General ADU Guidelines:

  • Detached ADUs: Permitted up to 850 sq. ft. (studio/1-bedroom) or 1,000 sq. ft. (2+ bedrooms) with a maximum height of 16 feet and 4-foot side/rear setbacks.

  • Attached ADUs: Allowed up to 50% of the size of the primary dwelling or 1,200 sq. ft., whichever is less.

  • Junior ADUs (JADUs): Limited to 500 sq. ft., must include an efficiency kitchen, and may share sanitation facilities with the primary dwelling.

Key Updates:

  • No lot coverage requirements for ADUs within 4-foot setback provisions.

  • No parking requirements for JADUs or ADUs located within walking distance of public transit.

  • Rental terms for ADUs must be 30 days or longer; short-term rentals are not allowed.

  • Building permit reviews must be completed within 60 days, ensuring a streamlined approval process.

Multifamily Property Provisions:

  • Up to 25% of non-livable spaces (e.g., basements, garages) in multifamily dwellings can be converted into ADUs.
  • Two detached ADUs with up to 1,000 sq. ft. and 16-foot heights are allowed in addition to these conversions.

Waived Fees and Streamlined Approvals:

  • Development impact fees for ADUs are waived, except for school fees.
  • Flexible parking designs and waivers are permitted, reducing project costs.

Why Choose Coronado Construction for Your Oceanside ADU?

  • Local Expertise: We understand Oceanside’s zoning codes, permit processes, and ADU Ordinance updates, ensuring compliance and efficiency.

  • Tailored Solutions: Whether you’re building a detached unit, converting a garage, or adding a JADU, we design ADUs to fit your needs and property aesthetics.

  • Sustainable Building Practices: Our eco-friendly methods deliver energy-efficient spaces that enhance your lifestyle and reduce environmental impact.

  • Comprehensive Project Management: From design to completion, we handle every detail, making the process stress-free for you.

The Value of an ADU in Oceanside

Building an ADU is a smart investment for Oceanside homeowners, offering:

  • Increased Property Value: Professionally built ADUs elevate your property’s market appeal and long-term worth.

  • Rental Income Opportunities: Generate steady income with long-term rental tenants.

  • Versatile Living Spaces: Create a private suite for guests, family, or a personal office.

  • Streamlined Land Use: Maximize the potential of underutilized areas on your property.

Get Started with Coronado Construction

Transform your property with a custom-built ADU designed to meet your unique needs and Oceanside’s regulations. Contact Coronado Construction today at (760) 807-2165 or email us at coronadoconstructioninc@gmail.com. Let us bring your vision to life with expert craftsmanship and unparalleled service.

Choose Coronado Construction—the trusted name for ADU builders in Oceanside.

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Custom Home Building

Custom home building offers the advantage of creating a home that is perfectly tailored to the client's preferences and lifestyle.

Whole House Remodeling

Whole house remodeling allows homeowners to modernize and personalize every aspect of their living space.

Room Addition

Common reasons for room addition include adding a bedroom, expanding the kitchen, creating a home office, or adding a family room.

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