Santa Clara, CA Kitchen, Bath and Home Renovation Gadi Construction

Home Additions in Union City

Union City is known for its friendly neighborhoods, diverse community, and well-kept suburban feel the perfect place to expand your home. At Gadi Construction, we build home additions that blend smoothly with Union City’s varied architecture while giving homeowners the extra room they need. Whether you want a larger living room, a private suite, or a functional workspace, we design additions that improve comfort, flow, and long-term value. Every project is created with care, clarity, and a focus on supporting the way Union City families live today.

Our Kitchen Remodeling Process

We follow a seamless, structured process to ensure your kitchen remodel is smooth and stress-free from start to finish.

1

Personal Consultation

 We begin by understanding your ideas, style preferences, and project goals to create a plan that aligns with your lifestyle.

2

3D Design & Visualization

 Our experts design your kitchen in 3D so you can see exactly how the final space will look before construction begins.

3

Material Selection

We guide you in selecting high-quality materials from cabinets and lighting to flooring and countertops that complement Alameda’s architectural charm.

4

Construction Excellence

Our skilled craftsmen execute each stage with precision, care, and respect for your home.

5

Final Review & Quality Check

 Every detail is carefully inspected to ensure perfection, durability, and your complete satisfaction.

Home Addition Ideas Inspired by Union City Living

Union City homes range from classic suburban layouts to modern builds, offering great possibilities for expansion. We design additions that complement your existing structure while updating your home with practical, modern features. Each concept is tailored to your lifestyle, family needs, and the welcoming atmosphere of Union City.

Here are six popular home addition options among local homeowners:

1. Spacious Family Room Extension

A wider living area gives you more room for gatherings, entertainment, and daily relaxation. This design increases comfort while keeping the open, bright feel families love.

2. Comfortable Guest or In-Law Suite

Perfect for visiting relatives or multigenerational living, this suite includes a private bedroom, full bath, and optional kitchenette. It adds convenience while keeping everyone comfortable.

3. Expanded Kitchen with Better Function

A kitchen bump-out adds more workspace, improved storage, and room for upgraded appliances. It creates a smoother cooking experience and a brighter, more inviting layout.

4. Quiet Home Office or Study Space

This addition offers a dedicated, distraction-free area for work or school. With organized storage and thoughtful lighting, it boosts productivity and provides a peaceful environment.

5. Light-Filled Sunroom

A sunroom lets natural light flow in, creating a warm and calm space for reading, hobbies, or coffee breaks. It blends indoor comfort with an airy, outdoor feel.

6. Functional ADU or Backyard Living Unit

An ADU adds a complete secondary living space that can be used for guests, long-term rentals, or extended family. It increases your property value and offers great long-term flexibility.

Kitchen Remodel

Full-Service Home Addition Solutions in Union City

Gadi Construction manages every part of your home addition planning, permits, design, and construction so your project stays simple and stress-free. We ensure your new space looks seamless and functions perfectly.

Our services include:

  • Custom Home Addition Design
  • 3D Layouts & Detailed Planning
  • Room Extensions & Second-Story Additions
  • Electrical, Plumbing & HVAC Integration
  • Exterior Matching & Interior Finishing
  • Permit Handling & Code Compliance
  • Custom Storage & Built-In Solutions

Why the Bay Area Chooses Gadi Construction

Want to get in touch?
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Here’s how you can reach us…

Tell us about your project and get a personalized, no-obligation quote.

We specialize in remodeling and construction – from kitchens to full home makeovers.
Let’s bring your vision to life with expert planning and transparent pricing.

OR CALL TODAY FOR A FREE ESTIMATE:
SAN JOSE AREA – 404-889-1000
SAN FRANCISCO AREA – (925) 639-3177

Our Services

Home Remodel

Bring new life to your home with expert remodeling that combines style, comfort, and functionality. Upgrade your home from floor to ceiling with a custom remodel tailored to your needs and lifestyle.

Common Area Remodel

Kitchens are the centerpieces of your home; they’ve become the center of most modern homes, a place where family comes together to share tastes, love, and stories.

Kitchen Remodel

Kitchens are the centerpieces of your home; they’ve become the center of most modern homes, a place where family comes together to share tastes, love, and stories.

Bathroom Remodel

One of the most common remodeling projects for homeowners is to remodel the bathrooms in the house. After all, this is probably the first place you visit in the morning and the last place you visit at the end of the day.

Additions​

Anyone can use an extra room in their home. It could be a space for business, like an Airbnb unit, daycare (yes, we’ve seen that happen) if you would like it or need an additional guest room or bedroom.

ADUs​

Maximize your property’s potential with a custom-built ADU. Whether it’s for rental income, a home office, or additional living space, our team designs and builds functional, stylish units that blend seamlessly with your property.

Basement Remodel

Transform your basement into a beautiful, functional living space, a cozy retreat, home office, or guest suite with expert remodeling your family will love.

Start Your Union City Home Addition Today

If you’re ready to add more space, comfort, and value to your Union City home, Gadi Construction is here to help. Contact us today to schedule a free consultation. We’ll guide you through every step and create an addition that fits your vision, lifestyle, and home perfectly. Let’s build a space your family will enjoy for years.

Related Projects

People Also Ask

The cost of a 20x20 foot addition varies widely based on location, materials, and complexity. A basic, unfinished shell might start around $40,000 to $60,000. A standard finished addition with mid-range materials, including proper foundations, roofing, siding, insulation, drywall, and basic electrical/plumbing, typically ranges from $80,000 to $120,000 or more. High-end custom projects with premium finishes, complex rooflines, or extensive mechanical systems can easily exceed $150,000. Key cost factors include site preparation, foundation type, interior finishes, and local labor rates. It is crucial to obtain detailed quotes from licensed contractors, as permits, design fees, and unforeseen structural issues significantly impact the final budget.

The 30% rule in remodeling is a widely cited budgeting guideline suggesting that homeowners should not spend more than 30% of their home's current market value on a major renovation project. This rule helps maintain financial prudence and protects against over-improving a property relative to its neighborhood, which can make it difficult to recoup the investment upon sale. For example, on a $500,000 home, the recommended maximum renovation budget would be $150,000. It is a general benchmark, and actual budgets should be adjusted based on specific project scope, local real estate trends, and personal financial circumstances. Exceeding this percentage can risk diminishing returns, so careful planning and professional consultations are advised.

The most expensive part of a home addition is typically the structural work and foundation. This includes excavation, pouring a new concrete foundation or slab, and constructing load-bearing walls and a new roof structure. These elements require significant labor, materials, and engineering to ensure the addition is safe, level, and properly integrated with the existing house. Following this, high-cost items are usually the finishing elements like custom cabinetry, high-end windows and doors, and complex electrical or plumbing rough-ins. While finishes like flooring and paint are visible, the unseen structural skeleton demands a major portion of the budget to meet building codes and provide long-term stability.

The cheapest way to add an addition is to maximize the use of existing infrastructure and choose a simple, cost-effective design. Opt for a bump-out or a small, single-story addition with a straightforward rectangular footprint to minimize foundation and roofing costs. Using standard, readily available materials and doing some of the non-specialized work yourself (like demolition, painting, or cleanup) can yield significant savings. Crucially, ensure your design does not require moving major plumbing stacks, HVAC ducts, or load-bearing walls, as these are expensive. Always get multiple detailed quotes from licensed contractors and verify that all work complies with local building codes to avoid costly corrections later.

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