Top-Rated Addition & Remodeling Pros Near You in Altadena, CA

David Olson Construction

Licensed General Contractor.Custom kitchens and baths, we have a designer we work with if you need one.Remodeling, additions, structural repairs.In business since 1979.References available on request.Let us make your home dreams come true! (Visit our website for pictures of previous projects and more information www.daveolson.com

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Grueter Construction

We are a general construction company who handles all residential construction, in all trades.We have about 6 employees.We use sub-contractors for plumbing, electrical, roofing, painting, etc.The cost is determined by the scope of the project.There are no travel charges.We can be contacted either by phone or email.License#: 416414

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Machaon Construction

At Machaon Construction, we pride ourselves on being the best Construction company in the area. We have built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing. Being a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let us get started!

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Golden Age Builders
(*)(*)(*)(*)(*)5.0 (436 Reviews)

New Golden Age Builders is a premier construction and remodeling company dedicated to delivering high-quality craftsmanship and innovative design solutions. With years of experience in residential and commercial construction, we specialize in creating spaces that blend functionality, durability, and aesthetic excellence. Our services include custom home building, full-scale renovations, kitchen and bathroom remodeling, room additions, and commercial construction projects. Whether you’re looking to transform

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Concierge Home Remodeling
(*)(*)(*)(*)(*)5.0 (74 Reviews)

Concierge Home Remodeling is a full-service home renovation company dedicated to turning your remodeling dreams into reality. With a personalized, concierge-style approach, we guide homeowners through every step of the remodeling process—from the initial design consultation and planning stages to construction and final touches—ensuring a seamless, stress-free experience. Our experienced team is committed to delivering exceptional craftsmanship and innovative design solutions that reflect your unique style,

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T&N Remodeling Inc

TN Remodeling Inc. is a premier construction and remodeling company specializing in high-quality residential and commercial projects. With a commitment to excellence, craftsmanship, and customer satisfaction, we bring years of industry experience to transform homes and businesses with precision and care. Our services include full home renovations, kitchen and bathroom remodeling, room additions, ADU construction, flooring, roofing, and exterior upgrades. Whether you are looking to modernize your space, incr

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Professional Home Remodeling & Design

Professional Home Remodeling is a trusted home renovation company dedicated to transforming houses into beautifully designed, functional living spaces. Specializing in kitchen and bathroom remodeling, home additions, and full-scale renovations, we bring expert craftsmanship, high-quality materials, and a client-focused approach to every project. With years of experience, our team works closely with homeowners to bring their vision to life—whether it's a modern kitchen upgrade, a luxurious bathroom transform

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BYLTup
(*)(*)(*)(*)(*)4.9 (97 Reviews)

We build high quality roofing and solar systems for residential and commercial applications with a niche commercial tenant improvement division. Serving all of Long Beach and the surrounding areas of Los Angeles and Orange Counties, along with the greater Coachella Valley, our crews are certified and trained at the highest levels in the most advanced roofing and building materials. Our expert team of technicians have been recognized by the industries leading manufacturers for their quality and service, allo

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Welcome Renovation
(*)(*)(*)(*)(*)5.0 (45 Reviews)

On-demand designer kitchens and baths – at a fraction of the time and cost. We all know the horror stories of renovation projects gone wrong, from construction delays to untrustworthy contractors and change orders. At Welcome Renovation, we take the worry out of it all and provide you with a guaranteed upfront cost. If for some reason costs increase during construction, we pay the difference. With our breadth of industry experience and internationally sourced supply chain, we complete projects in record tim

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Architecture JHK, Inc.
(*)(*)(*)(*)(*)5.0 (17 Reviews)
Available by AppointmentAvailable by Appointment
BoutiqueBoutique
Budget-FriendlyBudget-Friendly
Eco-FriendlyEco-Friendly
Established inEstablished in

Architecture JHK is a Los Angeles-based boutique design firm with over 20 years of experience specializing in custom homes. Our mission is to partner with you the homeowner to make your vision a reality with the aesthetic style, function, and value you desire in your dream home. We are dedicated to the power of built and natural environments to impact the way we live, especially how we foster connections with each other. Our highest ideals center in the application of timeless architectural design aesthetic

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About Addition & Remodeling Pros in Altadena, CA

Altadena’s unique charm and diverse architecture make it a sought-after place to live, but when it comes to home additions and remodeling, the area presents a range of complexities that require experienced, local expertise. From the historic homes near Christmas Tree Lane to the hillside properties in the foothills, every project here must navigate Altadena’s distinct challenges, including zoning restrictions, lot size constraints, and strict permitting requirements enforced by the County of Los Angeles Department of Regional Planning.

For homeowners looking to expand, understanding local regulations is critical. Altadena’s zoning codes, such as setback requirements and SB 9 guidelines for lot splits, can significantly influence the design and scope of an addition. Those planning accessory dwelling units (ADUs) or second-story expansions must also factor in neighborhood overlays, potential HOA approvals, and compliance with fire zone regulations, particularly in high-risk hillside areas. Costs for home additions in Altadena typically range from $250 to $500 per square foot, depending on factors like structural reinforcement, foundation tie-ins, and custom finishes.

Older homes in Altadena often require additional considerations, such as seismic retrofitting or tying new construction into aging foundations. In neighborhoods like Janes Village, where narrow lots are common, efficient space planning is key. Whether it’s a modern ADU or a seamless expansion to a historic Craftsman, successful projects in Altadena demand careful planning, precise execution, and a deep understanding of local building codes and environmental conditions.

Addition & Remodeling FAQs

The average cost for home addition and remodeling services nationwide can vary significantly based on the scope of the project, materials used, and location. Typically:

  • A basic home addition, like a bedroom or bathroom, ranges from $20,000 to $75,000.
  • Major remodels, such as kitchens, can cost between $40,000 and $100,000 or more.
  • Luxury or custom projects (e.g., large-scale additions or premium materials) often exceed $150,000.

For a personalized estimate, always request quotes from at least three "Addition & Remodeling Pros" near you. Be sure to ask for itemized pricing to better understand labor and material costs.

When hiring "Addition & Remodeling Pros" in Altadena, consider these steps:

  1. Check Credentials: Ensure they are licensed and insured in your area.
  2. Read Reviews: Look up recent customer feedback online.
  3. Review Portfolios: Evaluate previous projects similar to what you need.
  4. Verify References: Request and follow up with past clients for firsthand feedback.
  5. Get Multiple Estimates: Obtain quotes from at least three contractors for comparison.

Taking time to research will ensure the professional you select meets your expectations and delivers quality work.

When requesting an estimate for a remodeling project, provide detailed information to get accurate quotes. Include:

  • Project Scope: Describe what you’re looking to achieve (e.g., a full kitchen remodel or a room addition).
  • Budget: Share your budget range if comfortable.
  • Timeline: Mention your desired completion date.
  • Material Preferences: Specify if you want high-end fixtures or budget materials.
  • Drawings or Plans: Provide sketches or architectural designs if available.

Clear communication reduces misunderstandings and helps contractors draft realistic proposals.

The timeline for home addition and remodeling projects depends on the complexity of the project. Here’s a general breakdown:

  • Smaller remodels (e.g., a bathroom): 2–4 weeks.
  • Moderate remodels (e.g., kitchens): 6–12 weeks.
  • Large-scale home additions: 3–6 months or more.

Planning, design, and permitting can add several weeks before construction starts. Be sure to discuss a detailed timeline with your "Addition & Remodeling Pros" to account for any delays related to weather, materials, or inspections.

Yes, most professional contractors will handle the permitting and zoning approval process as part of their service. However, it’s important to confirm this when hiring them. Local building codes and zoning regulations vary widely by area, so working with a licensed pro familiar with the requirements in your municipality ensures compliance and avoids potential fines.

For more on local code compliance, check with your city’s building department. The National Association of Home Builders also offers resources on remodeling guidelines.

Watch for these red flags to avoid unreliable contractors:

  • Unlicensed or uninsured: Always verify credentials.
  • Lowball Quotes: An estimate significantly lower than others could signal cut corners.
  • Lack of Contracts: Insist on a clear, written agreement.
  • Poor Communication: If they’re difficult to reach or rushing decisions, proceed cautiously.
  • No References: Unwillingness to provide past clients’ references is cause for concern.

Do your due diligence to ensure your project runs smoothly with a trustworthy pro.

Yes, many eco-friendly options are available for homeowners looking to remodel sustainably. Some popular choices include:

  • Energy-Efficient Windows: Reduce heating and cooling costs.
  • Reclaimed Materials: Use recycled wood or metal for a unique touch.
  • Low-VOC Paints: Improve indoor air quality.
  • Solar Panels: Offset energy consumption.
  • Smart Home Systems: Automate lighting and HVAC for efficiency.

Discuss green options with your "Addition & Remodeling Pros" to align your project with sustainability goals.

A home addition involves adding new space to your home, such as building an extra bedroom, bathroom, or garage. It typically increases the overall square footage of your property. In contrast, a remodel updates or reconfigures existing spaces. For example, remodeling could involve upgrading your kitchen appliances or redoing the layout of your living room without changing the home’s size.

When deciding between the two, consider your needs, budget, and property’s existing layout.

The most popular remodeling projects for homeowners include:

  1. Kitchen Remodels: Upgrading cabinets, countertops, and appliances.
  2. Bathroom Renovations: Adding modern fixtures or expanding space.
  3. Basement Finishing: Creating functional living areas.
  4. Room Additions: Adding bedrooms, home offices, or sunrooms.
  5. Exterior Updates: Replacing siding, roofing, or windows.

Each project can increase property value while enhancing your home’s comfort and functionality.

Yes, in Altadena, "Addition & Remodeling Pros" must adhere to local licensing and permit regulations to ensure safety and compliance. Contractors typically need a valid state or local contractor’s license, insurance, and sometimes bonding for larger projects. Always verify their licensing status through local agencies, such as your state’s licensing board or municipal building department.

For assistance, many states provide online verification tools, like the Contractor’s State Licensing Board in California or similar organizations in your state.

Reviews for Addition & Remodeling Pros

Garage to Dream Office in Days
I needed an outdated garage converted into a functional office fast. Within hours of posting, I had bids from three local pros in Charlotte. The contractor I chose was phenomenal—came in under budget and had it done in five days. I’m finally working from home in style!
Emma R.
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Basement Rescue Made Easy
Our basement had water damage, and we were overwhelmed. Thanks to this service, I found a local pro in Milwaukee who not only fixed the issue but also redesigned the space into a cozy family room. Best of all, we saved over $2,000 compared to other quotes!
Tyler B.
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Bathroom Reno, Zero Hassle
After struggling to find someone reliable for our guest bathroom remodel, this platform was a lifesaver. In less than a day, I connected with a pro who quoted fairly and stuck to the timeline. The final result is stunning and added so much value to our home.
Sophia K.
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Maria VierraEditor

Maria Vierra is the lead designer at Vierra Fine Homes, bringing over two decades of experience in high-end residential design and construction. Her expertise and attention to detail ensure every project meets the highest standards of excellence, blending functionality with aesthetic appeal.

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Brett TaylorAuthor

Brett Taylor is the co-founder of The Builder Market and a visionary entrepreneur in the home services and construction industries. With a passion for innovation, Brett has played a pivotal role in revolutionizing how professionals and homeowners connect and collaborate.

This page was last updated on Dec 5, 2025, 10:41:26 AM