Home Addition & ADUs in Sierra Madre, CA

11 specialized services available

Expand your La Cañada Flintridge home with custom additions and ADU conversions. We handle design-build services, room additions, garage conversions, and electrical upgrades. From master suites to home offices, we deliver quality construction tailored to your needs.

Call (818) 625-0100

Home Addition & ADUs Services in Sierra Madre, CA

Expand your La Cañada Flintridge home with custom additions and ADU conversions. We handle design-build services, room additions, garage conversions, and electrical upgrades. From master suites to home offices, we deliver quality construction tailored to your needs.

A newly completed detached ADU in the backyard of a single-family home in Sierra Madre, CA, with a separate entrance and finished exterior. The primary 1950s-era ranch-style house is visible in the background.

Design-Build Services

On Demand Restoration offers design-build services for home additions and ADUs in Sierra Madre, CA.

  • Single point of contact from design through construction reduces miscommunication and delays
  • Plans are drawn to match Sierra Madre's California state ADU size and setback standards from the start
  • Older Sierra Madre homes gain updated, code-compliant square footage without a full rebuild
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A newly completed room addition on a single-story Craftsman home in Sierra Madre, CA, with exterior siding and roofline matched to the original structure. The addition extends the rear of the home toward a hillside lot, showing framed windows and a finished exterior consistent with the existing residence.

Room Additions

On Demand Restoration builds custom room additions for homeowners in Sierra Madre, CA.

  • Adds permanent square footage to your home without the cost or disruption of relocating
  • New living space is designed to match the existing structure's roofline, siding, and interior finishes
  • Increases usable square footage on foothill lots where outdoor space is limited
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A newly built master suite addition on a single-story Sierra Madre, CA home, showing a private bedroom wing with updated exterior siding that matches the original Craftsman-style structure. The addition includes a visible bathroom window and sits on a landscaped foothill lot typical of the Sierra Madre residential area.

Master Suite Additions

On Demand Restoration builds master suite additions for Sierra Madre, CA homeowners who need more private living space.

  • Adds a private primary bedroom and bathroom without requiring a move or property change
  • Brings older Sierra Madre homes up to current California Building Code during construction
  • Fire-rated assemblies and materials addressed for homes in Sierra Madre's Very High Fire Hazard Severity Zone
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A converted single-car garage in a Sierra Madre residential neighborhood, finished as a self-contained ADU with a new exterior door, egress window, and clean stucco exterior matching the primary home.

Garage Conversions (ADUs)

On Demand Restoration converts garages into fully permitted ADUs for Sierra Madre homeowners.

  • Adds a fully independent living unit without expanding your home's footprint
  • No replacement parking required under California state law for garage conversion ADUs
  • Creates a legal rental unit that can generate ongoing income from your Sierra Madre property
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A newly built home office addition attached to a single-story Craftsman-style home in Sierra Madre, CA, showing a finished interior with built-in desk space, recessed lighting, and a window overlooking the backyard. The exterior addition matches the original home's wood trim and roofline.

Home Office Additions

On Demand Restoration builds custom home office additions for Sierra Madre, CA homeowners who need a dedicated workspace at home.

  • Dedicated workspace keeps work life separate from living areas, reducing daily distractions
  • Added square footage increases the usable and appraised value of your Sierra Madre property
  • Electrical and data rough-in is planned from the start, so outlets and lighting are where you actually need them
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A newly built laundry room addition attached to a single-story Craftsman-style home in Sierra Madre, CA, showing finished interior walls, plumbing connections, and ventilation ducting ready for appliance installation.

Laundry Room Additions

On Demand Restoration builds dedicated laundry room additions for Sierra Madre, CA homeowners who need more functional living space.

  • Moves laundry out of garages and closets into a proper, dedicated room
  • Adds a functional space with correct plumbing, electrical, and ventilation hookups
  • Built to City of Sierra Madre and California Building Code standards
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Recessed LED lights installed in a clean white ceiling inside a Sierra Madre home addition, casting even light across an open-concept living area. The flush fixtures sit flush with the ceiling with no visible gaps or trim damage.

Recessed LED Lighting

On Demand Restoration installs recessed LED lighting in Sierra Madre, CA homes and ADUs.

  • Consistent, even light coverage eliminates dark corners in older Sierra Madre floor plans
  • LED fixtures use significantly less energy than incandescent or halogen alternatives, lowering monthly utility costs
  • Low heat output reduces fire risk in homes with limited attic clearance or older insulation
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A licensed electrician installing a new grounded outlet in the kitchen of an older single-family home in Sierra Madre, CA. The finished outlet box shows clean screw-terminal wiring connections and a modern GFCI receptacle flush against a painted wall.

Outlet and Switch Upgrades

On Demand Restoration upgrades outlets and switches in Sierra Madre, CA homes safely and efficiently.

  • Grounded three-prong outlets replace ungrounded two-prong receptacles, reducing shock and fire risk
  • GFCI-protected outlets in kitchens, bathrooms, and outdoor areas meet current California electrical code
  • Properly terminated screw-connection wiring replaces loose backstab connections common in mid-century Sierra Madre homes
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A newly installed dedicated circuit breaker subpanel inside a Sierra Madre, CA home addition, with clearly labeled individual breakers for kitchen, laundry, and HVAC circuits. Clean conduit runs connect the subpanel to the main service panel on the exterior wall of the primary residence.

Dedicated Circuits

On Demand Restoration installs dedicated circuits for home additions and ADUs in Sierra Madre, CA.

  • Each high-draw appliance gets its own circuit, reducing the risk of tripped breakers and overloads
  • Proper circuit sizing keeps your Sierra Madre ADU or addition aligned with California Electrical Code
  • Future-ready wiring supports EV charger and energy storage system connections without costly rework
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A Level 2 EV charger mounted on the interior side wall of a residential garage in Sierra Madre, CA, with a dedicated conduit running to an upgraded electrical panel. A parked electric vehicle sits connected to the charger in the background.

EV Charger Installation

On Demand Restoration installs home EV chargers for Sierra Madre, CA homeowners ready to charge at home.

  • Dedicated 240-volt circuit sized correctly for your vehicle's charging load
  • Panel capacity checked and upgraded if needed before installation begins
  • Wiring positioned to integrate with backup power systems common in foothill homes
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A newly installed interior door with clean trim and aligned hardware inside a single-family home in Sierra Madre, CA. The door frame sits flush with the surrounding wall, showing a finished installation in a residential hallway.

Interior Door Replacement

On Demand Restoration replaces interior doors in Sierra Madre, CA homes with precise, clean results.

  • Doors close and latch correctly, removing gaps that let sound and air pass between rooms
  • Updated door profiles and finishes raise the visual quality of hallways and living spaces
  • Properly fitted doors reduce noise transfer between bedrooms and common areas
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What sets us apart for Home Addition & ADUs

Licensed General Building Contractor (CSLB #1136403)

One-team remediation to reconstruction process

Proper containment, daily cleanup, attention to detail standard

Recent Projects in Sierra Madre, CA

Every project in this gallery was built by our crew. Real work, real clients, real results.

Project photos coming soon.

Ready to get started?

Seen the work. Ready to talk about your project?

Call (818) 625-0100

Common Questions About Home Addition & ADUs in Sierra Madre, CA

Straight answers to the questions homeowners ask before hiring a local contractor.

Yes. Most additions require permits from the county. We handle all permitting and inspections for your project.

Most additions take 8-16 weeks depending on size and complexity. We provide detailed timelines during your consultation.

Yes. We specialize in garage-to-ADU conversions with electrical upgrades, insulation, and interior finishing.

Still have questions?

Call us directly. Real answers, no scripts.

Call (818) 625-0100

What Los Angeles County homeowners say.

5.0
25 Google reviews

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We had a flood, and Jack and his team restored our home when everyone else refused because of the complexity of the project. From the very beginning, he was honest, professional, and confident in finding solutions where others only saw problems. Jack was hands-on throughout the entire process and communicated with us daily regarding progress updates, timelines, and next steps. He answered every question we had with patience and transparency and never once tried to upsell us on unnecessary work. In a situation as stressful as flood damage, that level of honesty and communication meant everything to us. The quality of the work exceeded our expectations. The floors look amazing, the cabinets were beautifully restored, and the painting and finishing details truly brought our home back to life. You can clearly see from the pictures how incredible the craftsmanship and attention to detail were. What stood out most was how much pride Jack and his team took in their work. They treated our home with care and respect as if it were their own, and that is hard to find these days. We are extremely grateful for everything they did and would not hesitate to recommend them to our friends and family. Thank you again, Jack, for turning such a difficult experience into a positive one.

Edris Google review · May 2026

Jack and his team did a great job and finished right within the promised timeline. Two things that separate him from our previous contractors are that he works right alongside his crew—rather than just showing up to supervise—and he is always in touch with the client, even after the project is wrapped up. It was a pleasure working with him. Highly recommend!

Stacy Google review · June 2026

I had a leak in my ceiling and the drywall was opened to fix. I hired On Demand based on their positive reviews, and I can't say enough about them! Jack was quick in communication, thorough in the pricing and timeline layout, helped assess any of my concerns and Miguel did great repair work. Friendly team. Would absolutely recommend.

m c Google review · July 2026

This is regarding my experience with Jack. I meet with construction managers regularly because of my work, and can immediately tell when someone knows their stuff or not. Jack was thorough professional, extremely knowledgeable and very easy to communicate with. Highly recommended.

Dan Stowell Google review · June 2026

On Demand Restoration has been our go-to for multiple jobs. They're reliable, responsive, and always get the work done right! Jack is great to work with - professional, communicative and keeps us in the loop through the whole process. Highly recommend!

Tracy Clark Google review · May 2026