
ADU Construction in Alhambra
Licensed, insured contractors providing expert adu construction to homeowners across Alhambra and the western San Gabriel Valley.
California's ADU-friendly regulations make it easier than ever for Alhambra property owners to add living space. Eco Grizzly builds detached ADUs, garage conversions, and junior ADUs throughout Alhambra, Emery Park, Granada Park, Midwick Tract, Ramona Park, San Gabriel, Monterey Park. We manage architectural plans, city permits, utility connections, and full construction from foundation to finish. Alhambra's housing stock spans the 1920s through the present. Many older homes have original brick chimneys that have weathered decades of seismic activity and need careful mortar and structural assessment.

Project Photos
View full gallery →Local Expertise in Alhambra
We are a local, licensed, and insured contractor with deep knowledge of Alhambra and the western San Gabriel Valley. Our technicians understand the unique needs of Craftsman bungalows, Spanish Colonial Revival homes, and mid-century ranch houses and the specific building code requirements for each municipality. Every job starts with a thorough assessment, includes a written estimate with photos, and ends with a clean jobsite. We arrive on time, communicate clearly, and stand behind our work with a written guarantee.
Remodeling Craftsman bungalows, Spanish Colonial Revival homes, and mid-century ranch houses
Alhambra is known for its Craftsman bungalows, Spanish Colonial Revival homes, and mid-century ranch houses. Our remodeling team understands the architectural details, structural quirks, and design sensibilities specific to homes in Alhambra and the western San Gabriel Valley. We preserve what makes your home special while upgrading functionality, energy efficiency, and comfort.
Permits, Codes, and Inspections
Every remodeling project that involves structural, plumbing, or electrical work requires a city permit. Eco Grizzly handles all permit applications, plan submissions, and inspection scheduling for projects in Alhambra. We stay current with the building code requirements for each jurisdiction in Alhambra and the western San Gabriel Valley so you do not have to worry about compliance.
Schedule a ADU Consultation in Alhambra
Call (424) 258-9882 or fill out our online form to book an in-home consultation. We review the scope, discuss materials and sequencing, and provide a written estimate with next steps before any construction begins.
How It Works
Four simple steps from first call to finished job.
Call or Book Online
Reach us at (424) 258-9882 or submit the online form. We respond within two hours on business days.
On-Site Consultation
A project manager visits your home to discuss your goals, take measurements, and review scope.
Design and Estimate
Receive a detailed design plan, materials list, and itemized estimate within five business days.
Build and Deliver
Our crew completes the work on schedule with progress updates, a clean jobsite, and a final walkthrough.
Why Alhambra Homeowners Choose Eco Grizzly
Free In-Home Estimate
Schedule a no-obligation site visit. We measure, discuss your vision, and deliver a written quote within five business days.
Licensed and Insured
CSLB license #1077111, full general liability, and workers compensation insurance on every project.
Dedicated Project Manager
One point of contact from design through final walkthrough. Progress photo updates at every milestone.
On-Time Completion
We provide a detailed project schedule with milestones at contract signing and stick to it.
Transparent Pricing
You receive a written, itemized estimate before any work begins. No hidden fees or surprise change orders.
Permit Handling
We pull all required building permits and schedule city inspections so you do not have to.
Real Results
ADU Projects in Alhambra
Real adu work completed by our licensed team in the Alhambra area.
Before, Rebar & Vapor BarrierConcrete Patio & Room Addition
Southern California
This project combined a large concrete patio pour with a structural room addition. The crew installed a full rebar grid over a vapor barrier, poured and finished the concrete slab, and completed the room addition framing and exterior to match the existing home. The finished patio features a stamped concrete surface with a built-in outdoor kitchen island, creating a seamless indoor-outdoor living area.
Have a project in mind? We can help.
ADU FAQs for Alhambra
Common questions answered by our certified technicians.
ADU in Other Areas
Search other cities we serve for adu or browse by county.

Build Your ADU
Serving Alhambra homeowners. Call (424) 258-9882 to request an on-site estimate or send your project details online.





