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Ridgeline Western Construction
Need JADU Conversion in San Marino?
JADU Conversion in San Marino, CA
JADU conversion in San Marino reconfigures an existing bedroom or living area into a junior accessory dwelling with a private entry, compact kitchen, and permit record. Ridgeline Western Construction evaluates the suitability of your current layout, draws plans, manages structural and system changes, and handles every trade under one contract. The result is a legal, permitted junior ADU that passes all inspection and code requirements in Los Angeles.
Why Choose Ridgeline Western Construction for JADU Conversion in San Marino
The JADU process in San Marino begins with a real-world assessment: the space must meet minimum size, have direct outside access, an efficiency kitchen, and connection to a shared or private bathroom. Ridgeline Western Construction reviews your original footprint, determines what can legally be converted, and where walls, entries, or plumbing tie-ins are needed to qualify as a junior ADU under Los Angeles standards.
After planning, we prepare drawings, coordinate any engineering, and submit your permit application. Structural work, such as new entry doors or demo of non-structural walls, is performed by our own team, while electrical, plumbing, and HVAC are scheduled with licensed subcontractors we supervise. Cabinets, windows, and kitchen installations are included in the single project contract; no piecing together different trades. Inspections are scheduled as each phase completes, from system rough-in through insulation and final finish.
Once approved for occupancy, you get all city- or county-issued permits and inspection records. The new unit is legal for rental or family use, with a clear compliance trail for future buyers, lenders, or tenants in San Marino and Los Angeles.
Permitting and City Sign-Off
We prepare your plan sets, apply for permits, and coordinate inspection sign-offs in San Marino and Los Angeles. All final documentation and permit records are delivered, so your JADU is fully legal and recorded with the local authority.
Detailed Layout and Code Check
We review your San Marino property’s existing floor plan, check code minimums for JADUs in Los Angeles, and show you which conversion routes actually work. You avoid wasted design or permit fees on options that do not meet requirements.
All-In-One Construction Management
Ridgeline Western Construction self-performs framing and carpentry, manages all licensed subcontractors for electrical, plumbing, and HVAC, and covers cabinets, windows, and kitchens. You work with us for every step—no separate trades to chase.
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Get your jadu conversion estimate today.
About Our JADU Conversion Services in San Marino
Ridgeline Western Construction is owner-operated by Steven Moreno, a general contractor and framing specialist who is on every project from scope meeting through final walkthrough. For JADU conversions in San Marino, that means structural changes get the right assessment up front, kitchen installs are backed by real carpentry, and all work is managed under a single contract. You get a junior ADU that is fully permitted, safe, and properly documented in Los Angeles, without chasing separate subs or risking code violations.
ABOUT US
Ridgeline Western Construction
Frequently Asked Questions
Yes. Ridgeline Western Construction is a licensed California Class B general building contractor, fully insured.
Our license number is #1147197Ridgeline Western Construction is based out of San Bernardino serving them and communities throughout southern California including Riverside, Los Angeles, and Orange County.
If you don't see your city listed, reach out and we'll confirm coverage.Framing, home additions, ADU construction, new home construction, whole-home remodeling, structural work, fire damage rebuilds, and commercial construction in Fontana, CA & throughout San Bernadino. The Owner Steven Moreno is an expert in framing and carpentry with anything falling outside of expertise being managed through him allowing you to have your building under one contract.
Yes. Every starts with engineering and permitting mapped out, and closes with inspections and a completed permit record from the building department. You get documentation for every phase.
Framing and carpentry are performed by us. Electrical, plumbing, HVAC, and roofing are handled by licensed subcontractors that we schedule and manage under the same contract that way you have one point of contact for your project.
Call or text Steven at +1 (909) 676-2814. Go over your project, plans or interest in a plan.. Then he'll walk through the scope and put together an estimate for you to continue
OTHER SERVICES
Ridgeline Western Construction offers a full range of construction services throughout San Marino, Los Angeles.
Home Additions
A home addition in San Marino changes your house’s structure, not just its footprint. Ridgeline Western Construction manages every step—including load analysis, foundation revision, tie-in framing, plan check, and finish coordination. The entire process, from structural engineering to final inspection, flows under one contract. Framing and carpentry are self-performed, while licensed trades like electrical, plumbing, and HVAC are scheduled and supervised to integrate fully with your existing house. You get a new space engineered and approved to last, with a complete permit record at closeout.
Home Remodeling
Whole home remodeling in San Marino updates an entire house—from framing and layout to finishes, systems, and compliance—under one managed project. Ridgeline Western Construction oversees every step: design, permits, engineering, structural corrections, all new rough and finish trades, and inspection scheduling. Framing and carpentry are self-performed, subcontracted trades are managed, and the home is rebuilt for safety, function, and long-term use, not just looks.
Commercial Remodeling
Commercial remodeling in San Marino is about changing layouts, updating systems, and rethinking how spaces work—without violating codes or losing days to rescheduling. Ridgeline Western Construction keeps every phase under one timeline: demolition, framing, city inspections, and finishes each happen in sequence. You always know who’s managing your project and what the next step is, so your remodel in Los Angeles stays on track and the occupancy record closes out clean.
Some property types we work on
What Our Clients Say about us..
"I connected with Steven Moreno at Ridgeline Western Construction about a year ago when I was scoping out a project. Steven’s knowledge blew me away from framing, additions, new construction, materials, etc. He broke everything down like it was nothing & in a way that I actually could understand. The company is based out of Fontana and covers a huge range from San Bernardino and Riverside all the way through Los Angeles and Orange County. So if you’re in that area and need a general contractor that you can rely on then I would highly recommend Ridgeline Western Construction to get the job done right."
- Thomas Shields
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(909) 676-2814
Service Areas
We provide listings of areas we serve if you don't see your city then contact us to confirm.