Licensed general contractor delivering ADUs, granny flats, garage conversions, custom homes, home remodels, and renovations across San Diego County. From design and permitting through final inspection, every project gets direct owner involvement and transparent pricing. Serving La Jolla, North Park, Hillcrest, Del Mar, Encinitas, Carlsbad, and all San Diego neighborhoods.
CA Contractors License #1151054Troia Construction is a licensed general contracting firm headquartered in La Jolla, California, led by owner and general contractor Robert Amarin. We specialize in accessory dwelling units (ADUs), garage conversions, granny flats, casitas, custom homes, home renovations, kitchen remodels, bathroom remodels, room additions, and specialty trade packages throughout San Diego County.
What sets us apart is simple: Robert is on every job. No layers of project managers or subcontracted oversight. You get direct access to the person responsible for your build, from the first site walk through final inspection. That means faster decisions, tighter cost control, and craftsmanship that meets the standard we put our name behind.
Unlock multi-generational living and rental income potential. We navigate zoning, setbacks, and utilities while fast-tracking plan reviews and field execution.
We orchestrate every discipline, from preconstruction budgeting to final punch lists, ensuring schedules hold and design intent is preserved.
Engage Troia for individual trades without sacrificing polish. Our teams deliver framing, foundations, roofing, siding, and envelope upgrades built to last.
ADUs deliver flexible living space, rental income potential, multigenerational living, and increased property value. Whether you need a backyard cottage, mother-in-law suite, or detached guest house, our team manages every phase in-house from ADU permits to final inspection.
Transform existing structures into efficient living suites with upgraded insulation, plumbing, and finishes that feel purpose-built.
Seamlessly expand your main residence with connected suites that respect setbacks, energy codes, and architectural intent.
Create private stand-alone residences with separate utility metering, curated outdoor environments, and owner oversight on site.
Add strategic square footage that unlocks multi-generational living, guest suites, or hybrid work zones without leaving your property.
We combine the accountability of an owner-operated firm with the capabilities of a full-service general contractor. Every project gets direct leadership and transparent communication from start to finish.
Strategic decisions are made on site with the people doing the work. No middlemen, no lag time, and no surprises. You always know who is responsible.
From materials to detailing, we engineer every element for San Diego's marine environment to prevent corrosion, leaks, and unnecessary maintenance.
Expect weekly updates, documented progress photography, and immediate answers whenever you call, text, or email.
Every project is run by the owner, combining cost transparency with field-first craftsmanship from day one.
As an owner-operated builder with an in-house team, we eliminate the heavy markup that paper contractors add to your final price. You pay for the work, not layers of management.
Deep, hands-on experience in framing, concrete, and structural work means we are true craftsmen, not just project managers behind a desk. We understand the work because we do the work.
California Contractors State License Board #1151054. Every project is backed by a licensed professional who stakes their reputation on delivering quality results.
Call or email to receive a tailored proposal, transparent budget tracking, and direct communication with the owner from day one.
