From occupied office, medical, and hospitality renovations to ground-up commercial buildings and 24/7 property maintenance—work with one accountable general contractor from permits and drawings to final handover.
One accountable general contractor across the full commercial building lifecycle—from initial tenant fit-out or new build to long-term property upkeep.
From $4M ground-up medical buildings and 22-site franchise rollouts to occupied downtown hotel and industrial upgrades.
Ground-up 2-storey precast medical building with 30-ft wood slat atrium, stretcher elevator, 200A rooftop generator & hydronic heated driveway.
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Multi-floor downtown hotel renovation spanning 6 suite types, lobby touch-latch millwork, gym & corridors delivered on a strict reopening deadline.
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2nd-floor commercial condo build-out featuring crane window hoisting and after-hours mechanical rough-ins above operating retail stores.
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22 franchise locations built to corporate specs with structural roof openings for commercial kitchen exhaust, makeup air & fire suppression.
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Full interior & exterior transformation with custom composite aluminum roof, large-format glazing, stucco envelope & inter-building comm lines.
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Executed while facility remained open: slab grinding & commercial epoxy flooring, restructured tiled stairwell & waterproofed corridors.
View Project DetailsSelect your property or space type below to pre-fill your inquiry and speak with our commercial estimating team.
Executive suites, boardrooms, acoustic glazing, full-floor reconfigurations & Sodhi Law Office-grade finishes.
Exam rooms, sterilization labs, radiation shielding, medical gas & stretcher-ready accessibility.
Commercial kitchens, Type-1 hoods, makeup air, grease traps & multi-site franchise rollouts.
Guest rooms, lobbies, fitness rooms & common corridors phased around active guest occupancy.
High-security airport pharmacies (Pearson), 1-night luxury retail turnovers (Holt Renfrew) & flagship stores.
Lobby & corridor refreshes, building envelope repairs, tenant turnover white-boxing & 24/7 dispatch.
Slab grinding, commercial epoxy coatings, loading bays, mechanical rooms & occupied plant upgrades.
Custom plumbing manifolds, luxury millwork, mood lighting & moisture-controlled treatment suites.
Every project follows a structured pre-construction, permitting, and site management workflow—with real-time CRM visibility and founder sign-off.
Site walkthrough, laser measurements, base-building mechanical/structural review, budget alignment, and early code check.
Architectural/engineering drawings, interior concepts & 3D renderings, landlord approvals, and municipal building permit submissions.
Commercial-grade material sourcing across price points and locked pre-construction trade sequencing tied to your lease or opening date.
Dedicated site superintendent, licensed long-term trades, dust/negative-air protection, and real-time trade progress photos in our CRM portal.
Municipal occupancy sign-offs, deficiency walkthrough, personal final review by Ash Moeini, plus optional 24/7 property maintenance.
From overnight luxury retail turnovers to $4M ground-up medical buildings, we protect your schedule, tenants, and capital.
Whether erecting a 2-storey precast medical building or dispatching a crew for an urgent envelope leak, we bring licensed structural and MEP depth.
Proven overnight & after-hours phasing (1-night Gucci at Holt Renfrew, 9080 Yonge above active retail), negative-air scrubbing, and dust barriers.
One contract coordinates consultants, drawings, permits, trades, and landlord boards—eliminating finger-pointing between designers and GCs.
Track trade progress photos in our client CRM portal, capped by founder Ash Moeini’s personal final inspection: “Do it Right the First Time.”
“I have been working with Jash for over 10 years... Jash has completed a wide range of projects for me, from small jobs to large-scale builds, including full construction from the ground up through to the finest finishing details.”
“We recently renovated a coffee shop with them and the make-over was well done. The quality of their work was highly professional and I would certainly recommend them.”
“Jash Design has consistently performed quality work at my house and business. On time and on budget. It is easy to give my recommendation to them.”
Evaluating a lease space, planning a ground-up build, or seeking a 24/7 property maintenance partner? Start with a direct conversation.
Ask About Your ProjectYes. Our commercial design-build team coordinates architectural and engineering drawings, 3D renderings, landlord/condo board packages, municipal building permits, and final occupancy inspections.
Yes. We specialize in occupied-building phasing using dust containment barriers, negative-air scrubbers, floor/elevator protection, and overnight or after-hours scheduling—proven on projects like our 1-night Holt Renfrew build and 9080 Yonge Eye Clinic above active retail.
Interior commercial renovations typically take 8–16 weeks from permit issuance; vacant shell-to-finish build-outs take 4–8 months; ground-up commercial buildings take 10–14 months including design and permitting.
We provide construction-grade building repairs (structural, building envelope, stucco/glazing leaks, plumbing, mechanical rooms), rapid tenant turnover white-box prep, and condo/plaza common area upkeep—via scheduled contracts or 24/7 emergency dispatch, even if JDB did not originally build the property.
Yes. Jash Design & Build Inc. carries $5M Commercial General Liability insurance, full WSIB Ontario clearance, CCA Gold Seal certification, and BBB accreditation. We have delivered 22 Wild Wing franchise locations plus Pearson Airport and luxury retail builds to strict brand and security standards.
From our Concord HQ at 9000 Keele St #3, we serve Toronto, North York, Vaughan, Richmond Hill, Etobicoke, Mississauga, Oakville, Aurora, Markham, Brampton, and Hamilton.
Share your property address, scope, and target timeline. Our commercial team responds within one business day.
