Licensed California general contractor (CSLB #972213) with our office on Ventura Blvd in Woodland Hills, a short drive south of Granada Hills — bathroom remodels handled end-to-end, LADBS permits through final inspection.
Hillstar Construction is a licensed Granada Hills bathroom remodeling contractor. Our office sits on Ventura Boulevard in Woodland Hills, a short drive south of Granada Hills, so a real person walks your property on day one. We work across Granada Hills proper, Knollwood, Balboa Highlands, Porter Valley, the Kagel Canyon foothill blocks, and adjacent 91344 and 91394 addresses on guest and powder refreshes, full primary bathroom renovations, and ground-up custom primary suites with walk-in or zero-threshold showers, freestanding tubs, heated floors, and custom vanity millwork — including preservation-grade remodels inside the Balboa Highlands Eichler HPOZ. Every Granada Hills bathroom remodel is handled by the same in-house team from design through final inspection, with LADBS permits coordinated by us. Licensed and insured since 2010, CSLB License #972213.
★★★★★ 5.0 · 17 reviews on Houzz
Granada Hills bathrooms run the full scope from compact hall and guest baths in post-war ranch homes to 180-plus-square-foot primary suites in updated blocks across Knollwood, Porter Valley, and north-edge Granada Hills. The design starts by matching the new bathroom to the home's architecture — ranch updates lean toward clean horizontal runs and matte hardware; Balboa Highlands Eichler bathrooms preserve post-and-beam ceilings, original glass proportions, and mid-century material palettes; Spanish Revival homes land on painted cabinetry and tile patterns; modern-farmhouse remodels pair shaker vanities with black or brushed-brass fixtures and mixed matte stone. We photograph and measure the whole home at the first visit so the bathroom reads as part of the house.
Material and fixture selection happens early. Custom vanity millwork runs 6 to 12 weeks from approved drawings. Stone slabs (Calacatta, Taj Mahal, Bianco Dolomiti) run 6 to 10 weeks from selection to fabrication-ready. Fixture brands common in Granada Hills primary bathrooms — Kohler, Moen, Grohe, Delta, Hansgrohe — range from in-stock to 10-plus weeks depending on finish.
Every Granada Hills bathroom design includes drawings, tile and stone samples, a full fixture and plumbing schedule, and a written cost breakdown before any demolition. Scope changes mid-build are documented and priced in writing so the final invoice matches the approved scope.
Our crew handles demolition, plumbing, waterproofing, electrical, and tile installation in-house. One team sequences every trade so scheduling and accountability stay tight.
Waterproofing is the non-negotiable layer underneath every good bathroom. On Granada Hills projects we use sheet-membrane or liquid-applied membrane systems behind every shower and tub surround, fully sealed at corners, transitions, and drain assemblies, with dedicated pre-slope and waterproofed curbs for walk-in and zero-threshold showers. On primary baths with steam, the waterproofing scope extends to the ceiling with vapor-sealed transitions where the steam generator plumbing runs. These details are invisible when the room is finished — they're what separates a bathroom that holds up for decades from one that fails silently behind the tile.
Permit jurisdiction for Granada Hills bathroom remodels runs through LADBS. The Valley branch on Sepulveda handles plan check and inspections for Granada Hills. We handle the full permit process from plan submission through final inspection and coordinate directly with LADBS inspectors. Bathroom work inside the Balboa Highlands Historic Preservation Overlay Zone has an additional Cultural Heritage coordination layer for any change that affects character-defining Eichler features — we manage that submission alongside the LADBS permit when it applies. Outside the HPOZ, interior bathroom work generally doesn't require any separate design review beyond LADBS.
Granada Hills bathrooms finish at a solid mid-Valley spec — natural stone or porcelain shower surrounds, custom or semi-custom vanity millwork, frameless glass enclosures, quality fixture packages, heated floors where the budget allows, and thoughtful lighting. Balboa Highlands Eichler bathrooms take a preservation-grade direction, keeping original wood paneling, post-and-beam ceiling character, and mid-century material palettes while updating plumbing, waterproofing, and fixtures to modern standards. Both finish levels match the neighborhood's buyer expectation.
Every Granada Hills bathroom remodel passes LADBS final inspection and carries Hillstar Construction's workmanship guarantee. We walk the completed bathroom with you before closing out the project, document every punch-list item, and stay on the job until every line item is resolved to the approved scope.
Yes. Granada Hills is part of the City of Los Angeles, and LADBS handles every residential permit here. The Valley branch on Sepulveda processes Granada Hills plan check and inspections. We handle the full submission and inspection coordination directly with LADBS so the homeowner doesn't have to navigate the process.
Industry-standard waterproofing on every shower and tub surround is baseline for any Granada Hills bathroom we build. We use sheet-membrane or liquid-applied membrane systems behind tile, fully sealed at corners, transitions, and drain assemblies, with dedicated pre-slope and waterproofed curbs for walk-in and zero-threshold showers. On primary baths with steam the waterproofing scope extends to the ceiling and includes vapor-sealed transitions where the steam generator plumbing runs. These details are invisible when the room is finished, but they're what separates a bathroom that holds up for decades from one that fails silently behind the tile.
Balboa Highlands is a designated LA Historic Preservation Overlay Zone covering roughly 100 Joseph Eichler mid-century modern homes in Granada Hills. If your home sits inside the HPOZ boundary, any remodel that affects character-defining features — post-and-beam ceilings, floor-to-ceiling glass, atriums, original wood paneling — requires Cultural Heritage review in addition to the standard LADBS permit. Bathroom remodels that update plumbing, waterproofing, tile, vanity, and fixtures without altering ceiling character, glass proportions, or original paneling typically pass HPOZ review cleanly. We confirm HPOZ boundary status at the first visit and map the review pathway before committing to scope.
Custom vanity millwork typically runs 6 to 12 weeks from approved drawings. Stone (Calacatta, Taj Mahal, Bianco Dolomiti) runs 6 to 10 weeks. Fixture brands common in Granada Hills bathrooms (Kohler, Moen, Grohe, Delta, Hansgrohe) range from in-stock to 10-plus weeks depending on configuration. Steam generators, heated-floor systems, and integrated medicine cabinets need to be specified early since late changes create framing and plumbing rework. On HPOZ projects we also build in time for Cultural Heritage review.
Guest or powder refreshes — new vanity, tile, fixtures, and lighting without moving plumbing — typically run $18K to $45K in Granada Hills. Full primary bathroom remodels with walk-in or zero-threshold showers, freestanding tubs, stone, and heated floors typically run $45K to $130K. Ground-up custom primary suites with steam, dedicated dressing areas, and higher-spec fixture packages commonly reach $130K to $350K. Balboa Highlands Eichler bathrooms trend toward the higher end of these ranges because preservation-grade materials and detailing carry extra cost. Finish and fixture selection drives the spread more than construction scope. We provide a written cost breakdown at the consultation.
Yes, and in Granada Hills it is common to run primary bathroom, kitchen, and a broader home remodel as a single coordinated project. Running everything under one LADBS permit package lets the same crew sequence framing, plumbing, electrical, tile, cabinetry, and finish work across the house — which typically finishes faster and at lower combined cost than running the projects back-to-back. See our Granada Hills kitchen remodeling page and our Granada Hills home remodeling page.
Lior and his team were extremely courteous, prompt, and worked hard to make sure every element was exactly what we were looking for.
— Ian, October 2022I enjoyed working with Lior as my contractor because he always answered all my questions. He explained the process and was helpful throughout.
— Houzz reviewer, March 2020
