Custom master bathroom remodel by Hillstar Construction, serving Northridge

Northridge Bathroom Remodeling Contractor — Primary Baths, Walk-In Showers & Custom Vanities

Licensed California general contractor (CSLB #972213) with our office on Ventura Blvd in Woodland Hills, a short drive south of Northridge — bathroom remodels handled end-to-end, LADBS permits through final inspection.

Hillstar Construction is a licensed Northridge bathroom remodeling contractor. Our office sits on Ventura Boulevard in Woodland Hills, a short drive south of Northridge, so a real person walks your property on day one. We work across Northridge Farms, Zelzah Heights, the Devonshire corridor, the Plummer-area blocks, CSUN-adjacent neighborhoods, and adjacent 91324, 91325, and 91326 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. Every Northridge 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.

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★★★★★  5.0 · 17 reviews on Houzz

Design & Layout for a Northridge Bathroom

Northridge bathrooms run the full scope from compact hall and guest baths in post-war ranch homes to 180-plus-square-foot primary suites in the updated blocks north of Devonshire and near the Porter Ranch boundary. The design starts by matching the new bathroom to the home's architecture — ranch updates lean toward clean horizontal runs and matte hardware; 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 Northridge primary bathrooms — Kohler, Moen, Grohe, Delta, Hansgrohe — range from in-stock to 10-plus weeks depending on finish.

Every Northridge 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.

Double vanity bathroom design with custom cabinetry and gold fixtures by Hillstar Construction

Construction Process, Waterproofing & LADBS Permits

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 Northridge 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 Northridge bathroom remodels runs through LADBS. The Valley branch on Sepulveda handles plan check and inspections for Northridge. We handle the full permit process from plan submission through final inspection and coordinate directly with LADBS inspectors. Interior-only bathroom work generally doesn't require any separate design review beyond LADBS. Most Northridge blocks have no HOA; for the small number of gated streets on the north edge that do carry HOA architectural review, we coordinate the submission alongside the LADBS permit if the scope touches the exterior.

Marble walk-in shower installation with dual rain heads by Hillstar Construction

Finished Bathrooms at a Northridge Spec

Northridge 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. That finish level matches the neighborhood's broad family-oriented demographic and protects long-term home value.

Every Northridge 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.

Completed bathroom remodel with freestanding tub and herringbone tile floor by Hillstar Construction

Northridge Bathroom Remodeling — Frequently Asked Questions

Does a Northridge bathroom remodel go through LADBS?

Yes. Northridge is part of the City of Los Angeles, and LADBS handles every residential permit here. The Valley branch on Sepulveda processes Northridge 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.

What waterproofing standards should I expect for a Northridge primary bathroom?

Industry-standard waterproofing on every shower and tub surround is baseline for any Northridge 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.

Will interior bathroom work trigger any separate design review in Northridge?

Almost never. A standard bathroom remodel that stays inside the existing building envelope doesn't require any design-review process beyond the LADBS plan check. Most Northridge blocks have no HOA, and the LADBS permit is the only gatekeeper. Work that extends the house footprint or adds exterior windows may trigger additional review if the lot is inside a gated-street HOA on the north edge of Northridge or touches the Santa Susana foothills hillside overlay, and we flag that at the design phase.

What are realistic lead times for cabinetry, fixtures, and stone in a Northridge bathroom?

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 Northridge 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.

What is a realistic budget range for a Northridge bathroom remodel?

Guest or powder refreshes — new vanity, tile, fixtures, and lighting without moving plumbing — typically run $18K to $45K in Northridge. 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. Finish and fixture selection drives the spread more than construction scope. We provide a written cost breakdown at the consultation.

Can a Northridge bathroom remodel be combined with a kitchen or full home remodel?

Yes, and in Northridge 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 Northridge kitchen remodeling page and our Northridge 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 2022
★★★★★

I 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

Recent Bathroom Projects

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Planning a Bathroom Remodel in Northridge?

Free on-site consultation. Clear written scope. LADBS permits handled by us — local contractor with office on Ventura Blvd in Woodland Hills.

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