Custom master bathroom remodel by Hillstar Construction, serving Porter Ranch

Porter Ranch 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 Porter Ranch — bathroom remodels handled end-to-end, LADBS permits through final inspection.

Hillstar Construction is a licensed Porter Ranch bathroom remodeling contractor. Our office sits on Ventura Boulevard in Woodland Hills, a short drive south of Porter Ranch, so a real person walks your property on day one. We work across The Oaks of Porter Ranch, Renaissance at Porter Ranch, Sorrento Pointe, Porter Ranch Estates, and adjacent 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 Porter Ranch 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 Porter Ranch Bathroom

Porter Ranch bathrooms run the full scope from compact secondary baths in older south-side tracts to 250-plus-square-foot primary suites in newer homes across The Oaks and Renaissance. The design starts by matching the new bathroom to the home's architecture — Mediterranean originals lean toward painted cabinetry, warm stone, and arched details; transitional-contemporary homes land on shaker or flat-panel vanities with matte or brushed-brass fixtures; newer custom builds in the gated communities stretch toward integrated stone and full fixture packages. 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. Imported stone slabs (Calacatta, Taj Mahal, Bianco Dolomiti) run 6 to 10 weeks from selection to fabrication-ready. Fixture brands common in Porter Ranch primary bathrooms — Kohler, Moen, Grohe, Hansgrohe, Kallista, Brizo — range from in-stock to 10-plus weeks depending on finish.

Every Porter Ranch 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 Porter Ranch 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 Porter Ranch bathroom remodels runs through LADBS. The Valley branch on Sepulveda handles plan check and inspections for Porter Ranch. 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. Work that touches the exterior envelope — new windows, changes to visible fenestration — is flagged at the design phase, and for homes inside The Oaks of Porter Ranch or Renaissance we coordinate the architectural-review submission alongside the LADBS permit.

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

Finished Bathrooms at a Porter Ranch Spec

Porter Ranch bathrooms finish at a solid upper-Valley-premium 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 premium-family demographic in Porter Ranch and protects long-term home value.

Every Porter Ranch 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

Porter Ranch Bathroom Remodeling — Frequently Asked Questions

Does a Porter Ranch bathroom remodel go through LADBS?

Yes. Porter Ranch is part of the City of Los Angeles (ZIP 91326), and LADBS handles every residential permit here. The Valley branch on Sepulveda processes Porter Ranch 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 Porter Ranch primary bathroom?

Industry-standard waterproofing on every shower and tub surround is baseline for any Porter Ranch 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 Porter Ranch?

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. Work that extends the house footprint or adds exterior windows may trigger additional review if the lot is inside the Santa Susana foothills hillside overlay or an HOA community like The Oaks of Porter Ranch or Renaissance, and we flag that at the design phase.

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

Custom vanity millwork typically runs 6 to 12 weeks from approved drawings. Imported stone (Calacatta, Taj Mahal, Bianco Dolomiti) runs 6 to 10 weeks. Fixture brands common in Porter Ranch bathrooms (Kohler, Moen, Grohe, Hansgrohe, Kallista, Brizo) 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 Porter Ranch bathroom remodel?

Guest or powder refreshes — new vanity, tile, fixtures, and lighting without moving plumbing — typically run $35K to $85K in Porter Ranch. Full primary bathroom remodels with walk-in or zero-threshold showers, freestanding tubs, stone, and heated floors typically run $85K to $240K. Ground-up custom primary suites with steam, dedicated dressing areas, and higher-spec fixture packages commonly reach $240K to $700K. Finish and fixture selection drives the spread more than construction scope. We provide a written cost breakdown at the consultation.

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

Yes, and in Porter Ranch 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 Porter Ranch kitchen remodeling page and our Porter Ranch 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

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Planning a Bathroom Remodel in Porter Ranch?

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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