Curbless Shower Installation by NP Line Design. Licensed GC #1105249. March 2026 pricing. 1-3 weeks. Free on-site estimates.
Get a free, no-obligation estimate from NP Line Design (CSLB #1105249). Licensed, bonded & insured.
“The lien waiver is the document that protects homeowners from contractor payment disputes cascading down to subcontractors. California's mechanics lien law allows subcontractors and suppliers to place liens on your property if the general contractor doesn't pay them — even if you paid the GC in full. Get conditional lien waivers from all subs and suppliers at each progress payment. Make it a contract requirement.”
A pre-construction preconstruction meeting with all major subcontractors is worth scheduling before any work begins. This meeting aligns everyone on project logistics (site access, material storage, work hours, LADBS inspection procedures), identifies interface coordination issues between trades, and establishes the project communication protocol. It's 3 hours that saves 30 hours of conflict resolution during construction.
NP Line Design (CSLB #1105249) specializes in Curbless Shower Installation La across Greater Los Angeles. Founded by Netanel Presman, we bring 15+ years of LA-specific construction experience to every project. Verify any contractor at cslb.ca.gov before signing a contract.
Permit requirements depend on the specific scope of work. Most structural, electrical, plumbing, and mechanical work in Los Angeles requires LADBS permits regardless of project size. Your contractor should verify permit requirements for your specific project and pull all required permits before work begins.
Curbless (zero-threshold) showers are the gold standard for modern bathroom design in Los Angeles. By eliminating the raised curb, the shower floor transitions seamlessly into the bathroom floor, creating a spacious, spa-like feel. Curbless showers also improve accessibility for aging-in-place and ADA compliance. NP Line Design builds curbless showers with proper waterproofing (Schluter Kerdi or Laticrete HydroBan), linear drains, and precisely sloped floors to prevent water escaping the shower area.
Prices reflect Los Angeles market rates as of March 2026. Actual costs depend on scope, materials, and site conditions. Free on-site estimate available.
Every NP Line Design curbless shower installation project includes:
Curbless showers in Los Angeles cost $5,000-$15,000 depending on tile selection, drain type, and glass enclosure. A standard curbless shower with porcelain tile starts at $5,000. Premium natural stone with a linear drain and frameless glass runs $11,000-$15,000.
No, when built correctly. NP Line Design slopes the shower floor at 1/4-inch per foot toward a linear drain, creating a water channel that contains all water within the shower area. We use continuous waterproofing membranes that extend 6 inches beyond the shower footprint for extra protection.
Most bathrooms on concrete slab foundations can be converted. Raised-foundation homes may require subfloor modification to create the proper slope. Second-floor bathrooms may need additional waterproofing. NP Line Design assesses your bathroom's structure before recommending a curbless design.
Yes. Curbless showers are one of the most sought-after bathroom features in the LA real estate market. They appeal to buyers of all ages -- younger buyers love the modern aesthetic, and older buyers appreciate the accessibility. A curbless shower can add $5,000-$10,000 to your home's value.
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$5K-$15K · March 2026 pricing
1-3 weeks typical
CSLB #1105249 · B-license · Bonded & insured