Retaining Wall Construction by NP Line Design. Licensed GC #1105249. March 2026 pricing. 2-6 weeks. Free on-site estimates.
Get a free, no-obligation estimate from NP Line Design (CSLB #1105249). Licensed, bonded & insured.
“The most important document in any construction project isn't the permit — it's the contract. A vague contract with a scope defined as 'as per plans' is not sufficient protection for a homeowner. The contract should specify: payment schedule tied to milestones, allowances for specified items, exclusions list, change order threshold, and dispute resolution process.”
Always ask for a contractor's license verification at CSLB.ca.gov before signing any contract. A B-General Building Contractor license covers structural work; specialty work (electrical, plumbing, HVAC, roofing) requires separate C-license contractors on the team. Verify that any subcontractors on your project also have current CSLB licenses.
NP Line Design (CSLB #1105249) specializes in Retaining Wall Construction 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.
Retaining walls are essential on Los Angeles hillside properties to prevent erosion, create level building pads, and protect structures from soil movement. NP Line Design builds engineered retaining walls using concrete block, poured concrete, stone veneer, and segmental wall systems. Every wall over 4 feet tall requires engineering plans and permits. We handle design, engineering, permitting, and construction for walls up to 20 feet tall.
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 retaining wall construction project includes:
Outdoor spaces built to last
Landscape & Hardscape Portfolio
Retaining walls in LA cost $200-$600 per linear foot depending on height, material, and engineering requirements. A 50-foot wall at 4 feet tall costs $10,000-$20,000. Taller walls (8+ feet) with engineering cost $20,000-$30,000 for the same length. Stone veneer adds $100-$150/LF.
Yes, if the wall is over 4 feet tall (measured from the bottom of the footing to the top of the wall). Walls in hillside areas may require permits regardless of height. NP Line Design handles all permit applications, engineering plans, and inspections.
A properly engineered and built retaining wall lasts 50-100 years. Concrete block and poured concrete walls are the most durable. The most common failure mode is poor drainage -- water pressure behind the wall causes tilting or collapse. NP Line Design includes drainage in every retaining wall design.
Absolutely. We build retaining walls with stone veneer, stucco finish, decorative cap blocks, and integrated planters that look like landscape features rather than structural elements. Many of our clients combine structural retaining walls with outdoor seating, lighting, and water features.
Related Exterior services:
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$200-$600/linear foot · March 2026 pricing
2-6 weeks typical
CSLB #1105249 · B-license · Bonded & insured
