Balcony Waterproofing in Los Angeles

Your balcony is leaking, and the water is going into the room below. Absolute Maintenance & Consulting provides balcony waterproofing for residential and commercial properties across Los Angeles. Balconies are one of the highest-risk areas for water intrusion in Los Angeles buildings because they are horizontal surfaces exposed to rain, foot traffic, and UV degradation, all supported by wood framing that rots when the waterproofing fails.

Most balcony waterproofing contractors apply a coating and leave. That works if the membrane is the only problem. But if water has already penetrated the balcony assembly, coating over damaged substrate traps moisture inside and accelerates the rot underneath. Absolute Maintenance & Consulting is a building envelope specialist. We investigate the balcony failure first with thermal imaging and moisture mapping, determine the extent of damage, repair the substrate if needed, and then install the appropriate waterproofing membrane system.

Cameron Figgins, founder of Absolute Maintenance & Consulting, has spent over three decades waterproofing and repairing balconies on Los Angeles homes and buildings. We hold CSLB license #998184, IICRC certification (#70018676), and MICRO certification.

Los Angeles has a specific balcony failure profile. The semi-arid climate creates two problems: UV degradation from year-round sun exposure breaks down waterproofing membranes faster than in cooler climates, and when heavy rain does arrive, those degraded membranes fail. Add foot traffic wear and the thermal cycling that LA buildings experience (hot days, cool nights), and balcony waterproofing systems have a limited service life.

The most common balcony failures we see in Los Angeles:

Commercial balcony waterproofing in Los Angeles involves multi-unit buildings with dozens to hundreds of balconies, all sharing similar construction and often failing in the same patterns. Absolute Maintenance & Consulting provides commercial balcony waterproofing for:

• Apartment buildings (SB 721 compliance) requiring inspection and repair of exterior elevated elements. We perform the inspection, document findings, prioritize repairs by severity, and provide waterproofing for all affected balconies.
• Condominium associations (SB 326 compliance) requiring architect or engineer-led inspection. We coordinate with your licensed professional, provide the repair and waterproofing scope, and execute the work across all affected units.
• Hotels and hospitality where guest-facing balconies must be waterproofed and returned to service quickly. We phase work by floor and wing to minimize room closures.
• Mixed-use buildings where balconies above commercial spaces leak into tenant areas. We prioritize occupied spaces and coordinate with property management on scheduling and access.

Commercial balcony waterproofing reports include thermal imaging documentation, moisture data, structural assessment findings, repair scope, and cost estimates formatted for property management, HOA boards, and insurance. Call (310) 678-4345 for a commercial assessment.

The right waterproofing membrane depends on the balcony construction, traffic level, aesthetic requirements, and budget. Here are the systems we install:

Absolute Maintenance & Consulting recommends the system based on your specific situation, not based on what is cheapest or easiest to install. A liquid-applied polyurethane works perfectly on a second-floor residential balcony. A 40-unit apartment building with concrete balconies may need sheet membrane or PMMA depending on the schedule and substrate condition.

Balcony waterproofing costs depend on whether the substrate and framing are intact or need repair. A $450 balcony assessment with thermal imaging determines the scope before you commit to repair costs. The assessment fee is credited toward your waterproofing.

Homeowners insurance may cover balcony water damage if it resulted from a sudden event. Construction defect claims for improperly waterproofed balconies may fall under the builder warranty or CSLB. SB 721 and SB 326 repairs are the property owner or HOA responsibility.

We investigate before we waterproof. Most waterproofing contractors apply a new membrane without checking what is underneath. If the framing is rotted, a new membrane is a cosmetic fix on a structural problem. We use thermal imaging and moisture mapping to verify the substrate condition before any waterproofing work begins.

We repair the structure and the waterproofing. If framing damage is found, we repair it as part of the same project. No separate structural contractor, no scheduling delays, no finger-pointing between trades.

We check for mold. A balcony that has been leaking for months or years almost certainly has mold in the framing below. We inspect and remediate before closing the assembly, so you are not sealing mold inside your building.

Three decades of LA balcony experience. Cameron Figgins has waterproofed and repaired hundreds of balconies across Los Angeles County. We know the failure patterns in every era of LA construction.

SB 721 and SB 326 compliant. We perform inspections and repairs that meet California balcony inspection requirements.

Still have questions? Our experts are here to help.

Absolute Maintenance & Consulting performs building envelope inspections throughout Los Angeles County, including West Los Angeles, Santa Monica, Venice, Culver City, Beverly Hills, Brentwood, Bel Air, Century City, Hollywood, Silver Lake, Echo Park, Pasadena, Glendale, Studio City, Sherman Oaks, Encino, and the South Bay communities.

Call (310) 678-4345 or email info@leakmoldrepair.com to schedule your building envelope inspection.