Services
Multi Family Roofing Contractor
What Is a Multi Family Roofing Contractor, and Why Does It Matter?
Not every roofing company is equipped to work on a building with multiple units and active tenants. Replacing the roof on a single house is one thing. Replacing or repairing the roof on a 20-unit apartment building in Koreatown while tenants are still inside is a completely different job.
A multi family roofing contractor understands how to:
- Work safely around occupied units without creating liability issues
- Sequence roof work, building by building or section by section, to minimize tenant disruption
- Coordinate with property managers and HOA boards on scheduling and documentation
- Meet California’s specific building codes and LADBS permit requirements for commercial roofing
- Handle large flat roof systems, the most common roof type on LA apartment buildings, with the right materials and techniques
- Provide written reports and photo documentation that support reserve studies and investor reporting
When you hire a general residential roofer for a multi-family job, you often get corners cut, improper materials, failed inspections, and tenant complaints. JSN Construction was built for this work. We’ve roofed apartment buildings across Los Angeles, from small duplexes in Silver Lake to mid-size complexes in Burbank and Glendale, and we bring the same professional standard to every project.
Roofing as Part of a Full Apartment Renovation
Los Angeles faces a housing crisis that isn’t going away soon. Affordable housing construction is one of the most active segments of the market, driven by state mandates, city incentive programs, and investor demand for stable, mission-aligned assets.
As multi family general contractors with experience in both market-rate and affordable housing, JSN Construction works with developers and nonprofits on:
- Ground-up affordable housing construction for new apartment buildings
- Renovation of existing affordable housing stock to meet habitability standards and extend building life
- Coordination with city programs like the Los Angeles Housing Department’s (LAHD) Urgent Repair Program
- Code compliance upgrades required for federally funded affordable housing projects
We understand that affordable housing construction in LA comes with specific requirements: prevailing wage compliance, Davis-Bacon Act provisions for federally funded projects, and detailed documentation for funding compliance. Our team has navigated these requirements and can manage them from start to finish.
Roofing Systems for Los Angeles Apartment Buildings
Multi-family buildings in Los Angeles typically have one of three roof types — or a combination of all three. Here’s what you need to know about each one.
Flat Roof Systems
Flat roofs are the dominant roof type on apartment buildings throughout Los Angeles. They cover most of the building’s footprint and are the most vulnerable to water damage, UV degradation, and ponding water that doesn’t drain properly after rain.
The most common flat roof systems we install and repair in LA are:
TPO Roofing (Thermoplastic Polyolefin): The most popular single-ply membrane in Los Angeles right now. White or light gray in color, TPO roofing reflects sunlight, reduces cooling costs, and meets California’s cool roof requirements under Title 24. TPO membranes are heat-welded at the seams for a watertight bond. Lifespan: 20 to 30 years with proper maintenance. Cost: $7 to $13 per square foot installed.
EPDM Roofing: A rubber membrane roofing system that has been used on commercial and apartment buildings for decades. EPDM roofing is flexible, durable, and handles temperature swings well. It’s one of the most affordable flat roof options. Cost: $5 to $9 per square foot installed. Lifespan: 20 to 25 years.
Modified Bitumen: A multi-layer asphalt-based system that’s been a standard on Los Angeles apartment buildings for many years. It handles heavy foot traffic from HVAC maintenance and provides strong waterproofing. Modified bitumen is often the right choice when a building has significant rooftop equipment. Cost: $7 to $12 per square foot installed.
Cool Roof Coatings: If your flat roof is structurally sound, a silicone roof coating or elastomeric coating can extend its life by 10 to 20 years at a fraction of the replacement cost typically $2 to $5 per square foot. This is also one of the most cost-effective ways to meet California’s Title 24 cool roof requirements. We’ve done over 30 million square feet of cool roof coatings on apartment buildings across LA County.
Pitched Shingle Roof Sections
Many apartment complexes, especially garden-style buildings from the 1960s through 1990s, have pitched or sloped roof sections over individual units or building entries. These typically use asphalt shingles or tile, and they fail in different ways than flat roofs. Common problems include cracked or missing shingles, deteriorating flashing at chimneys and vents, and granule loss from UV exposure.
A good multi family roofing contractor handles both flat and pitched sections. You shouldn’t need two separate contractors for one building. JSN Construction does it all under one roof.
Mixed Systems
Most large apartment complexes in Los Angeles have both flat and pitched sections. A central flat roof covers the main building, while covered walkways, carports, and entry overhangs have pitched sections. We assess each section independently, recommend the right system for each area, and give you one clear project scope not a patchwork of separate bids from different companies.
Roofing as Part of a Full Apartment Renovation
A roof replacement or repair doesn’t happen in isolation. Many of our clients come to JSN Construction as a multi family roofing contractor and quickly realize that the building needs more attention than just the roof.
As multi family general contractors, we handle the full picture of apartment building construction and renovation. Here’s what that looks like in practice:
Unit Turns and Interior Renovation
When a tenant moves out, that’s your window to update the unit before the next lease. Unit turns painting, flooring, appliances, fixtures, and repairs are a core part of what we do as an apartment renovation contractor in Los Angeles. A fresh unit commands higher rent and attracts better tenants.
Exterior and Common Area Renovation
Beyond the roof, apartment buildings in LA often need exterior paint, stairway and walkway repairs, balcony waterproofing, window replacement, and parking area improvements. We coordinate all of these as part of a complete building renovation not as separate projects that create multiple schedules and multiple points of contact.
Soft Story Retrofit
Los Angeles has one of the most aggressive soft story retrofit programs in the country. Buildings built before 1980 with open parking on the ground floor are required to complete seismic retrofitting under the city’s mandatory program. JSN Construction handles soft story retrofits alongside roofing and renovation work, so owners can address multiple compliance requirements in one coordinated project.
ADU and Density Bonus Projects
California’s ADU laws have created significant opportunities for apartment building owners to add units to existing properties. As multi family general contractors, we help owners navigate the design, permitting, and construction of accessory dwelling units that generate new rental income without requiring a whole new building.
Our Blog Posts
New Construction Homes in Los Angeles: Build the Home You Actually Want
April 29, 2026
No Comments
Read More »
Construction Loan for Investment Property: What Multi Family Owners Need to Know
If you’re building a new apartment building or doing a major renovation on an existing one, you’ll likely need a construction loan for investment property. This is different from a standard mortgage it’s a short-term loan that funds construction as work progresses, then converts to permanent financing when the project is complete.
Here’s what property owners and investors typically need to know about a construction loan for investment property in the Los Angeles multi-family market:
Draw schedules: Construction loans are funded in stages called draws, as work is completed and inspected. Your lender will require documentation from the contractor at each draw milestone. JSN Construction provides detailed draw documentation, photos, and completion reports at every stage.
Lender inspections: Most construction lenders require on-site inspections before releasing draw funds. We coordinate inspection scheduling to keep draws on track and avoid delays.
Budget documentation: Lenders want to see detailed, itemized contractor bids before approving a construction loan. We provide complete bid packages that lenders accept the first time no back-and-forth revisions.
Timeline: Construction loan terms are typically 12 to 24 months. Delays cost money in the form of higher interest carry. JSN Construction builds detailed project schedules and hits milestones because we know that every week of delay is money out of your pocket.
Conversion to permanent financing: When construction wraps and the certificate of occupancy is issued, the loan converts to permanent financing. Getting there on time and with a fully permitted, inspected building is the goal and our track record shows that’s exactly what we deliver.
If you’re currently exploring a construction loan for investment property for a new apartment building or major renovation in Los Angeles, talk to us early. We’ll help you understand the real construction costs, realistic timelines, and what your lender will need to see.
Multi Family Roofing Costs in Los Angeles (2025 Numbers)
Here’s a realistic picture of what you’ll pay for multi family roofing contractor services in Los Angeles in 2025. All costs include labor and materials but exclude permits, which typically add $500 to $2,500 depending on project scope.
Flat Roof Replacement by Material:
Material | Cost Per Sq Ft | Best For |
TPO Roofing | $7 to $13 | Energy efficiency, cool roof compliance |
EPDM Roofing | $5 to $9 | Durability, budget-conscious owners |
Modified Bitumen | $7 to $12 | High foot traffic, rooftop equipment |
PVC Membrane | $9 to $15 | Chemical resistance, long lifespan |
Cool Roof Coating | $2 to $5 | Extending existing roof life |
By Building Size (flat roof replacement, mid-range materials):
- Small building (2,000 to 5,000 sq ft roof): $14,000 to $65,000
- Mid-size building (5,000 to 15,000 sq ft roof): $35,000 to $195,000
- Large complex (15,000 sq ft and above): $100,000 and up, priced by scope
Factors that affect your final cost:
- Rooftop equipment and HVAC units that require working around
- Number of penetrations (vents, drains, skylights, pipes)
- Access difficulty buildings with tight lots or limited staging areas cost more
- Number of existing roof layers that need to be removed
- Required deck repairs or insulation replacement discovered during tear-off
- Permit complexity based on scope and your city’s building department
Always budget a 10 to 15 percent contingency. Once tear-off begins, you sometimes find deck damage, wet insulation, or structural issues that weren’t visible during inspection. We identify as much as possible upfront but experienced multi family general contractors always plan for unknowns.
Why Los Angeles Multi Family Buildings Have Unique Roofing Needs
Roofing a Los Angeles apartment building is different from roofing one in Phoenix, Chicago, or Miami. Here’s what makes this market unique and why it matters who you hire.
California Title 24 Cool Roof Requirements
California’s Title 24 energy code requires cool roof systems on low-slope commercial and multi-family roofs. This means the roofing material must meet minimum solar reflectance and thermal emittance standards. TPO roofing and silicone coatings are both compliant options. Non-compliant materials will fail LADBS inspection. We spec every project to meet Title 24 from the start no corrections, no re-inspections.
LA’s Rainy Season and Ponding Water
Los Angeles gets most of its rain between November and March. Flat roofs that don’t drain properly develop ponding water standing water that sits after rain and accelerates membrane failure. Good drainage design is critical. We address drain placement, tapered insulation, and scupper sizing during every flat roof replacement to eliminate ponding before it starts.
UV Degradation from Year-Round Sun
LA’s sun is relentless. UV radiation breaks down roofing membranes faster here than in most other U.S. cities. We select materials with high UV resistance and recommend maintenance inspections every one to two years to catch minor issues before they become major failures.
Seismic Considerations
Earthquake activity can stress roof-to-wall connections, flashing seals, and parapet walls. After significant seismic events, a roof inspection is always a smart move. We know what to look for and can assess potential earthquake-related damage as part of a comprehensive building evaluation.
Working in Occupied Buildings
Tenants have rights in Los Angeles, and disrupting residents unnecessarily creates legal and reputational risk for property owners. We plan our work to minimize impact completing disruptive tasks during daytime hours, keeping common areas clear, and communicating directly with on-site managers about daily activities.
Why Property Owners and Investors Choose JSN Construction
There are a lot of roofing companies in Los Angeles. Here’s why property owners, HOA boards, and real estate investors choose JSN Construction as their multi family roofing contractor and multi family general contractor.
Full scope capability. We’re not just roofers. We’re a full-service general contractor. That means one company handles your roof, your unit turns, your exterior renovation, your soft story retrofit, and your ADU build. Less coordination, fewer contracts, and a single accountable point of contact for your building.
CSLB licensed and insured. Our California Contractors State License Board license is verifiable and current. Every subcontractor we use carries their own license and insurance. Unlicensed roofing work on a multi-family building creates liability exposure that no property owner should accept.
Permit and inspection management. We handle all LADBS permit applications and inspection scheduling. For roofing work on apartment buildings in Los Angeles, this isn’t optional it’s required. We submit complete packages the first time to minimize delays.
Detailed project documentation. For owners managing reserve funds, investors reporting to partners, or HOA boards presenting to members, we provide written inspection reports, photo documentation of all work, and completion reports at project close-out.
Real experience in LA. We’ve worked on apartment buildings across Los Angeles in Pasadena, Burbank, Glendale, Sherman Oaks, Culver City, Long Beach, and beyond. We know how LA building departments work, what LADBS expects, and how to keep a construction project on schedule in this city.
Honest estimates. We don’t low-ball to win the job and make up the difference in change orders. You’ll get a detailed, itemized proposal that accounts for real costs including permits, tear-off, and a reasonable contingency.
Protect Your Building. Protect Your Investment. Call JSN Construction.
A failing roof on an apartment building isn’t just a maintenance issue it’s a threat to your tenants, your income, and your asset’s value. The longer you wait, the more expensive the damage gets.
JSN Construction is a licensed multi family roofing contractor and multi family general contractor serving property owners and investors across Los Angeles. Whether you need a flat roof replaced, a cool roof coating to meet California’s energy codes, a complete apartment renovation contractor scope, or support with a construction loan for investment property documentation, we handle it all under one roof.
We serve property owners throughout Los Angeles, Pasadena, Glendale, Burbank, Sherman Oaks, Culver City, Long Beach, and the surrounding areas. If your building is in LA County, we can help.
Call JSN Construction today for a free building assessment and roofing estimate. We’ll inspect your roof, give you an honest assessment, and provide a clear proposal with real numbers no pressure, no guesswork.
📞 818-925-0053 🌐 JSN Construction 📍 Serving Los Angeles, CA and Surrounding Areas: Apartments, HOAs, Investment Properties