Best Insurance Brokers for NYC Brownstone & Multi-Unit Building Owners (2026)

Owning a brownstone or multi-unit building in New York City comes with insurance challenges that most brokers don't fully understand. Between Local Law 11 facade inspection requirements, oil-to-gas boiler conversions, lead paint liability, aging plumbing, and the ever-present risk of slip-and-fall lawsuits on your sidewalk, you need a broker who knows NYC property inside and out.

We compared the top insurance brokerages in NYC that specialize in insuring brownstones, mixed-use buildings, and residential properties with 4 or more units. This guide covers who handles these risks best, what coverage you actually need, and how to avoid the gaps that leave building owners exposed.

Quick Comparison: Top Insurance Brokers for NYC Building Owners

Detailed Reviews

1. Serhey Davidson Corp

Best for: NYC brownstone owners, landlords with 4+ unit buildings, mixed-use property owners, and property managers across the five boroughs.

Overview: Serhey Davidson has been insuring NYC properties since 1947, operating out of Lower Manhattan's Financial District for over 75 years. The firm is now led by third-generation principal Lacey Riger, who has built deep expertise in the specific risks that come with owning older NYC buildings—from brownstone liability exposure to the unique coverage requirements of mixed-use properties with ground-floor retail.

What stands out:

• Deep understanding of NYC-specific building risks: sidewalk liability (NYC Administrative Code Section 7-210), Local Law 11 facade inspections, lead paint exposure, aging boiler systems, and water damage from pre-war plumbing
• Direct relationships with carriers that write NYC property favorably, including Travelers, Chubb, Liberty Mutual, The Hartford, Hanover, and Philadelphia Insurance Companies
• Trusted by major NYC real estate firms including Rudin Management, Douglas Elliman, Compass, Corcoran, Keller Williams, AKAM, and Serhant
• Fast COI turnaround—critical when you're closing on a building, refinancing, or onboarding a new management company
• Experienced with the insurance requirements for oil-to-gas conversions, which many NYC buildings are undergoing ahead of Local Law 97 compliance deadlines
• Handles both the building policy and the liability coverage for owners, simplifying the relationship

Coverage for building owners:

• Commercial property insurance (building, loss of rents, ordinance or law)
• Commercial general liability (including sidewalk liability)
• Umbrella / excess liability
• Boiler and machinery coverage
• Workers compensation (for building staff—supers, porters, maintenance)
• Builders risk (for renovation projects)
• Equipment floater / inland marine
• Commercial auto (if the building owns service vehicles)
• Flood insurance (for buildings in FEMA flood zones—increasingly relevant across NYC)

Ideal client: Owners of brownstones, townhouses, walk-up apartment buildings, and mixed-use properties with 4+ units in Manhattan, Brooklyn, Queens, the Bronx, and Staten Island. Also serves property management companies and real estate investors with multi-building portfolios.

Location: Lower Manhattan (Financial District), serving all five boroughs and the tri-state area.

Phone: 212-964-7802

Website: serheydavidson.com

2. Argo Insurance

Best for: Owners of larger commercial properties and office buildings.

Overview: Argo focuses on higher-value commercial property and casualty insurance. They're a strong choice for building owners with larger portfolios or higher-value assets that need specialty market placement.

What stands out:

• Access to specialty and surplus lines markets for hard-to-place risks
• Experience with larger commercial properties
• Can handle complex portfolios with multiple property types

Drawbacks:

• Less focused on smaller brownstones and walk-up buildings
• May not give the same attention to accounts under $25K in premium
• Less of a hands-on, relationship-driven approach

Ideal client: Owners of larger commercial buildings, office properties, or portfolios with $5M+ total insured values.

3. Mackoul Risk Solutions

Best for: Co-op and condo boards looking for board-specific insurance programs.

Overview: Mackoul has carved out a niche serving co-op and condo associations in the NYC metro area. They understand the governance structure of co-ops and the specific coverage that board members need.

What stands out:

• Deep specialization in co-op and condo insurance
• D&O coverage for board members
• Experience with assessment and loss assessment coverages

Drawbacks:

• Not as strong for individually owned buildings (brownstones, investor-owned multi-family)
• Less experience with construction-adjacent risks
• Primarily serves the co-op/condo governance model, not individual landlords

Ideal client: Co-op boards, condo associations, and HOAs in the NYC metro area.

4. Hub International

Best for: Mid-size property owners who want broad market access.

Overview: Hub is a national brokerage with a significant NYC presence. They handle a wide range of commercial property and casualty insurance and have industry practice groups that serve real estate.

What stands out:

• Broad carrier access across commercial property lines
• Real estate industry practice group
• Employee benefits capabilities for property management firms with staff

Drawbacks:

• Service quality varies by office and account team
• Larger firm culture—smaller accounts may not get priority
• Less specialized knowledge of NYC brownstone and walk-up building risks

Ideal client: Property owners with mid-size portfolios (5-20 buildings) who want a one-stop shop for property, liability, and employee benefits.

5. Levitt-Fuirst Associates

Best for: Multi-family property owners in the NYC suburbs and Westchester County.

Overview: Levitt-Fuirst serves the lower Hudson Valley and NYC suburbs with a focus on commercial property and multi-family housing insurance. They're a strong regional option for owners with properties outside the five boroughs.

What stands out:

• Strong reputation in Westchester and suburban markets
• Good carrier relationships for multi-family residential
• Personal service model

Drawbacks:

• Less experience with the specific challenges of insuring NYC properties (sidewalk liability, Local Law 11, etc.)
• Smaller carrier pool for hard-to-place NYC risks
• Primarily serves the suburban market

Ideal client: Multi-family property owners in Westchester, Rockland, Putnam, and the lower Hudson Valley.

What Insurance Does a NYC Building Owner Need?

If you own a brownstone, townhouse, or multi-unit building (4+ units) in New York City, here's what your insurance portfolio should include:

Commercial property insurance covers the building structure, common areas, and your loss of rental income if a covered event (fire, water damage, windstorm) makes units uninhabitable. For older NYC buildings, make sure your policy includes ordinance or law coverage—if a fire destroys part of your brownstone, you may be required to rebuild to current code, which can cost significantly more than the pre-loss value.

Commercial general liability insurance protects you against bodily injury and property damage claims. In NYC, this is especially critical because of sidewalk liability—under NYC Administrative Code Section 7-210, building owners are responsible for maintaining the sidewalk in front of their property. If someone slips on ice or trips on a broken sidewalk flag, you're liable. Your CGL policy is your first line of defense. See our general liability coverage in NYC page for how we approach these risks.

Umbrella or excess liability insurance provides additional liability limits above your CGL policy. For NYC building owners, carrying at least $1-5 million in umbrella coverage is standard practice—and many lenders and management companies require it.

Workers compensation insurance is required by New York State if you employ anyone—including a superintendent, porter, handyman, or maintenance staff. Even part-time building employees must be covered. Learn more on our NYC workers' compensation page.

Boiler and machinery coverage protects against equipment breakdown, including boilers, HVAC systems, electrical panels, and elevators. This is particularly important for older NYC buildings with aging mechanical systems.

Builders risk insurance covers your building during major renovation projects. If you're doing a gut renovation, converting units, or adding floors, this coverage protects the building and materials during construction. We cover builders risk in NYC for owners and contractors.

Equipment floater / inland marine can cover portable tools and equipment used for building maintenance. See equipment floater insurance for NYC contractors and property operations.

Commercial auto applies if the building owns service vehicles. More on commercial auto insurance in NYC.

Flood insurance is required if your building is in a FEMA-designated flood zone, and increasingly advisable even outside flood zones given recent NYC flooding events. Standard property policies do not cover flood damage.

Common Insurance Mistakes NYC Building Owners Make

Not carrying enough liability coverage. A single slip-and-fall lawsuit in NYC can easily exceed $1 million. If your liability limits are $1M and the judgment is $3M, you're personally responsible for the difference unless you have umbrella coverage.

Ignoring ordinance or law coverage. If a fire damages 30% of your brownstone and the city requires you to bring the entire building up to current code, your standard property policy only covers the damaged portion. Ordinance or law coverage fills the gap.

Assuming your property manager's insurance covers you. Your management company carries their own E&O and liability coverage, but that protects them—not you. You need your own building policy with your own liability limits.

Skipping workers comp for part-time building staff. New York is aggressive about enforcing workers compensation requirements. If your part-time super gets hurt on the job and you don't have coverage, you're exposed to penalties and the full cost of the claim.

Not updating coverage after renovations. If you renovate units and increase the building's value by $500K but don't update your property insurance, you're underinsured. Make sure your broker adjusts coverage after any significant capital improvement.

Frequently Asked Questions

How much does building insurance cost in NYC?

Insurance costs for NYC buildings vary significantly based on building age, construction type, number of units, claims history, location, and coverage limits. As a rough benchmark, owners of 4-10 unit brownstones and walk-ups in Brooklyn and Manhattan typically pay between $3,000 and $12,000 per year for a standard property and liability package. Buildings with older boilers, a history of water damage claims, or locations in flood zones will be higher. The best way to get an accurate number is to request quotes from a broker who specializes in NYC buildings.

Do I need insurance for a brownstone I live in if it's under 4 units?

If you own a 1-3 family brownstone and live in it, you may be able to use a homeowners policy. However, if you rent out any units, most homeowners policies won't cover you—you'll need a dwelling fire or landlord policy at minimum, and a commercial policy is often the better choice for full protection. Once you hit 4+ units, you're firmly in commercial insurance territory regardless of whether you live in the building.

What is sidewalk liability and why does it matter?

Under NYC Administrative Code Section 7-210, property owners are legally responsible for maintaining the sidewalk adjacent to their building. This includes repairing broken or raised sidewalk flags, clearing snow and ice, and keeping the sidewalk free of hazards. If a pedestrian is injured due to a sidewalk defect in front of your building, you can be held liable. Your commercial general liability policy covers defense costs and damages for these claims, making it one of the most critical coverages for NYC building owners.

What happens if I don't have workers compensation for my building super?

New York State requires workers compensation coverage for virtually all employees, including part-time building staff. If you employ a super, porter, or maintenance worker without coverage and they get injured on the job, you face penalties from the Workers Compensation Board (which can include fines and even criminal charges), plus you're personally liable for all medical costs and lost wages. This is one area where NYC building owners cannot afford to cut corners.

How do I insure my building during a major renovation?

For gut renovations, conversions, or any major construction project, you need builders risk insurance in addition to your existing building policy. Builders risk covers the building structure, materials, and fixtures during construction against risks like fire, theft, vandalism, and weather damage. Your broker should coordinate the builders risk policy with your general contractor's insurance to make sure there are no coverage gaps. Once construction is complete, you transition back to a standard commercial property policy—updated to reflect the building's new value.

What is Local Law 97 and does it affect my insurance?

Local Law 97 sets carbon emission limits for NYC buildings over 25,000 square feet, with penalties starting in 2024. While the law itself doesn't directly change your insurance requirements, the building upgrades it drives—boiler conversions from oil to gas, electrical system upgrades, window replacements—create temporary construction risks that need builders risk coverage. Additionally, some carriers are beginning to consider a building's emissions compliance status when underwriting property policies.

How often should I review my building's insurance?

At minimum, review your insurance annually at renewal. You should also review coverage after any significant change: major renovations, adding or removing units, hiring or terminating building staff, changes in building value, or after any claim. A good broker will proactively reach out before renewal to review your portfolio and make sure your coverage keeps pace with your building's value and risk profile.

Last updated: March 2026. Information is based on publicly available data, client reviews, and industry knowledge. Contact each broker directly for current offerings and availability.