Mobile home park investing often gets pitched as the simplest, most stable corner of real estate. After all, you own the dirt, residents own the homes, and turnover stays remarkably low. However, beneath that clean pitch sits a layer of expenses that rarely makes it into a glossy pro forma. While the asset class can offer attractive returns, new investors should understand what could quietly erode their net operating income (NOI). Below, we’ll walk through the hidden costs of mobile home park ownership that often catch first-time buyers off guard, along with why they still might not outweigh the long-term upside.

Why Mobile Home Parks Still Attract Serious Capital

Before diving into the costs, it helps to understand the demand. Roughly 20 million Americans live in manufactured housing, and mobile home park residents typically spend 20–40% less on housing than people in non-manufactured options across the 100 largest U.S. metros. Furthermore, institutional investors accounted for about 23% of mobile home park purchases in 2020–2021, up from 13% in the prior three years, signaling growing confidence in the space.

Still, the smartest investors know that the upside generally rewards those who plan for the costs no one mentions at the conference circuit.

Utility Infrastructure Surprises

Water and Sewer Systems Can Quietly Drain NOI

Water and sewer typically rank as the single largest line item on most mobile home park profit and loss statements. Moreover, water and sewer expenses across the country have surged 25–30% in just five years in many markets. Therefore, master-metered properties without a bill-back system often absorb every rate hike directly.

To put this in perspective, one mobile home park in Kentucky reportedly leaked roughly $5,000 per month in undetected water loss, which translated to about $60,000 annually. At an 8 cap, that single issue could shave nearly $1 million off the property’s value.

Private Utility Systems Add Another Layer

If a mobile home park runs on a well, septic system, or lagoon rather than municipal services, the owner generally shoulders all repairs, testing, and compliance upgrades. While these systems can lower monthly bills, they may also trigger five- or six-figure capital expenses with little warning.

Insurance Premiums That Keep Climbing

Insurance has become one of the fastest-growing line items for many mobile home park owners. Depending on size, location, and infrastructure age, annual premiums for a single mobile home park can run anywhere from $3,000 to $10,000 or more, and many owners report year-over-year increases regardless of claims history.

Additionally, properties in hurricane zones, wildfire regions, or areas with aging infrastructure often face steeper hikes. Owners may also need separate flood, earthquake, or umbrella policies, since standard commercial property coverage typically excludes those risks.

Regulatory Compliance and Legal Costs

Environmental and Housing Regulations

Local, state, and federal regulations shift constantly. For example, environmental rules may require costly upgrades to water testing, sewage treatment, or stormwater management. As a result, owners may need to budget for ongoing legal counsel, engineering reports, and permit fees that rarely show up in a seller’s expense statement.

State-Specific Rent and Eviction Laws

Several states have introduced new protections that directly affect operating costs. New York, for instance, generally caps annual rent increases in mobile home parks at 3%, with limited circumstances allowing up to 6%. Maine has gone further by giving residents a right of first refusal when a mobile home park is listed for sale and adding fees on certain out-of-state buyers. Consequently, investors should factor in legal review and potentially slower rent growth in regulated markets.

Tenant Turnover and Vacant Lot Costs

Although mobile home parks generally see lower turnover than apartments, vacancies still carry real costs. When a home leaves, the lot often sits empty until a new home gets moved in or sold. Moving a mobile home can cost $3,000 to $10,000, which means lots can stay vacant for months while the owner covers taxes, utilities, and marketing.

Furthermore, park-owned homes add maintenance burdens that tenant-owned models avoid, including roofing, plumbing, HVAC, and leveling repairs.

Capital Expenditures Most Pro Formas Underestimate

Roads, Trees, and Common Areas

Asphalt repairs, tree removal, fencing, signage, lighting, and clubhouse maintenance can all generate sudden bills. Notably, a single tree removal in a high-cost market can run thousands of dollars, and full road repaving on a mid-size mobile home park can climb well into six figures.

Aging Electrical Pedestals

Older mobile home parks often have electrical pedestals nearing the end of their useful life. Replacing them across an entire mobile home park can be a meaningful capital event that rarely appears in seller projections.

Management and Professional Fees

Finally, many investors underestimate the cost of running a mobile home park well. On-site managers, bookkeeping, legal counsel, accounting, property tax appeals, and specialized software all add up. While self-management may seem appealing, the time investment can be significant, especially across multiple properties or states.

Is Mobile Home Park Investing Still Worth It?

Despite these hidden costs, mobile home park ownership may still offer compelling fundamentals. Demand for affordable housing continues to grow, supply remains constrained because new mobile home parks are rarely approved, and roughly 80% of existing mobile home parks are still owned by smaller, non-institutional operators, leaving room for value-add opportunities.

The takeaway isn’t that the asset class is risky; rather, it’s that the most successful investors plan for these expenses up front. By underwriting conservatively, conducting thorough due diligence, and budgeting for the unglamorous line items, owners can position themselves to capture the long-term benefits this space may offer.

In short, mobile home park ownership tends to reward those who respect the details. Once you understand where the hidden costs live, you can make informed decisions and pursue this asset class with realistic expectations.

Disclaimer:

The information provided is for informational purposes only and is not investment advice or a guarantee of any kind. We do not guarantee profitability. Make investment decisions based on your research and consult registered financial and legal professionals. We are not registered financial or legal professionals and do not provide personalized investment recommendations. This article was written with the help of AI and reviewed by Andrew’s team. Always consult a licensed professional before investing.