Multifamily Investing: How Apartment Syndications Work

Apartments 101

What is multifamily investing?

Multifamily investing is buying apartment buildings (residential rental property with five or more units) to earn rent and a gain when the property sells. Many individual investors do it passively, as limited partners in an apartment syndication or fund, rather than buying and running a building themselves. Other routes are listed apartment real estate investment trusts (REITs), non-traded REITs and interval funds, and loans or preferred equity on apartment properties.

A mobile home park is a different housing business, in which the owner rents out lots rather than apartments. The guide to manufactured housing communities covers it.

What is an apartment syndication?

An apartment syndication is a private deal in which a sponsor raises equity from passive investors and borrows the rest to buy apartments. The sponsor, also called the general partner, forms a company to buy one apartment property or a small portfolio. The passive investors are the limited partners.

Investors buy units in that company in a private placement, usually under SEC Rule 506(b) or 506(c). The sponsor finds the property, arranges the loan, runs the business plan and decides when to sell. The guide to GP vs LP roles explains who controls what.

The 2021-2022 lesson

What went wrong with multifamily deals after 2022?

Many apartment syndications bought in 2021 and 2022 were priced for low interest rates and financed with floating-rate loans. Both assumptions broke when rates rose. Higher rates raised the monthly interest on those loans and pushed cap rates up, which pulled values down. When cash flow falls short, a sponsor can pause distributions or ask investors for more money in a capital call. The dated record:

• Cap rates on apartments were about 5.75% to 6.2% in mid-2026, according to Northmarq (first half of 2026) and Marcus & Millichap (July 2026), which puts the rise since 2022 at roughly 1.5 percentage points.
• The National Council of Real Estate Investment Fiduciaries (NCREIF) tracks institutional property of all types. Its index fell 14.39% in value from its mid-2022 peak to the end of 2023. In the fourth quarter of 2023, properties with loans returned -6.87% at a 47% average loan-to-value. About 90 were worth no more than their debt (NCREIF, January 25, 2024).
• Multifamily delinquency in commercial mortgage-backed securities (CMBS) reached 8.04% in September 2026. That was above the overall CMBS rate for the first time since the Covid shutdowns (Trepp data, via YieldPro). Delinquency at banks, life insurers, Fannie Mae and Freddie Mac is far lower than in CMBS, according to the Mortgage Bankers Association's second-quarter 2026 report.
• 13% of multifamily mortgage balances mature in 2026 (MBA, February 2026). Floating-rate loans from 2021 and 2022 that refinance now face higher fixed rates. The 10-year Treasury was 5.09% on October 16, 2026. The Secured Overnight Financing Rate (SOFR), the base rate for most floating loans, was 3.87% on October 19 (FRED).

A rate cap protects the deal only until it expires. If the cash runs out, the operating agreement decides what happens next, including whether investors who skip a capital call are diluted. The guide to syndication risks explains how capital calls work.

Multifamily in 2026

Is multifamily investing worth it in 2026?

Multifamily investing in 2026 can be worth it, but the deal's price, debt and sponsor matter more than the year. The market offers higher cap rates than in 2021 and a shrinking construction pipeline. Against that sit slow rent growth and lingering loan stress.

Vacancy measures that include new buildings still leasing up run higher. Cushman & Wakefield's national figure was 8.6% in the third quarter of 2026. Relli co-founder and CEO Mor Milo described the setup in September 2026:

"Although there's tension from an investment standpoint in multifamily, it looks like there might actually be quite a bit more opportunity to be had."

Mor Milo, Relli co-founder and CEO, in Are we creating the next housing shortage? (September 24, 2026)

That is an opinion, not a forecast, and no one can promise where rents or cap rates go next.

Which markets are multifamily investors watching in 2026?

Multifamily investors in 2026 are watching new supply, the clearest dividing line between markets in the data. No reliable list of the best multifamily markets exists, because results turn on the submarket and the price paid. CBRE's midyear 2026 outlook says Sun Belt markets face lingering supply and more sensitivity to job growth. It adds that landlords there are using concessions to protect occupancy.

Nationally, apartment starts are about 75% below their 2022 peak (Marcus & Millichap, July 2026). Fewer than 480,000 units were under construction in the third quarter, 3.6% of the stock (Cushman & Wakefield). Supply within a few miles of the property matters more than any national figure.

From purchase to sale

How does an apartment syndication work, step by step?

An apartment syndication moves through seven steps, from the purchase contract to the yearly tax form:

1. The sponsor finds a property, signs a purchase contract and forms a company (usually an LLC or limited partnership) to own it.
2. The sponsor offers units to investors and files a Form D with the SEC within 15 days of the first sale.
3. Investors read the offering documents and subscribe at or above the sponsor's minimum. Across 4,172 U.S. real estate offerings filed on Form D from October 1, 2025 to September 30, 2026, the median stated minimum was $50,000. That figure comes from Relli's analysis of the SEC data (see the minimums data study).
4. The sponsor closes on the loan and the property. The loan may be a long-term fixed-rate loan or a short-term bridge loan, which is usually floating rate and common for renovation plans.
5. The sponsor runs the business plan and pays distributions from cash flow, commonly each quarter.
6. At a refinance or sale, cash flows through the waterfall: investors' capital back, a preferred return, then a split of profits with the sponsor. Preferred returns commonly run 6% to 10%, with 8% the most common. Holds commonly run 3 to 7 years.
7. Each year, the sponsor sends investors a Schedule K-1 for their tax returns.

The guide to how syndications work covers Rule 506(b) and 506(c) in depth.

How do you start investing in multifamily syndications?

Starting in U.S. multifamily syndications takes four steps: confirm you are eligible, find sponsors, check the sponsor before the deal, then read the documents. Most syndications are for accredited investors. A Rule 506(c) offering must take reasonable steps to verify that every buyer is accredited. A Rule 506(b) offering may also accept up to 35 financially sophisticated non-accredited investors.

Of 4,172 U.S. real estate offerings filed on Form D in the 12 months to September 30, 2026, 29.3% used Rule 506(c) (Relli analysis of SEC data). The accredited investor rules set out the income and net worth tests. The guide to vetting a sponsor lists the free public records to search.

Class A, B and C

What is the difference between Class A, B and C apartments?

Class A, B and C apartments are shorthand for a building's age, condition and rent level compared with its local market. No official body defines the letters for apartments, so a Class B building in one city can look like Class A in another.

Returns and risk

What returns do multifamily syndications target?

Multifamily syndication targets are sponsor projections, commonly cited at about 8% to 12% a year for core-plus plans and about 11% to 17% for value-add. The ranges come from industry sources that rarely say whether a figure is before or after fees.

Syndication returns come from two places: cash flow paid as distributions, and appreciation realized at a refinance or sale. The guide to core, value-add and opportunistic strategies explains why value-add leans on the sale.

Targets are not results. For context, NCREIF's index of institutional property, measured without debt, returned about 4.9% to 5.0% over the four quarters to mid-2026. Every apartment deal can lose money. Rents can miss, insurance and property taxes can rise, rates can stay high, and the sale price depends on cap rates years from now.

Private placements are also illiquid, so plan to hold until the sponsor sells. Ask whether any quoted internal rate of return (IRR) is gross or net of fees. The guide to IRR, equity multiple and cash-on-cash shows how to compare them.

Judging a deal

How do you evaluate a multifamily syndication deal?

Evaluating a multifamily syndication comes down to five areas: the assumptions, the supply around the property, the debt, the fees and the sponsor's record. The deal evaluation guide covers the general tests. Ask the sponsor:

1. What rent, vacancy and exit cap rate assumptions does the plan use? How do they compare with one named third-party source for this submarket? See how cap rates drive the sale price.
2. How much new supply is delivering within a few miles, and how many months of concessions are in the budget?
3. Is the loan fixed or floating? If floating, is there a rate cap, and when does it expire? When does the loan mature, and what is the debt coverage? What happens if refinance rates stay near today's 10-year Treasury of about 5.1%?
4. What fees do you earn (acquisition, asset management, refinance, disposition)? Do you get paid if investors lose money, and how much of your own money is in the deal?
5. Can I see your full deal-by-deal record, including weaker deals, capital calls and paused distributions, with projected and actual results side by side?

Related questions

Is multifamily recession-proof, and how is build-to-rent different?

Multifamily is not recession-proof, and build-to-rent differs from apartments because it is a community of houses or townhomes managed as one property. The cards below cover both, plus industrial and REITs.