Articles

Larger Buildings and Smaller Units: How New Multifamily Completions Continue to Evolve

Driven by high construction costs, land constraints, and rental affordability, developers are increasingly prioritizing smaller units in higher-density multifamily properties. Utilizing data from the U.S. Census Bureau’s annual Survey of Construction, the research teams at Chandan Economics and Arbor Realty Trust have analyzed how the characteristics of new multifamily properties continue to evolve.

Finance

10 Items to Have on Hand for the Fastest Financing Possible

In today’s constantly evolving market environment, partnering with a lender that can balance prioritizing speed of execution with tailored solutions makes all the difference in securing the financing you need. Arbor’s experience, expertise, and innovation, combined with our willingness to understand each deal and work to make it successful, set us apart from other multifamily lenders. In our more than three decades of closing deals, we’ve found that having these 10 items on hand at the beginning of your borrowing journey helps prevent roadblocks and streamlines the entire financing process.

Articles

Markets Where the Share of Renters is Highest

The U.S. housing market reflects a patchwork of local needs, preferences, and geographies, creating distinct storylines. Across the country, many significant shifts have occurred over the last five years, an analysis of U.S. Census Bureau data shows. More expensive housing markets tend to support higher percentages of rental households, and in fast-growing metros, rentals have become a highly effective and flexible way to house new residents.

Articles

SFR Investing: A Guide to Seizing the Sector’s Momentum

Single-family rental (SFR) investing is surging as this asset class outperforms. With homeownership less attainable and lifestyle renting more popular, the sector’s tailwinds bode well for long-term growth. If you are new to this space, our guide has answers to commonly asked questions.

Current Reports

Single-Family Rental Investment Trends Report Q2 2025

Bolstered by robust build-to-rent (BTR) activity, the single-family rental (SFR) sector continued to display strength even as the residential housing market moderated. Arbor’s Single-Family Rental Investment Trends Report Q2 2025, developed in partnership with Chandan Economics, provides original research and analysis of key performance metrics for investors to take a closer look at a sector on the rise.

Analysis

Small Multifamily Investment Snapshot — June 2025

Amid ongoing macroeconomic uncertainty, the small multifamily sector remains favorably positioned for stability as the structural need for affordable housing in the U.S. has supported the strength of the sector’s demand profile.

General: 800.ARBOR.10

Home | Management Team | William Foster

William Foster

Managing Director, Tax and Strategic Planning

William Foster is responsible for all of Arbor’s corporate income tax matters, including tax structuring of transactions; management of effective tax rates; general tax planning; assistance with M&A structuring; and oversight for income tax compliance. This entails advising the Chairman and other executives within the Arbor family of legal entities on complex tax structures and strategic planning initiatives to enhance shareholder value.

Mr. Foster comes to Arbor with vast expertise in taxation and building shareholder value. Prior to joining Arbor, he was the Founder and Managing Partner of Foster & Foley LLP, a tax consulting practice advising high-net-worth individuals and multinational companies on diverse consulting strategies to minimize tax liabilities and increase shareholder value. Mr. Foster began his career at Ernst & Young LLP, a global professional services firm.

Mr. Foster received a Bachelor of Science in Accounting from Adelphi University and has been a practicing CPA for more than three decades. He is also an active member of the American Institute of Certified Public Accountants (AICPA) and the New York State Society of CPAs (NYSSCPAs).

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