ASHA represents the interests of more than 500 companies involved in the finance, development and operation of housing for seniors including independent living, assisted living, memory care, and continuing care communities. ASHA provides legislative and regulatory advocacy, research, educational programs, and networking opportunities.

BOMA advocates for sustainability incentives, tax laws, and other legislation in the interest of building owners and managers. The Association provides measurement standards, and contributes to the development of building codes. It provides continuing professional development opportunities. BOMA's publications include BOMA Magazine, the Experience Exchange Report (EER), and the BOMA Method for the Measurement of Buildings. The EER was first published in 1920, and provides information on how to better manage and operate buildings. These annuals are available as bound volumes at the Library of Congress under TX980 .N33

REM is an international organization that advances the profession of real estate management. It serves the multifamily and commercial sectors.

The MBA is a trade association representing all aspects of the real estate finance industry, with a membership base that includes underwriters, originators, services, and mortgage companies. The MBA publishes the Commercial/Multifamily Quarterly Data Book, a report that contains tables, charts and analysis of key trends taking place in the commercial real estate finance industry.

The NAA is a trade association for apartment communities, owners, and suppliers. The National Apartment Association Education Institute (NAAEI) provides educational courses and certificate programs for professionals in the apartment industry. Publications include “Units Magazine” and industry economic data which includes vacancy rates, apartment stock data, metropolitan area apartment activity, and new apartment construction.

The NAHB is a trade association representing home builders, remodelers, manufacturing, building material suppliers, and the mortgage finance industry. It does advocacy work in the areas of mortgage finance, sustainability, and codes. It provides information on housing starts. The Association provides educational seminars, courses, and an annual convention. Produces the Multifamily Market Survey (MMS), providing insight into conditions for multi-family starts and rental occupancy. The NAHB Multifamily page on the NAHB site provides information on the types of multifamily housing, the NAHB Housing Credit Group engaged in affordable housing and the use of Low-Income Housing Tax Credit, financing, and best practices.

Cooperative housing are organizations where residents own the building as a group and each owns a share of the property, rather than their unit. Residents form a shared corporation that handles the management of the building. Limited-equity cooperatives limit the sale and purchase price of the shares to retain affordability. Most limited-equity co-ops only open membership to low and moderate income residents. NAHC has a number of publications, an annual conference, and advocates with government on items like green rewards incentives for multifamily housing.

Cooperative housing are organizations where residents own the building as a group and each owns a share of the property, rather than their unit.

NAREIM is an association of real estate investment managers interested in operational and strategic issues concerning investment in office, retail, multi-family, industrial and hotels. The Association provides programs, platforms, and tools to assist in benchmarking, networking, and education.

The NMHC is an industry group focused on the apartment industry including ownership, development, management financing, and community development. This website includes links to statistics, market trends and research.

Fair Market Rents (FMRs) data is used to determine payment standard amounts for the Housing Choice Voucher program, to determine initial renewal rents for some expiring project-based Section 8 contracts, to determine initial rents for housing assistance payment (HAP) contracts in the Moderate Rehabilitation Single Room Occupancy program (Mod Rehab), rent ceilings for rental units in both the HOME Investment Partnerships program and the Emergency Solution Grants program, calculation of maximum award amounts for Continuum of Care recipients and the maximum amount of rent a recipient may pay for property leased with Continuum of Care funds, and calculation of flat rents in Public Housing units. HUD estimates FMRs for Office of Management and Budget (OMB) defined metropolitan areas, some HUD defined subdivisions of OMB metropolitan areas and each nonmetropolitan county annually.

The Internal Revenue Service site provides forms and instructions, resources for small businesses. The website has a special Real Estate Tax Center to provide guidance on income, deductions, and record keeping as it relates to rental income.

Fair Market Rents (FMRs) data is used to determine payment standard amounts for the Housing Choice Voucher program, to determine initial renewal rents for some expiring project-based Section 8 contracts, to determine initial rents for housing assistance payment (HAP) contracts in the Moderate Rehabilitation Single Room Occupancy program (Mod Rehab), rent ceilings for rental units in both the HOME Investment Partnerships program and the Emergency Solution Grants program, calculation of maximum award amounts for Continuum of Care recipients and the maximum amount of rent a recipient may pay for property leased with Continuum of Care funds, and calculation of flat rents in Public Housing units. HUD estimates FMRs for Office of Management and Budget (OMB) defined metropolitan areas, some HUD defined subdivisions of OMB metropolitan areas and each nonmetropolitan county annually.

This site provides free online access to annual statistics on housing vacancies, including Annual Reports from 1995 (Including Metro Area and State Data). Provides historical tables back as far as 1956, revised housing inventories since the 2000s, and current rental and occupancy graphs. You can create your own time series and trend charts on over a dozen variables, including housing vacancies and ownership, manufactured housing, new home sales, and construction spending.

Data on single dwelling, multi-family, industrial and commercial building, civil engineering construction and the specialty building trades such as masonry, glazing, siding, electrical and plumbing contractors.

The Property Owners and Managers Survey (POMS) was designed to learn more about rental housing and the providers of rental housing.

SOMA collects data for new residential construction. The SOMA reports provide information on amenities, rent/sales price levels, number of units, type of building, and the number of units taken off the market (absorbed). Includes visualizations and tables.