# American Association on Intellectual and Developmental Disabilities

Business profile: public business information with links to supporting state records. Data as of October 16, 2026.

- Legal business name: American Association on Intellectual and Developmental Disabilities
- Alternative and DBA names: American Association on Mental Deficiency (Inc.); American Association on Mental Deficiency, Incorporated; American Association on Mental Retardation
- Entity type: Nonprofit
- Original incorporation date: December 16, 1937
- Time in business: 88 years and 10 months
- Jurisdiction count: 11

## All known addresses

- 8403 Colesville Rd Ste 900, Silver Spring, MD 20910 (listed in Colorado, District of Columbia, Hawaii, Iowa, Montana, North Dakota, Washington)
- 501 3rd St NW Ste 200, Washington, DC 20001 (listed in Iowa, Louisiana, Oregon)

## Registered states

- [Colorado](https://index.baselayer.com/co/bcd1822bd14e2d5b): Foreign registration
- [District of Columbia](https://index.baselayer.com/dc/db046062864a4861): Foreign registration
- [Hawaii](https://index.baselayer.com/hi/c722fc893aae4a64): Foreign registration
- [Illinois](https://index.baselayer.com/il/4fb87a8677a0ce79): Foreign registration, as American Association on Mental Retardation
- [Iowa](https://index.baselayer.com/ia/8ec2d9b431419605): Foreign registration
- [Iowa](https://index.baselayer.com/ia/d8b9429d2da23f8e): Foreign registration
- [Louisiana](https://index.baselayer.com/la/f66fd2b8cb02b3c2): Foreign registration
- [Montana](https://index.baselayer.com/mt/793095c417513c3a): Foreign registration
- [North Dakota](https://index.baselayer.com/nd/3943acfb9fca00f2): Foreign registration
- [Oregon](https://index.baselayer.com/or/083c1a0a5dde7206): Foreign registration
- [Pennsylvania](https://index.baselayer.com/pa/3f5e7ff961a2a9d0): Domestic registration
- [Washington](https://index.baselayer.com/wa/c31f581b745dbdee): Foreign registration

Source: public state registration records. Missing values are not a negative finding.

Cite as: Baselayer Business Index (https://index.baselayer.com/business/3f5e7ff961a2a9d0)