State of New Hampshire - Brentwood
- Part of the state's official site. Town's mailing address, population, county, and districts for election purposes. Includes related links.
- http://www.nh.gov/municipal/brentwoo.html

Town of Brentwood
- Official town website. Includes town departments, meeting minutes, staff directory, event calendar, newcomer section, local organizations, and regional information.
- http://brentwood.town-center.org/