This article is an attempt to show changes which concern social state of inhabitants living in Biebrza National Park communes, in terms of their equipment of water supply and sewage system and accessibility to basic educational facilities, such as primary and junior high schools. Multi-indicator characteristics was performed for time interval equal to 13 years (from 2001 to 2014), with 3–5 year step, i.e: 2001, 2004, 2009, 2014. Information was based on statistical data of Central Statistical Office, available in Local Data Bank (LDB). The assessment of socio-spatial availability has been based on the measures showing the given indicator in relation to the area or the number of population. The conducted analysis allowed to show differences in life quality of inhabitants living in communes where development highly depend on environmental factors. Except for actual state, attached graphics show the rate of change for socio-technical infrastructure, which is basic for sustainable development.