San Leandro, CA Noise Levels
Noise levels in San Leandro, CA
At 47.5 dB(A), San Leandro, CA falls inside HUD's "Acceptable" noise zone, 65 dB(A) day-night average or below under 24 CFR 51.104, the federal government's own line for building housing with no extra sound attenuation required. The main source is rail traffic, well ahead of the other two modes BTS tracks.
This describes San Leandro as a whole, not a specific block, the underlying BTS map resolves to about 38 meters per pixel, sampled at the town's own center point.
Where San Leandro's noise comes from
BTS models these three sources separately before combining them, so a place can be quiet on two and loud on the third.
If you're weighing a move to San Leandro
The same window and door upgrades that work on road noise also cut broadband rail noise, though very low-frequency freight rumble travels through walls, not just glass.
How San Leandro compares nationally
San Leandro ranks 1,855 of 3,622 measured places nationally, 1 being the loudest this dataset covers. By population, it ranks 418 of the 12,137 places in this dataset, home to about 86,571 people.
Checking one address in San Leandro
San Leandro's figure above is a town-wide reading. For one exact address, BTS's own map is the free, authoritative source.
Where San Leandro's figures come from
Every dB(A) figure on this page traces to a named BTS dataset, documented in the methodology guide. The guide to what actually cuts each kind of noise explains why rail traffic calls for a different fix than the other two sources.