Belmont noise and liveability
San Francisco Bay Area. Aircraft and road noise, affordability, crime, rail access and flood risk, from published sources.
Belmont · one of 50 Bay Area cities
Prices are high.
Worth a look High prices, worth a look
Open it on the mapOn US scales: crime, road noise and flood risk are scored against California's own figures, and prices among the Bay Area's 50 cities alone. Not comparable with a UK score, nor with New York's.
- Quiet skies
- 7.5 / 10
- Affordability
- 0.0 / 10Scored among the 50 areas of San Francisco Bay Area alone, never with another city's prices: not comparable with UK scores - joint 35th of 50 here by price, cheapest first (16 areas share that figure)
- Liveability
- 4.7 / 10
- Environment
- 6.7 / 10
Noise and planes
Aircraft noise is low-moderate
Estimated from the FAA's published routes over the city's residents, fitted to the noise monitors of San Francisco and San Jose airports; not a measurementRoad noise
5.4% of residents in the 45 dB LAeq band or louder, scored 10 at none, 5 at California's 6.88%, 0 at double or more
BTS National Transportation Noise Map, 2022Air and flood
Flood risk
1.4% of residents in the 1% annual-chance flood zone, scored 10 at none, 5 at California's 3.14%, 0 at double or more
FEMA National Flood Hazard Layer, as read October 2026Living here
Crime
13.2 per 1,000 residents a year, scored 10 at none, 5 at California's 21.39, 0 at double or more.
California DOJ OpenJustice, 2025Rail access
Poor: the share of residents within 800 m of a rail, metro or light-rail station, banded as the UK is (buses and ferries are not counted)
BTS National Transit Map, compiled 2026Property
Median home value
$2M or more (the Census's top code)
US Census Bureau American Community Survey 5-year estimates, 2020-2024County price trend
San Mateo County, -0.61% in a year (a fact, not scored: county-wide)
FHFA county house price index, 2025See it on the map. The published routes, the federal noise map and every city's score in San Francisco Bay Area.
Open Belmont on the Sky Score mapWhere these numbers come from
Prices: US Census Bureau, American Community Survey 2020-2024 5-year estimates, table B25077 (median value of owner-occupied homes, USD), public domain; Price trend: Federal Housing Finance Agency, House Price Index for counties (annual, all-transactions), public domain; no FHFA endorsement is implied; Liveability (2 of 4 inputs): California DOJ OpenJustice Crimes and Clearances 2025, violent and property crimes per 1,000 residents (US Census Bureau Vintage 2025 estimates), public domain, on a US scale anchored on California's own rate over the agencies that police residents, 21.39; US Department of Transportation, Bureau of Transportation Statistics, National Transit Map Stops: the share of residents within 800 m of a rail, metro or light-rail station, banded as the UK is (CC BY 3.0 US; buses and ferries not counted). Any absent input has its weight redistributed, not defaulted; Residents: US Census Bureau, 2020 Census block population (P.L. 94-171), public domain; the frame every Bay Area share and the city aircraft band is taken over; Aviation noise context: ESTIMATED from the FAA routes of San Francisco, Oakland and San Jose airports, fitted to SFO's 29 noise monitors (DataSF, PDDL 1.0) and San Jose airport's 13 (its quarterly noise report to Caltrans), July 2025-June 2026; NOT a measurement at this address; Licence note: Open Government Licence v3.0 covers UK Crown copyright and does NOT apply to any data in this response; Road noise: USDOT Bureau of Transportation Statistics, National Transportation Noise Map 2022 (road, 24-hour LAeq), a US government work; BTS says it should not be used to evaluate noise levels at individual locations; Flood risk: FEMA National Flood Hazard Layer, Special Flood Hazard Area (1% annual chance), public domain; Flight routes: FAA Coded Instrument Flight Procedures, derived by Sky Score for the aircraft noise estimate; supplied "as is", without warranty, and not for navigation; Runway use: counted by Sky Score from aircraft positions via adsb.lol (ODbL 1.0), 2026-07-01 to 2026-08-31; the counts are offered under the ODbL
Methodology version 5.7. Full method: the methodology (and the API reference). Figures are for the whole city; a single address can differ, and the map shows the routes over each ZIP.