Overall Score IndexScore range: 29.8–78.3 • Higher is better

29.85478.3

Score key

Colors run from the lowest (29.8) to the highest (78.3) community score this year, on a 0–100 point scale. Labels repeat the same meaning.

29.8–41.9Lowest in county
41.9–54Below midpoint
54–66.2Above midpoint
66.2–73.5Strong
73.5–78.3Highest in county

No data

Selected community outline

How scoring works

This metric runs from 0 to 78.3 points. Relative metrics scale communities against the county leader; component metrics retain their published point maxima. Topic and rollup scores combine the source-backed metrics available for that community. Map colors use scores, not raw values.

Accessible map data table

Select a community name to update the map and analysis.

Overall Score Index values shown on the map
Community	Score	Value
	78.3 / 100	78.31
	67.5 / 100	67.55
	61.4 / 100	61.37
	60.4 / 100	60.36
	59.9 / 100	59.93
	59.9 / 100	59.92
	56.5 / 100	56.49
	55.1 / 100	55.1
	54.4 / 100	54.41
	53.0 / 100	53.05
	48.5 / 100	48.47
	48.1 / 100	48.15
	46.0 / 100	46.03
	45.3 / 100	45.27
	43.7 / 100	43.69
	42.3 / 100	42.27
	37.0 / 100	36.99
	33.3 / 100	33.29
	31.4 / 100	31.4
	29.8 / 100	29.8

Overall Score Index

Contra Costa County overall sustainability rollup score. This index averages the Topic Scores available for the selected year, including solar/storage, waste disposal and programs, EVs registered and chargers, and Green Power when published.

0–100 relative performance index; not a compliance grade.

Source datasets: 10
Observation years: 2025, 2024
Last refreshed: 2026-10-12
Source status: Includes reviewed fallback source records

San Ramon

2025 snapshot

78.3

Rank: #1 of 20
Benchmark: +27.7 vs county mean
Index score: 78.31 · Higher is better
Strongest area: Waste disposal and programs: 100.0
Lowest-scoring available domain: Green Power: 59.9

Based on 10 source records for the selected topic. This measure uses a published 0 to 100 point scale; ranks are point-in-time comparisons, not measures of statistical certainty.

Analysis

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Community ranking

2025 score, highest to lowest

#1of 20

Solar & Storage

Waste disposal and programs

EVs registered and chargers

Green Power

View ranking table

2025 communities ranking for the selected metric
Rank	Community	Score (of 100)
1	San Ramon	78.3
2	Uni. CCC	67.5
3	Martinez	61.4
4	Lafayette	60.4
5	Danville	59.9
5	Walnut Creek	59.9
7	El Cerrito	56.5
8	Richmond	55.1
9	Moraga	54.4
10	Pittsburg	53.0
11	Pleasant Hill	48.5
12	Oakley	48.1
13	San Pablo	46.0
14	Pinole	45.3
15	Concord	43.7
16	Brentwood	42.3
17	Orinda	37.0
18	Clayton	33.3
19	Antioch	31.4
20	Hercules	29.8

County mean

20 communities with data

50.6

Community comparison

Score comparison for the selected 2025 measure

San Ramon: #1

1San Ramon78.3
2Uni. CCC67.5
3Martinez61.4

San Ramon summary

Ranked #1 with a score of 78.3 out of 100.