San Leandro, CA Home Safety: Home Safety Score unavailable
3 ZIP codes · 3 water systems · Updated
Data: EPA SDWIS
Key Facts for San Leandro Residents
- Average lead level: 0.0018 mg/L.
- Homes built before 1986: 84% - older plumbing may contain lead solder.
- Estimated remediation: $6,940 per household.
- CDC health risk index: 9.67.
San Leandro's Water Providers
Multiple utilities divide San Leandro, CA's water service - 3 leading providers among 3 on the federal register.
Overview
We track home safety data for 3 ZIP codes in San Leandro, California (population ~109,055), covering 3 community water systems serving approximately 1,606,213 people region-wide. The EPA snapshots used for this build directly map water systems to 3 of 3 ZIP codes.
The available EPA record reports 0 violations for 3 ZIP codes with a reported violation count.
Water Sources
San Leandro water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0018 mg/L (EPA action level: 0.015 mg/L)
- 0 of 3 ZIP codes with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 3 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 94577 | — | East Bay Municipal Utility District | 1,442,800 |
| 94578 | — | East Bay Municipal Utility District | 1,442,800 |
| 94579 | — | East Bay Municipal Utility District | 1,442,800 |
All ZIP Codes in San Leandro
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
San Leandro Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
San Leandro Infrastructure Age
With 84% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Plumbing risk in older housing is defined by two eras: the pre-1970 period when lead pipes were commonly used for service lines, and the 1970-to-1986 period when lead solder remained standard in copper plumbing until the federal ban. San Leandro's median build year of 1956 lands in a range where both eras are heavily represented in the housing stock. That creates an elevated aggregate environment for plumbing-related lead exposure - one that city-level water quality averages don't capture, because the risk sits inside individual properties rather than in the distribution system.
Over half of homes in San Leandro were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in San Leandro
At current valuations, San Leandro sits in the low remediation-share tier - the equity impact of fixing documented issues is proportionally minor.
Remediation costs in San Leandro are relatively low compared to home values. The $4,593–$9,553 estimated range is a small fraction of median property value. Home values are 10% above the California average.
San Leandro: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Despite citywide averages serving as the standard public reference point, those aggregates cannot resolve what is happening at one specific faucet - and where 84% of San Leandro homes come from before the solder rule or where utility samples sit at or above the action mark, the gap between system data and faucet reality matters more than it does in lower-exposure communities. An in-home draw closes that gap, with certified filtration through retailer networks available where confirmed faucet results warrant additional measures.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
San Leandro: NFIP Claim Records and Water-Quality Context
Historical NFIP data for San Leandro contains 23 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $23,878. Among ZIP codes with claim records, 33% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$6,940</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for San Leandro, CA