CITY REPORT CA

Millbrae, CA Home Safety: Home Safety Score unavailable

1 ZIP code · 2 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
2
Water Systems
0
ZIPs with Violations
Zone 2
Radon Risk (Moderate)
$1.9M
Median Home Value
$1,900
Est. Remediation (0.1% of home value)

What You Should Know About Millbrae Water

  • Homes built before 1986: 84% - older plumbing may contain lead solder.
  • Estimated remediation: $1,900 per household.
  • CDC health risk index: 9.58.

Who Supplies Your Water in Millbrae

Federal drinking water records identify 2 systems in Millbrae, CA. The leading 2 providers serve the largest share of residential connections, each operating as a separate entity with its own rate authority, infrastructure management, and EPA compliance obligations - so service conditions are not uniform city-wide.

Overview

We track home safety data for 1 ZIP code in Millbrae, California (population ~22,589), covering 2 community water systems serving approximately 65,426 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.

Water Sources

Millbrae water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0000 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 2 (Moderate Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Areas with No Violations

ZIP Code Safety Score System Population
94030 City of Millbrae 22,795

All ZIP Codes in Millbrae

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Health Outcomes in Millbrae

8.5%
Asthma (US: 9.8%)
10.6%
Diabetes (US: 10.4%)
13.1%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 8.5% ↓
Diabetes 10.6% ↑
Mental Health 13.1% ↓

Vertical line = national average. Above national · Below national

Housing & Infrastructure in Millbrae

1969
Median Build Year
84%
Built Before 1986
49%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

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

Viewed through the lens of construction era, Millbrae is predominantly an older city - a median build year of 1969 puts most of the residential inventory in the range where pre-1986 plumbing materials were the standard.

1969
Median Year Built
84%
Pre-1986 (Lead Paint Risk)
49%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (49%) 1970–1986 (35%) Post-1986 (16%)

Over half of homes in Millbrae 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.

Cost Context: What Remediation Means for Millbrae Homeowners

Within the Millbrae market, estimated remediation claims a small portion of typical property equity - the financial burden is proportionally low.

Median Home Value
$1.9M
Est. Remediation
$1,900
Remediation as % of home value 0.1%

Remediation costs in Millbrae are relatively low compared to home values. The $950–$3,200 estimated range is a small fraction of median property value. Home values are 161% above the California average.

Lead Exposure Risk for Children in Millbrae

84%
Homes Built Before 1986

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.

Practically, the structural drivers in Millbrae - 84% pre-rule stock and citywide monitoring at or beyond the regulatory benchmark - make an in-home draw the practical way to translate aggregate averages into the specific conditions at one address.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Historical NFIP Claim Context in Millbrae

55
Total FEMA Flood Claims
$12,000
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Millbrae contains 55 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $12,000. Among ZIP codes with claim records, 100% 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>$1,900</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.

Frequently Asked Questions

How many water systems serve Millbrae?
Millbrae is served by 2 public water systems across 1 ZIP code, serving approximately 22,589 people.
How much does it cost to fix water issues in Millbrae?
Estimated remediation costs in Millbrae average $1,900 per household, ranging from $950 to $3,200. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesCalifornia → Millbrae, CA

How to cite this page

APA ZipCheckup. (2026). Millbrae, CA Home Safety: Home Safety Score unavailable. https://zipcheckup.com/cities/ca/millbrae/
BibTeX
@misc{zipcheckup-cities-ca-millbrae,
  author = {{ZipCheckup}},
  title  = {{Millbrae, CA Home Safety: Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ca/millbrae/}
}

Page version: August 2026.

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