CITY REPORT NY

Richmond Hill, NY Home Safety: Home Safety 100/100

1 ZIP code · 1 water system · Updated

ZipCheckup grade for Richmond Hill: A.

Checked records flag no major concern; missing data is unknown.

Based on available records, Richmond Hill, NY holds an A or B ZipCheckup grade.

How Richmond Hill Compares

Richmond Hill100/100
New York avg84/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
0
ZIPs Linked to Systems with Violations
A · 100
Avg Safety Score
Zone 3
County Radon Potential (Low)
$773K
Median Home Value

Richmond Hill Water: The Quick Version

  • Average of reported 90th-percentile lead results: 0.01 mg/L.
  • Homes built before 1986: 92% - older plumbing may contain lead solder.
  • Health risk index (ZipCheckup composite of CDC data): 11.03.

Water Systems Serving Richmond Hill

Which water system serves a particular address in Richmond Hill, NY? The water bill or the utility can confirm it; the list here shows one system, and federal data link 1 in total.

Overview

We track home safety data for 1 ZIP code in Richmond Hill, New York (population ~36,304), covering 1 community water system serving approximately 8,271,000 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.

Home Safety Score

Average Home Safety Score for Richmond Hill: A (100/100)

Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:

Factor What It Measures
Water Quality EPA violations and compliance history
PFAS MCL Screen UCMR 5 testing against the covered federal MCLs
Radon Risk EPA radon zone classification
Annual AQI EPA AirData county-year median with at least 90 observed days

Water Sources

Richmond Hill water systems draw from: Surface water.

Lead & Copper

  • Average of reported 90th-percentile lead results: 0.0100 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

1 of 1 ZIP records with known zones is in EPA Radon Zone 3.

The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.

Areas with No Violations

ZIP Code Safety Score System Population
11418 A New York City System 8,271,000

All ZIP Codes in Richmond Hill

Data Sources

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

CDC Health Data for Richmond Hill

8.9%
Asthma (US: 9.8%)
14.3%
Diabetes (US: 10.4%)
13.6%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.

Compared to National Average

Asthma 8.9% ↓
Diabetes 14.3% ↑
Mental Health 13.6% ↓

Vertical line = national average. ■ Above national · ■ Below national

How Old Is Richmond Hill's Housing Stock?

1901
Median Build Year
92%
Built Before 1986
88%
Built Before 1970
Galvanized Steel or Lead
Likely Pipe Material

With 92% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing in 1986, but many older homes retain original plumbing.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

Ask the water utility whether your address in Richmond Hill has a lead service line; its inventory can answer what a median build year of 1901 cannot.

1901
Median Year Built
92%
Pre-1986 (lead solder era; lead paint banned 1978)
88%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (88%) 1970–1986 (4%) Post-1986 (8%)

Over half of homes in Richmond Hill were built before 1986, when federal law began restricting lead solder in drinking-water plumbing. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.

Source: U.S. Census Bureau ACS B25034.

Protecting Children from Lead in Richmond Hill

92%
Homes Built Before 1986
0.01
mg/L average of reported water-system 90th-percentile lead results (the 0.015 action level applies to each system's result, not to this average)

Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

Water systems' 90th-percentile values for lead, averaged over Richmond Hill ZIP codes, reach 10 micrograms per liter or above; 92% of homes are older than 1986.

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

Historical Flood-Claim Evidence for Richmond Hill

17
Total FEMA Flood Claims
$4,716
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Richmond Hill contains 17 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $4,716. Among ZIP codes with claim records, 0% 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.

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 Richmond Hill, NY

Frequently Asked Questions

What does the Home Safety Score mean for Richmond Hill, NY?
Richmond Hill has an average Home Safety Score of 100/100 (Grade A) under ZipCheckup model 4.0.0, an area-level model that draws on EPA water compliance records, PFAS screening, EPA radon zones, and annual EPA air quality data; see the methodology page for how inputs and coverage are handled. The available EPA record reports no violations for ZIP codes with reported counts. Check individual ZIP code reports for component details.
Does Richmond Hill water have lead?
The average of the reported 90th-percentile lead results across the ZIP codes of Richmond Hill is 0.01 mg/L. The EPA action level of 0.015 mg/L applies to each water system's own 90th percentile, not to this average. EPA's health goal for lead is zero. Lead levels can vary by home - testing is recommended especially in older properties.
How does Richmond Hill compare to New York average?
Richmond Hill has an average Home Safety Score of 100/100, which is at or above the New York state average of 84/100 for the same model series.
How many water systems serve Richmond Hill?
Our records map 1 water system to 1 ZIP code in Richmond Hill. The related population figure in our data is approximately 36,304 people; it is not a count of people served citywide.
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How to cite this page

APA ZipCheckup. (2026). Richmond Hill, NY Home Safety: Home Safety 100/100. https://zipcheckup.com/cities/ny/richmond-hill/
BibTeX 
@misc{zipcheckup-cities-ny-richmond-hill,
  author = {{ZipCheckup}},
  title  = {{Richmond Hill, NY Home Safety: Home Safety 100/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ny/richmond-hill/}
}

Page version: October 2026.

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