Fairfax County, Virginia
75 ZIP codes · Avg score 50/100 · Grade D
ZipCheckup grade for Fairfax County: D.
Federal records show several conditions worth reviewing.
With 75 ZIP codes tracked, Fairfax County lands in the D-F range.
How Fairfax County Compares
How Fairfax County Compares
Fairfax County scores 25 points below the Virginia state average (75/100) and 23 points below the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData
ZIP Code Risk Map
Water Quality Map: Fairfax County, Virginia
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 9.8 (asthma 9.1%, diabetes 10.7%)
Modeled additional annual cost estimate per homeowner: $1,295, largest modeled factor: Flood
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,295
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Fairfax County
Modeled remediation costs in Fairfax County can be compared with the median property value; actual costs vary by property.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Fairfax County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Fairfax County ZIP codes
7 community water systems mapped to Fairfax County ZIP codes; EPA may list more systems serving the county.
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Show all 7 water systems
- D
Systems with the most violations in Fairfax County
2 water systems with violations in EPA records.
- D
- D
All ZIP Codes in Fairfax County
75 ZIP codes tracked in Fairfax County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 20120 | Centreville | 50 | D | 1 | $620K |
| 2 | 20121 | Centreville | 50 | D | 0 | $488K |
| 3 | 20124 | Clifton | 50 | D | 0 | $870K |
| 4 | 20151 | Chantilly | 50 | D | 0 | $647K |
| 5 | 20170 | Herndon | 50 | D | 0 | $626K |
| 6 | 20171 | Herndon | 50 | D | 0 | $770K |
| 7 | 20190 | Reston | 50 | D | 0 | $569K |
| 8 | 20191 | Reston | 50 | D | 0 | $617K |
| 9 | 20194 | Reston | 50 | D | 0 | $792K |
| 10 | 22003 | Annandale | 50 | D | 0 | $694K |
| 11 | 22015 | Burke | 50 | D | 0 | $667K |
| 12 | 22027 | Dunn Loring | 50 | D | 1 | $1042K |
| 13 | 22032 | Fairfax | 50 | D | 0 | $737K |
| 14 | 22033 | Fairfax | 50 | D | 0 | $622K |
| 15 | 22039 | Fairfax Station | 50 | D | 0 | $974K |
| 16 | 22041 | Falls Church | 50 | D | 0 | $433K |
| 17 | 22042 | Falls Church | 50 | D | 0 | $667K |
| 18 | 22043 | Falls Church | 50 | D | 0 | $869K |
| 19 | 22044 | Falls Church | 50 | D | 0 | $711K |
| 20 | 22060 | Fort Belvoir | 50 | D | 0 | $648K |
| 21 | 22066 | Great Falls | 50 | D | 1 | $1240K |
| 22 | 22079 | Lorton | 50 | D | 0 | $601K |
| 23 | 22101 | Mc Lean | 50 | D | 0 | $1283K |
| 24 | 22102 | Mc Lean | 50 | D | 0 | $1004K |
| 25 | 22124 | Oakton | 50 | D | 1 | $980K |
| 26 | 22150 | Springfield | 50 | D | 0 | $618K |
| 27 | 22151 | Springfield | 50 | D | 0 | $636K |
| 28 | 22152 | Springfield | 50 | D | 0 | $620K |
| 29 | 22153 | Springfield | 50 | D | 0 | $652K |
| 30 | 22180 | Vienna | 50 | D | 1 | $917K |
| 31 | 22181 | Vienna | 50 | D | 1 | $928K |
| 32 | 22182 | Vienna | 50 | D | 1 | $1087K |
| 33 | 22303 | Alexandria | 50 | D | 0 | $547K |
| 34 | 22306 | Alexandria | 50 | D | 0 | $583K |
| 35 | 22307 | Alexandria | 50 | D | 0 | $753K |
| 36 | 22308 | Alexandria | 50 | D | 0 | $871K |
| 37 | 22309 | Alexandria | 50 | D | 0 | $540K |
| 38 | 22310 | Alexandria | 50 | D | 0 | $627K |
| 39 | 22311 | Alexandria | 50 | D | 0 | $692K |
| 40 | 22312 | Alexandria | 50 | D | 0 | $594K |
| 41 | 22315 | Alexandria | 50 | D | 0 | $609K |
| 42 | 20122 | Centreville | — | — | — | |
| 43 | 20153 | Chantilly | — | — | — | |
| 44 | 20172 | Herndon | — | — | — | |
| 45 | 20192 | Herndon | — | — | — | |
| 46 | 20193 | Herndon | — | — | — | |
| 47 | 20195 | Reston | — | — | — | |
| 48 | 20196 | Reston | — | — | — | |
| 49 | 22009 | Burke | — | — | — | |
| 50 | 22034 | Fairfax | — | — | — | |
| 51 | 22036 | Fairfax | — | — | — | |
| 52 | 22037 | Fairfax | — | — | — | |
| 53 | 22067 | Greenway | — | — | — | |
| 54 | 22081 | Merrifield | — | — | — | |
| 55 | 22082 | Merrifield | — | — | — | |
| 56 | 22095 | Herndon | — | — | — | |
| 57 | 22096 | Reston | — | — | — | |
| 58 | 22103 | West Mclean | — | — | — | |
| 59 | 22106 | Mc Lean | — | — | — | |
| 60 | 22107 | Mc Lean | — | — | — | |
| 61 | 22108 | Mc Lean | — | — | — | |
| 62 | 22109 | Mc Lean | — | — | — | |
| 63 | 22116 | Merrifield | — | — | — | |
| 64 | 22118 | Merrifield | — | — | — | |
| 65 | 22119 | Merrifield | — | — | — | |
| 66 | 22121 | Mount Vernon | — | — | — | |
| 67 | 22122 | Newington | — | — | — | |
| 68 | 22156 | Springfield | — | — | — | |
| 69 | 22158 | Springfield | — | — | — | |
| 70 | 22159 | Springfield | — | — | — | |
| 71 | 22160 | Springfield | — | — | — | |
| 72 | 22161 | Springfield | — | — | — | |
| 73 | 22183 | Vienna | — | — | — | |
| 74 | 22185 | Vienna | — | — | — | |
| 75 | 22199 | Lorton | — | — | — |
Recommended Buyer Guides for Fairfax County
Each guide below is listed with the reason it appears.
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Fairfax County, Virginia
Overview
Fairfax County in Virginia covers 75 tracked ZIP records with an average Home Safety Score of D (50/100) across 41 scored records.
7 of 41 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. The available record reports no health-based violations for this measured scope.
← Back to Virginia Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
What You Can Do
Fairfax County has an average Home Safety grade of D across its scored ZIP records. Here are steps to protect your household.
Test your tap water
Ask a certified laboratory which tests it offers for lead, bacteria, and other contaminants relevant to your home; a $20-$50 kit may cover only certain contaminants.
Consider a certified water filter
NSF/ANSI-certified filters reduce the specific contaminants listed on their certification. Match the filter to your test results for best protection. Try our filter matcher
Contact your water utility
Request the latest Consumer Confidence Report (CCR) from your water provider. It reports monitored contaminants detected in the utility's water and related compliance information.