Fairfax County, Virginia
75 ZIP codes · Avg score 50/100 · Grade D · Updated
ZipCheckup grade for Fairfax County: D.
Several federal signals point to home-safety risks in this ZIP.
While Fairfax County's situation varies by ZIP, its 75 ZIP codes collectively fall below the state average - addressing specific concerns starts with checking the system that serves a given address.
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 Last verified:
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%)
Estimated additional annual cost per homeowner: $2,480, driven primarily by sea_level
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: $2,480
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
Remediation costs are relatively manageable for most homeowners in Fairfax County, representing a small fraction of property value.
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 serving Fairfax County
7 community water systems serving Fairfax County.
- D
- D
- D
- D
- D
- D
Show all 7 water systems
- D
Systems with the most violations in Fairfax County
2 water systems with recorded EPA violations.
- 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
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
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 a grade of D. Here are steps to protect your household.
Test your tap water
Order a certified lab test kit ($20-$50) to check for lead, bacteria, and other contaminants specific to your ZIP code.
Consider a certified water filter
NSF-certified filters can remove most common contaminants. 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 details exactly what was found in your water supply.