Is Northridge, CA Safe to Buy? Home Safety Score 55/100
Score 55/100 · Risk: moderate · Water Grade C · Updated 2026-05-03
Northridge has moderate risk. Some factors warrant attention during the home buying process.
Data: EPA SDWIS, FEMA NFIP, Census ACS, EPA Radon Zones Last verified: 2026-05-03
Upgrade cost estimates for Northridge show a modest home-value ratio — well within typical planning thresholds.
What is a home safety score?
The home safety score (0-100) combines multiple environmental risk factors into a single number: water quality grade, lead contamination levels, flood zone exposure, radon risk, and air quality. A higher score means lower overall risk. The score helps homebuyers compare neighborhoods at a glance. Northridge scores 55/100 with a "moderate" risk level.
Remediation Cost Breakdown
Estimated costs to address safety issues for a typical home in Northridge:
Cost ranges are estimates based on national averages. Actual costs vary by property. Get 3 quotes before proceeding.
Per-ZIP Home Safety Scores
Safety scores vary across Northridge's 6 ZIP codes.
| ZIP Code | Score | Grade | |
|---|---|---|---|
| 91327 | 53 | D | View report → |
| 91328 | 53 | D | View report → |
| 91329 | 53 | D | View report → |
| 91330 | 53 | D | View report → |
| 91325 | 55 | C | View report → |
| 91324 | 63 | C | View report → |
Home Safety Overview
Northridge, California has moderate risk for homebuyers. The average home safety score is 55/100 across 6 ZIP codes. Some risk factors warrant attention during the home buying process.
Safety Score Card
A composite view of Northridge's key risk indicators:
| Risk Factor | Value | Assessment |
|---|---|---|
| Water Quality | Grade C (55/100) | Moderate risk |
| Lead Risk | Testing pending | Low risk |
| Flood Risk | 33% in flood zones | Elevated risk |
| Radon | Zone 2 (Moderate) | Moderate risk |
| Air Quality | AQI 90 (Moderate) | Moderate risk |
Cost to Fix: Remediation Breakdown
Estimated costs to address safety issues for a typical home in Northridge:
| Component | Estimated Cost |
|---|---|
| Radon | $400 |
| Flood Insurance | $400 |
| Total (low estimate) | $267 |
| Total (mid estimate) | $800 |
| Total (high estimate) | $1K |
Cost ranges are estimates based on national averages and local data. Actual costs vary by property condition, contractor, and scope of work. Get 3 quotes before proceeding.
Per-ZIP Home Safety Scores
Home safety varies across Northridge's ZIP codes. Lower scores indicate more risk factors:
Northridge vs. Nearby California Cities
How Northridge's overall risk compares to similar cities in California:
| City | Water Grade | Lead ZIPs Over Limit | Flood Claims | Population |
|---|---|---|---|---|
| Northridge | C | 0 | 25 | 82 |
| Alleghany | B | 0 | 0 | 82 |
| Duncans Mills | B | 0 | 75 | 82 |
| Encino | F | 0 | 332 | 82 |
Homebuyer Safety Checklist for Northridge
Before purchasing a home in Northridge, California, complete these checks:
Water Quality
- Request the latest Consumer Confidence Report (CCR) from the water utility
- Test tap water for lead, bacteria, and nitrates ($20-$50 for DIY kit)
Radon
- Conduct a radon test ($15-$30 for short-term kit, $150-$300 for professional)
- Northridge is in Radon Zone 2 (Moderate risk) — testing is strongly recommended
Flood Risk
- Check the property's FEMA flood zone at msc.fema.gov
- Ask about flood history and past insurance claims
- 33% of Northridge is in flood zones — verify insurance requirements
Lead Paint & Pipes
- For homes built before 1978: request lead paint disclosure
- For homes built before 1986: inspect plumbing for lead solder and pipes
- 83% of Northridge homes built before 1986 — pipe inspection recommended
General
- Check for carbon monoxide detectors on every level
- Inspect for visible mold, water stains, or musty odors
- Verify the home's connection to a regulated public water system
Data Sources
- Water quality: EPA SDWIS
- Lead: EPA Lead and Copper Rule
- Flood: FEMA NFIP
- Radon: EPA Radon Zones
- Air quality: EPA AirNow
- Home values: U.S. Census Bureau ACS B25077
- Remediation costs: National cost model (EPA, Census, FEMA data)
Updated daily.
Water Quality Map: Northridge, CA
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Check your specific ZIP code
City averages can hide neighborhood-level risks. Enter your ZIP for a personalized home safety score.
Check Your Home Safety Score