Facebook advertising can work for law firms, but not the way most people expect. If you’re comparing Facebook to Google Ads and wondering which is “better,” you’re asking the wrong question. They do different things.
The Cost Reality
Here’s the number that matters: Attorneys & Legal Services has the highest Facebook CPL of any industry at $104.58 per lead in 2024 benchmarks.
For context, the cross-industry average is $21.98. Legal pays nearly 5x the average.
What This Means
| Metric | Legal Industry |
|---|---|
| Average CPL | $104.58 |
| Typical CPC | $1-$3 |
| Average CTR | 1.61% |
| Competitive market CPL | $80-$150+ |
In highly competitive PI markets, expect CPLs at the higher end of this range. For a full breakdown of costs across channels, see our guide to personal injury lawyer advertising. Facebook isn’t cheap for lawyers, anyone suggesting otherwise hasn’t looked at the data.
Where Facebook Actually Works
Facebook isn’t trying to be Google. It serves different purposes in your marketing mix:
Top-of-Funnel Awareness
Facebook reaches people before they need a lawyer. Through targeting options (location, age, interests, behaviors), you can get in front of potential clients who may need you someday.
This builds familiarity so when they do have an accident, your name comes to mind.
Retargeting
This is where Facebook shines for legal. Someone visits your website but doesn’t call? Retarget them on Facebook and Instagram. They clicked a Google Ad but didn’t convert? Show them your message again in their feed.
Retargeting audiences convert at significantly higher rates than cold audiences because they already know you exist. To measure whether retargeting actually produces calls and cases, implement call tracking and track conversions through your CRM.
Lookalike Audiences
Upload your past client list (or high-value website visitors) and Facebook finds similar people. This extends your reach to people who resemble your best clients.
Education and Trust-Building
Content that educates, “What to do after a car accident,” “How insurance companies try to lowball you”, performs well on Facebook. It positions you as helpful before they need help.
Facebook vs. Google: Different Jobs
Facebook Ads
- Low intent (browsing)
- Best for awareness and retargeting
- Typical CPL: $80-$150+
- Targeting: Demographics, interests, behaviors
- Funnel stage: Top and middle
Google Search Ads
- High intent (actively searching)
- Best for capturing demand
- Typical CPL: $200-$500+
- Targeting: Keywords and intent
- Funnel stage: Bottom
Google captures existing demand. Someone searches “car accident lawyer Dallas”. They need a lawyer now.
Facebook creates and nurtures demand. Someone sees your ad while scrolling. They might need a lawyer someday, or they’re researching after an accident but not ready to call. For a deeper comparison of social versus other channels, see our analysis of CTV vs social media ads for law firms.
Most PI firms need both. Facebook builds awareness that makes Google more efficient (branded searches are cheaper and convert better).
Targeting Options for Legal
Geographic Targeting
Target your service area precisely, down to zip codes if needed. No point paying for impressions outside where you practice.
Demographic Targeting
Age, income, and other demographics can help focus spend. PI often targets adults 25-65 with certain income or homeownership characteristics.
Interest and Behavior Targeting
Target people interested in:
- Auto insurance, car maintenance (auto accidents)
- Workplace safety (workers’ comp)
- Healthcare topics (medical malpractice)
- Related legal topics
Custom Audiences
- Website visitors (retargeting)
- Customer lists (past clients for lookalikes)
- Video viewers (people who watched your content)
- Engagement audiences (people who interacted with your page)
Lookalike Audiences
Facebook finds people similar to your custom audiences. “Find me people like my past auto accident clients” can be powerful targeting.
Creative Best Practices
Video Outperforms Static
Video ads typically generate higher engagement and lower CPL than static images. Even simple videos work. You don’t need Hollywood production.
Lead with Empathy
“Were you hurt in an accident?” speaks to their situation. “We’ve recovered millions!” speaks to you. The former performs better.
Clear Call-to-Action
Tell them exactly what to do. “Call now for a free consultation” or “Click to learn your rights”, be specific.
Mobile-First Design
Most Facebook usage is mobile. Design for small screens with readable text and thumb-friendly buttons.
iOS/ATT Impact
Apple’s iOS privacy changes reduced Facebook’s tracking and targeting capabilities:
- Some interest targeting is less precise
- Attribution is harder to measure accurately
- Retargeting windows may be shorter
Adaptation strategies:
- Use first-party data (customer lists, website visitors)
- Implement server-side tracking where possible
- Focus on broader targeting with strong creative
- Accept some attribution uncertainty
Budget Recommendations
As Part of Multi-Channel Strategy
Competitive firms allocate $3,000-$10,000/month for Facebook, representing 5-15% of total marketing spend. Our analysis of law firm marketing ROI by channel shows how Facebook supports primary channels like Google and CTV.
Scaling
Once you find what works, scale based on efficiency. If you’re getting $100 CPLs that convert to cases, calculate whether the math works and increase accordingly.
Realistic Expectations
At $100+ CPL, you need reasonable conversion rates and case values for Facebook to be profitable. It’s a supporting channel that amplifies your primary lead generators, not a replacement for them. Our complete guide to law firm marketing covers how to balance these channels effectively.
Common Misconceptions
“Facebook is cheap for legal.” It’s the most expensive industry on the platform. Go in with realistic CPL expectations.
“Facebook can replace Google.” They serve different purposes. Facebook builds awareness; Google captures intent. You likely need both.
“More targeting is better.” Over-targeting can limit reach and increase costs. Sometimes broader targeting with strong creative performs better.
“Set it and forget it.” Facebook requires ongoing optimization, creative refresh, audience testing, bid adjustments.
Making Facebook Work
Facebook works for PI when you use it correctly:
- Use it for awareness and retargeting, not as your primary lead source
- Expect higher CPLs than other industries
- Invest in creative. video especially
- Integrate with other channels. Facebook warms audiences that convert on Google
- Measure the full picture. Facebook’s impact on branded search and overall conversion rates