Contractor ROAS Calculator

Understanding ROAS for Home Service Contractors

Return on Ad Spend (ROAS) is the most critical metric for measuring your advertising effectiveness. Unlike ROI, which accounts for all business costs, ROAS specifically measures how much revenue you generate for every dollar spent on advertising. For contractors and home service businesses, understanding your ROAS helps you determine which marketing channels deliver the highest returns and where to allocate your limited marketing budget.

The formula is simple: ROAS = Revenue from Ads ÷ Ad Spend × 100. If you spend $1,000 on Google Ads and generate $5,000 in revenue from those leads, your ROAS is 500% (or 5:1). However, calculating true ROAS for contracting businesses requires tracking leads through your entire sales funnel—from initial contact through estimate to final payment—which can take 30-90 days or longer for high-ticket services.

Contractor advertising differs significantly from e-commerce. Your leads don't convert instantly; they require phone calls, site visits, detailed estimates, and often multiple follow-ups. This means you need longer attribution windows (60-90 days minimum) and must account for hidden costs like labor time spent qualifying leads, scheduling estimates, and following up with proposals. A seemingly profitable 400% ROAS campaign might actually break even once you factor in the 15-20 hours per week your team spends managing those leads.

Average ROAS by Marketing Channel for Contractors

Note: These ranges reflect national averages for established contractors with optimized campaigns. Actual performance varies based on market competition, service pricing, brand reputation, and campaign quality. High-cost-metro benchmarks are shown in the separate table below.

ROAS Benchmarks by Trade

Break-even ROAS represents the minimum return needed to cover ad spend plus associated labor and overhead costs. Target ROAS provides healthy profit margins and room for market fluctuations. Higher-ticket services can sustain higher marketing costs and typically achieve better ROAS due to longer customer lifetime value.

High-Cost-Metro Contractor Marketing Costs (2026)

Competitive, high-cost home services markets drive higher acquisition costs than national averages, but also support premium pricing. Understanding local benchmarks for your metro helps you set realistic ROAS targets and identify underperforming campaigns faster.

Affluent zip codes in any metro support 20-30% higher pricing but also carry 15-25% higher CPL. Target these areas for premium services; use broader targeting for volume-based trades. Identify your local high-value zip codes from past job values and close rates.

How to Calculate True ROAS for Your Contracting Business

Most contractors calculate ROAS incorrectly by ignoring hidden costs. The basic formula—revenue divided by ad spend—only tells part of the story. To calculate true ROAS, you must account for every cost associated with converting ad-generated leads into paying customers.

The Complete ROAS Formula

Hidden Costs Most Contractors Miss

• Lead answer time: 5-15 minutes per inbound call or form submission. At $40/hour labor cost, that's $3.33-$10 per lead just to answer.
• Qualification calls: 10-20 minutes for serious leads. Add $6.67-$13.33 per qualified lead.
• Estimate appointments: 1-3 hours including drive time and on-site measurement. At $60/hour, that's $60-$180 per estimate.
• Follow-up sequences: 3-5 touchpoints per lead over 2-4 weeks. Email automation helps but doesn't eliminate time costs.
• CRM and call tracking: $50-$300/month in software costs that should be allocated across all leads.
• No-shows and tire-kickers: 20-30% of scheduled estimates don't close. Factor this into your per-lead cost.

Example: Calculating True ROAS

Tracking Attribution Accurately

For contractor businesses with 30-90 day sales cycles, you need proper attribution tracking. Use call tracking numbers (CallRail, CallTrackingMetrics) to identify which ads drive phone calls. Implement UTM parameters on all ad links to track form submissions. Most importantly, update your CRM with ad source data and track leads through to final payment—not just initial contact. A lead that closes 60 days after clicking your ad still counts toward that campaign's ROAS.

Improving Your ROAS: Proven Tactics for Contractors

High-performing contractor campaigns share common characteristics: targeted traffic, optimized landing pages, efficient lead handling, and continuous testing. Here's how to systematically improve your advertising ROAS.

1. Build Service-Specific Landing Pages

Don't send all ad traffic to your homepage. Create dedicated landing pages for each service type (kitchen remodeling, bathroom remodeling, ADU construction, etc.) with clear value propositions, local trust signals (licenses, insurance, years in business), before/after photos, and prominent click-to-call buttons. Service-specific pages convert 2-3x higher than generic pages.

2. Implement Call Tracking

Use dynamic number insertion to assign unique phone numbers to each marketing channel and even individual ad campaigns. This reveals which keywords and ads drive the most phone calls—often your highest-converting lead source. Call tracking costs $50-$150/month but pays for itself by identifying underperforming campaigns you can pause and reallocating budget to winners.

3. Master Retargeting Campaigns

Website visitors who don't convert on first visit aren't lost—retarget them with Facebook and Google Display ads showcasing your best work, customer testimonials, or limited-time offers. Retargeting typically costs 50-70% less per lead than cold traffic and converts 3-5x higher. Run separate retargeting audiences for people who viewed specific service pages, watched video testimonials, or spent 2+ minutes on your site.

4. Optimize for Mobile and Click-to-Call

Over 70% of contractor searches happen on mobile devices, often in emergency situations (burst pipe, no heat, broken garage door). Ensure your landing pages load in under 3 seconds on mobile and feature prominent click-to-call buttons above the fold. Google Ads call-only campaigns can achieve 300-500% ROAS for time-sensitive services because they skip the landing page entirely—the ad becomes a phone dialer.

5. Use Seasonal Bidding Strategies

Contractor demand varies by season. HVAC contractors see spikes in summer and winter. Roofers get busy after storms. Landscapers peak in spring. Adjust your bids and budgets accordingly—increase bids 20-30% during peak season when close rates are higher, and decrease bids 30-50% during slow months to maintain acceptable CPL while preserving budget for your busy season.

6. Geo-Target High-Value Neighborhoods

In most metros, a kitchen remodeling lead from an affluent neighborhood is worth 2-3x more than one from a lower-cost area—the average project value is higher and close rates are better. Use radius targeting or zip code targeting to focus ad spend on affluent neighborhoods where your ideal customers live. You'll pay 20-30% more per click, but ROAS often improves by 50-100% due to higher job values.

7. Implement Negative Keywords Aggressively

Poor ROAS often results from wasted spend on irrelevant searches. Add negative keywords like "DIY," "how to," "YouTube," "free," "jobs," "salary," "course," "training," and "cheap." Review your search terms report weekly and add any query that generated clicks but no conversions as a negative keyword. This can reduce wasted spend by 20-40%.

8. Optimize Your Speed-to-Lead

Leads contacted within 5 minutes are 21x more likely to convert than those contacted after 30 minutes. Set up instant SMS and email notifications when new leads arrive. Use scheduling software that lets customers book estimate appointments directly from your website without phone tag. The faster you engage, the higher your close rate—and the better your ROAS.

Common ROAS Mistakes Contractors Make

Even experienced contractors fall into ROAS tracking traps that lead to poor decisions. Avoid these common mistakes to get accurate performance data.

Mistake #1: Not Tracking Offline Conversions

Most contractor leads convert via phone call, not online form submission. If you're only tracking form fills in Google Ads, you're missing 60-80% of your conversions. Implement call tracking and import offline conversions back into Google Ads so the algorithm can optimize for phone calls, not just forms.

Mistake #2: Using Last-Click Attribution

Customers rarely convert on their first ad click. They might click your Google Ad, visit your website, leave, see a Facebook retargeting ad, come back, then finally call. Last-click attribution gives all credit to that final Facebook ad, even though the Google Ad started the relationship. Use data-driven or time-decay attribution models to properly credit each touchpoint.

Mistake #3: Focusing on Vanity Metrics

Impressions and clicks don't pay your bills—revenue does. A campaign with 10,000 impressions and 2% CTR but $150 CPL and 5% close rate is far worse than a campaign with 1,000 impressions, 1% CTR, $60 CPL, and 25% close rate. Focus on cost per qualified lead and revenue per dollar spent, not traffic volume.

Mistake #4: Ignoring Customer Lifetime Value

Contractor businesses thrive on repeat customers and referrals. A customer who hired you for a bathroom remodel might hire you again in 3 years for a kitchen, then refer 2 neighbors. If you only calculate ROAS on the initial job, you're severely undervaluing your marketing. Track lifetime value (LTV) and use LTV:CAC ratio alongside ROAS for a complete picture.

Mistake #5: Not Segmenting Campaigns by Service Type

Running a single "general contractor" campaign lumps together $500 handyman jobs with $80,000 kitchen remodels. The economics are completely different. Segment campaigns by service type so you can set appropriate CPL targets and ROAS goals for each. Your bathroom remodeling campaign can profitably spend $120 per lead; your fence repair campaign cannot.

Mistake #6: Comparing ROAS Across Different Attribution Windows

A campaign showing 250% ROAS with a 7-day attribution window will show 450% ROAS with a 60-day window—simply because more conversions are captured. When comparing campaigns or channels, use identical attribution windows. For contractors, 60-90 day windows are appropriate for high-ticket services, 30-day windows for emergency services.

Mistake #7: Pausing Campaigns Too Quickly

A campaign that generates 5 leads in week 1 with zero closes might close 3 of those leads in week 6 after proposals are sent and revised. Contractor sales cycles are long. Allow 60-90 days of data before making major campaign changes, unless cost per lead is 3x+ higher than benchmarks or lead quality is obviously poor (wrong service area, DIY shoppers, etc.).

When to Scale vs. When to Pause Campaigns

Knowing when to increase ad spend and when to pull back is critical for maintaining profitable ROAS. Use these decision frameworks to guide your campaign management.

Green Light: Signals to Scale Spending

• ROAS consistently exceeds 400% for 60+ days — You're profitably acquiring customers with room for cost increases
• Close rate on ad-generated leads exceeds 20% — Lead quality is high, justifying higher acquisition costs
• You have capacity to handle 30%+ more leads — No point spending more if you can't service the work
• Cost per lead is stable or decreasing — Campaign efficiency is improving as Google's algorithm learns
• Customer LTV exceeds 5x acquisition cost — Strong repeat business and referrals justify aggressive customer acquisition

How to scale safely: Increase budgets by 20-30% per month, not 2x overnight. Monitor lead quality closely—rapid scaling often brings lower-quality traffic. If CPL increases by more than 50% or close rate drops below 15%, pause the increase and stabilize.

Yellow Light: Optimize but Don't Scale

• ROAS between 250-350% — Campaign is profitable but not performing exceptionally
• Close rate between 12-18% — Acceptable but room for improvement
• Cost per lead is 20-40% above benchmark — You're paying more than competitors for the same traffic
• High variability in weekly performance — Some weeks hit 500% ROAS, others barely break even

What to do: Focus on optimization, not scaling. Test new ad copy, landing pages, and negative keywords. Segment campaigns by service type and location. Implement retargeting to improve overall conversion rates. Revisit your speed-to-lead process and follow-up sequences.

Red Light: Pause or Restructure

• ROAS below 200% after 90 days — Campaign is barely profitable or losing money after overhead
• Close rate below 8% — Lead quality is poor or your follow-up process is broken
• Cost per lead exceeds 2x industry average — You're overpaying for traffic due to poor targeting or high competition
• More than 40% of leads are unqualified — Wrong targeting, misleading ads, or poor negative keyword usage
• You're overwhelmed with low-quality leads — Volume isn't the problem; quality is

What to do: Pause the campaign and diagnose root causes before spending more. Review search terms to identify wasted spend. Call a sample of leads to understand why they're not closing. Check if your pricing is competitive. Consider whether your brand reputation (reviews, website quality) is hurting conversions. Don't throw good money after bad—fix the fundamentals first.