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Use casesLenders & appraisers

PropAPIS for Lenders and Appraisers

Streamline property valuations, comp analysis, and risk assessment with comprehensive real estate data.

Key Benefits

  • Automated Valuations: Instant AVMs from multiple sources
  • Comp Analysis: Find comparable sales automatically
  • Historical Data: Complete transaction history
  • Market Context: Neighborhood trends and statistics
  • Risk Assessment: Market volatility and area analysis

Use Cases

Automated Property Valuation

Get instant valuations for lending decisions:

from propapis import PropAPIS api = PropAPIS(api_key='your_api_key') def get_property_valuation(address): prop = api.platforms.zillow.get_property(address) # Multiple valuation sources valuations = { 'zestimate': prop.zestimate, 'zestimate_range': (prop.zestimate_low, prop.zestimate_high) } print(f"Valuation Report - {address}") print(f"Zestimate: ${valuations['zestimate']:,}") print(f"Range: ${valuations['zestimate_range'][0]:,} - ${valuations['zestimate_range'][1]:,}") return valuations

Comparable Sales Analysis

Find recent sold comps for appraisals:

def find_appraisal_comps(subject_address): # Get subject property subject = api.platforms.zillow.get_property(subject_address) # Find comparable sold properties comps = api.platforms.zillow.search_sold( location=subject_address, radius=0.5, sold_in_last_days=180, min_bedrooms=subject.bedrooms - 1, max_bedrooms=subject.bedrooms + 1, min_sqft=subject.sqft * 0.8, max_sqft=subject.sqft * 1.2 ) print(f"Subject: {subject.address}") print(f" Bedrooms: {subject.bedrooms} | Sqft: {subject.sqft:,}") print(f"\nComparable Sales ({len(comps)}):") for comp in comps[:5]: price_per_sqft = comp.sold_price / comp.sqft print(f"{comp.address}") print(f" Sold: ${comp.sold_price:,} on {comp.sold_date}") print(f" Sqft: {comp.sqft:,} | PPSqft: ${price_per_sqft:,.0f}") # Calculate average price per sqft avg_ppsf = sum(c.sold_price / c.sqft for c in comps) / len(comps) estimated_value = subject.sqft * avg_ppsf print(f"\nEstimated Value: ${estimated_value:,.0f}") print(f"Based on ${avg_ppsf:,.0f}/sqft") return comps

Loan-to-Value Analysis

Calculate LTV ratios:

def calculate_ltv(address, loan_amount): prop = api.platforms.zillow.get_property(address) ltv = (loan_amount / prop.zestimate) * 100 print(f"LTV Analysis - {address}") print(f"Property Value: ${prop.zestimate:,}") print(f"Loan Amount: ${loan_amount:,}") print(f"LTV Ratio: {ltv:.1f}%") if ltv <= 80: print("Risk Level: Low (≤80% LTV)") elif ltv <= 90: print("Risk Level: Moderate (80-90% LTV)") else: print("Risk Level: High (>90% LTV)") return ltv

Market Risk Assessment

Assess area market conditions:

def assess_market_risk(location): market = api.platforms.zillow.get_market_trends(location=location) print(f"Market Risk Assessment - {location}") print(f"Median Price: ${market.median_price:,}") print(f"YoY Change: {market.yoy_change:+.1f}%") print(f"Months Supply: {market.months_supply:.1f}") print(f"Avg DOM: {market.avg_dom:.0f}") # Risk scoring risk_score = 0 if market.yoy_change < -5: risk_score += 3 print("⚠️ Declining prices") if market.months_supply > 9: risk_score += 2 print("⚠️ Oversupply") if market.avg_dom > 90: risk_score += 1 print("⚠️ Slow market") if risk_score == 0: print("✓ Market risk: LOW") elif risk_score <= 3: print("⚠️ Market risk: MODERATE") else: print("❌ Market risk: HIGH") return risk_score

Quick Start

from propapis import PropAPIS api = PropAPIS(api_key='your_api_key') # Get property valuation prop = api.platforms.zillow.get_property('123 Main St, Austin, TX') print(f"Zestimate: ${prop.zestimate:,}") print(f"Range: ${prop.zestimate_low:,} - ${prop.zestimate_high:,}") # Find comps comps = api.platforms.zillow.search_sold( location='123 Main St, Austin, TX', radius=0.5, sold_in_last_days=180 ) print(f"Found {len(comps)} comparable sales")

For detailed API documentation, see our API Reference.