Using Real Estate Listings and Property Records for B2B Lead Generation: MLS Data, Commercial Listings, Property Tax Records, Building Permits and Foreclosure Filings
By Email ExtractorPublished 8 min read
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Real Estate Data as a B2B Lead Trigger
Every commercial real estate transaction -- a lease signed, a building sold, a permit pulled, an office opened -- creates a cascade of service needs. The company moving into new office space needs cleaning, furniture, IT setup, security, signage and insurance. The building that just sold gets a new owner who reviews every vendor contract. The manufacturer who pulled a building permit for an expansion will need construction services, equipment and staffing. Real estate data is publicly available, frequently updated and directly tied to purchase intent:
Commercial cleaners; furniture dealers; IT services; security companies; sign companies; general contractors; moving companies; insurance agents; interior designers
Building sold (commercial)
All existing vendor contracts reviewed; new owner may rebid cleaning, landscaping, security, elevator maintenance, fire protection, HVAC, pest control; property management may change
All building service providers; property management companies
Building permit pulled (new construction)
Post-construction cleaning; furniture and fixtures; IT infrastructure; security system; signage; landscaping; HVAC commissioning; fire protection; ongoing maintenance contracts
Same as new lease plus construction-phase services
Building permit pulled (renovation / tenant improvement)
Demolition; construction; same as new lease for the renovated space
General contractors; subcontractors; same as new lease
Foreclosure filed
Property manager change; deferred maintenance needs; potential buyer looking for service providers; existing tenants may need to find new space
All startup needs: space buildout; furniture; IT; insurance; cleaning; accounting; legal; banking; staffing
All B2B service providers targeting startups and new businesses
Certificate of occupancy issued
Building is complete and ready for tenants or owner-occupants; final services needed before opening
Final cleaning; furniture delivery and installation; IT activation; security activation; signage installation
Data Sources
Commercial real estate listings
Source
What it contains
Access
Format
LoopNet
Commercial properties for sale and lease; property details; listing broker; asking price/rent; property size; building class; tenants (sometimes)
Public (basic listings); subscription for premium data
HTML (search results and listing pages); some CSV export on paid plans
CoStar
Most comprehensive commercial real estate database; sales comps; lease comps; tenant information; building details; property contacts; market analytics
Subscription (expensive; $10K-$50K+/year); primarily for commercial real estate professionals
HTML (web interface); CSV and Excel exports available
Crexi
Commercial properties for sale and lease; growing platform; auction properties; listing broker
Public (basic listings); subscription for advanced features
HTML (search results and listing pages)
Commercial real estate brokerage websites (CBRE, JLL, Cushman & Wakefield, Colliers, local brokers)
Their listings; tenant representation; property management portfolios
Public
HTML (listing pages)
Public property records
Source
What it contains
Access
Format
County assessor / tax records
Property owner name; assessed value; tax amount; property address; legal description; sale history (date, price, buyer, seller); property class (commercial, industrial, residential)
Public (varies by county; most are online)
HTML (search results); some counties offer CSV or data downloads
County recorder
Recorded documents: deeds, mortgages, liens, easements; parties involved; recording date
Public
HTML (search results); PDF (recorded documents)
Building permit databases (city or county building departments)
Permits issued: new construction, renovation, demolition, mechanical, electrical, plumbing; property address; permit holder (usually contractor or owner); project description; estimated cost; status
Public (most are online)
HTML (search results); some offer CSV downloads or RSS feeds
Other public records
Source
What it contains
Access
Format
Business licence databases (city or county)
New business registrations; business name; owner; address; business type; licence date
Public
HTML; some offer CSV
Secretary of state business filings
Corporate registrations; LLC formations; registered agent; principal address; filing date; status
Public
HTML (search results)
Foreclosure filings (county court records)
Properties in foreclosure; owner; lender; filing date; case status
Public (court records); aggregators (RealtyTrac, ATTOM, Auction.com)
HTML; PDF (court filings); CSV (aggregator exports)
Certificate of occupancy records (building department)
Certificates issued for new or renovated buildings; address; occupancy type; issue date
Public (not all jurisdictions publish online)
HTML; PDF
USPS change of address data (NCOA - National Change of Address)
Businesses that filed address changes with USPS
Licensed through USPS-approved providers (not directly public)
CSV (from NCOA provider)
Lead Generation Workflows
New lease / new tenant leads
Step
Action
Data source
Output
1. Monitor commercial listings
Search LoopNet, Crexi and local broker websites for recently leased properties in your market; filter by property type and size relevant to your services
LoopNet, Crexi, brokerage websites
List of recently leased properties with addresses and listing broker info
2. Identify the tenant
Cross-reference leased property address with business licence databases (new business at that address); or search press releases, business journal articles and social media for move announcements
Business licence database; press; social media
Tenant company name and basic information
3. Find contacts
Search tenant company website (about/team/contact pages); download relevant pages (HTML) and upload to Email Extractor to extract email addresses
Company website; LinkedIn
Contact information for decision makers (office manager, facilities manager, operations director)
4. Outreach
Reference their move; offer specific service relevant to their timeline (e.g., "You are moving into [address] -- we can have your offices cleaned and ready before your team arrives on [date]")
Email outreach
Conversation with decision maker about move-related service needs
Building permit leads
Step
Action
Data source
Output
1. Monitor building permits
Search your city or county building department's online permit database weekly; filter for commercial permits (new construction, tenant improvement, renovation) above a minimum project value
City/county building department website
List of new commercial permits with property address, permit holder, project description, estimated cost
2. Identify the project
For tenant improvement permits: identify the tenant (permit application often names the tenant or the property owner/manager); for new construction: identify the developer or owner
Permit database; property records
Project details and decision makers
3. Extract contacts
Download permit records (HTML or PDF) and property owner records (HTML); download project-related company websites (about/team/contact pages); upload all to Email Extractor to extract email addresses
Permit database; property records; company websites
Contact information for project stakeholders
4. Time your outreach
For new construction: reach out 60-90 days before estimated completion (post-construction cleaning) or at permit issuance (construction-phase services). For renovation: reach out at permit issuance (they are planning now)
Outreach timing
Timely outreach aligned with project timeline
Property sale leads
Step
Action
Data source
Output
1. Monitor property sales
Search county assessor records for recent commercial property sales; or subscribe to commercial real estate news for your market
County assessor; commercial real estate news
List of recently sold commercial properties with buyer, seller, price, property type
2. Research the new owner
Determine if the new owner is an investor (will hire property manager), an owner-occupant (will manage directly) or a developer (will renovate or redevelop)
Company research; property records
Understanding of new owner's plans and service needs
3. Extract contacts
Download new owner's company website pages (HTML), property management company directories (HTML) and commercial real estate brokerage directories (HTML); upload to Email Extractor to extract email addresses
Company websites; directories
Contact information for new owner and their property management team
4. Outreach
Reference the acquisition; note that ownership changes often trigger vendor reviews; offer a competitive bid for your service; provide references from similar properties you service
Outreach
Introduction to new owner before they have renewed or replaced all vendor contracts
Data Extraction and Deduplication
Real estate data sources produce overlapping information. The same property appears in county assessor records, listing databases and permit records. The same company appears as tenant, property owner and permit holder across different databases. When compiling prospect data:
Upload all downloaded files to Email Extractor to extract and deduplicate email addresses across all sources. The same person (property manager, building owner, contractor) appears across multiple data sources, and deduplication prevents sending duplicate outreach.
Metrics
Metric
Benchmark
Target
Response rate (new lease / move-in leads)
8-15%
15-25% (timely, relevant, service-specific outreach to companies in active transition)
Response rate (property sale / new owner leads)
5-10%
10-18% (reference specific property; offer competitive bid; timing within 30 days of sale)
Response rate (building permit leads)
4-8%
8-15% (reference specific project; demonstrate relevant experience; timing aligned with project phase)
Lead-to-customer conversion
5-15% of leads contacted
15-25% (high-intent leads; they have a defined need tied to a specific event)
Data freshness (permits and sales)
Check weekly
Check twice weekly for competitive advantage (being first to contact after a permit is issued or a property sells)
