Federal (nationwide) — 5 sources
Federal environmental and demographic data applies to every US address and is critical for environmental due diligence, flood risk assessment, and neighborhood context.
5 sources integrated
National Flood Insurance Program (NFIP) flood zones — Special Flood Hazard Areas (SFHA), 100-year and 500-year floodplains.
- Flood Insurance Rate Maps (FIRM)
- National Flood Hazard Layer
- Flood zone designations
- Base flood elevations
National Superfund sites, EnviroFacts toxic release inventory, EJScreen environmental justice data, and brownfield site assessments.
- Superfund sites (CERCLIS)
- Toxic Release Inventory
- EJScreen
- Brownfield Properties
- Multiple datasets
American Community Survey (ACS) demographics, median income, housing tenure, race/ethnicity, and commuting patterns at census-block-group resolution.
- ACS 5-year estimates
- Decennial census
- TIGER/Line boundaries
- Population estimates
Low-income housing tax credit properties, Section 8 / housing choice voucher locations, fair market rents, and qualified census tracts.
- LIHTC database
- Section 8 properties
- Fair market rents
- Qualified Census Tracts
- Multiple datasets
Earthquake hazard maps, landslide susceptibility, groundwater data, and geologic surveys feeding natural-hazard risk overlays.
- National Seismic Hazard Maps
- Landslide inventory
- Groundwater levels
- Geologic quadrangles
New York City — 11 sources
New York City has the richest, most granular property data of any US city. RegWatch integrates with the city's key agencies for buildings, housing, finance, and recording.
11 sources integrated
Building permits, construction approvals, structural violations, and sign-offs for every structure in the five boroughs.
- Building permits (current + historical)
- Construction violations
- Certificate of Occupancy
- Mechanical inspections
- Multiple datasets
Housing maintenance code enforcement — habitability violations, emergency repairs, and multiple dwelling registration.
- Housing maintenance violations
- Tenant complaints
- Multiple dwelling registrations
- Emergency repair program
- Multiple datasets
Property tax assessments, market values, billable charges, water/sewer accounts, and annual tax lien sale records.
- Assessment roll
- Property tax records
- Tax lien sale data
- Sales transactions
- Multiple datasets
Recorded document index covering every deed, mortgage, lien, release, and UCC filing in the five boroughs since 1966.
- Deeds + transfers
- Mortgages + assignments
- Liens + releases
- UCC filings
- Multiple datasets
Zoning districts, special purpose overlays, PLUTO parcel-level data, land-use analytics, and commercial overlay mapping.
- PLUTO (primary land use tax lot)
- MapPLUTO
- Zoning map amendments
- Special purpose districts
- Multiple datasets
Administrative hearing outcomes, imposed penalties, and docketed money judgments for summonses issued by DOB, FDNY, Sanitation (DSNY), DOT (sidewalk), Landmarks (LPC), DEP, and other city agencies.
- Hearing records
- Penalty judgments
- Docketed judgments & open balances
- FDNY / Sanitation / DOT / Landmarks summonses
- Multiple datasets
Water and sewer charges, asbestos abatement permits (ACP-5/ACP-7), and environmental enforcement records.
- Water billing
- Asbestos permits
- DEP violations
- Backflow prevention compliance
Designated landmark buildings, historic districts, scenic landmarks, and permit requirements within LPC jurisdiction.
- Individual landmarks
- Historic districts
- Interior landmarks
- Scenic landmarks
- Multiple datasets
Fire safety inspections, alarm certifications, fuel storage permits, and FDNY-issued violations.
- FDNY inspections
- Fire alarm certifications
- Fuel storage permits
- Fire safety violations
Rent stabilization registration, rent-regulated unit counts, and DHCR rent histories (with owner consent or tenant standing).
- Rent stabilization rolls
- Regulated unit counts
- Mitchell-Lama inventory
Local Law 97 (LL97) carbon emission limits, building energy benchmarking, and LL84/LL87 compliance rolls for 25,000+ sqft buildings.
- LL97 covered buildings
- LL84 energy benchmarking
- LL87 energy audits
- Emissions limit tables
New York State — 6 sources
Outside of NYC, New York State relies on county clerks for recorded documents and statewide systems for assessments. Tri-state buyers need all of these to run proper diligence.
6 sources integrated
Statewide assessment roll covering every NY parcel outside NYC — land class codes, assessed values, and full market values.
- Assessment roll
- Property class codes
- Full market value
- Sales file
Recorded deed, mortgage, and lien documents for every NY parcel outside NYC — source of title chain reconstruction.
- Deed records
- Mortgage records
- Lis pendens
- Federal tax liens
- Multiple datasets
Inactive hazardous waste sites, brownfield database, state superfund cleanups, and wetland regulation boundaries.
- Environmental site remediation database
- Brownfield cleanup program
- State superfund
- Regulated wetlands
Parcel-level assessment data, tax class information, and sales history for all Nassau County properties.
- Nassau assessment roll
- Land record viewer
- Sales records
Parcel boundaries, zoning overlays, and land-use classification for Westchester County municipalities.
- Parcel boundaries
- Zoning districts
- Land-use inventory
Parcel-level data, tax maps, and property characteristics for Suffolk County towns and villages.
- Parcel file
- Tax map sections
- Property characteristics
New Jersey — 5 sources
New Jersey consolidates assessment data through state-level systems while recording remains county-level across all 21 counties.
5 sources integrated
Statewide property tax assessment file covering every NJ parcel. Legally authoritative for assessment values.
- MOD-IV assessment file
- Property class codes
- Exemption codes
Multiple dwelling registration, bureau of housing inspection, uniform construction code enforcement, and rooming-house compliance.
- Multiple dwelling inspections
- Hotel inspections
- Housing code violations
- Construction permits
Statewide parcel polygon layer, municipal boundaries, zoning overlays, and environmental constraint maps.
- Composite parcels
- Municipal boundaries
- Zoning districts
- Environmental layers
Known contaminated sites (KCS), site remediation program, underground storage tank (UST) registry, and wetlands transition areas.
- Known contaminated sites
- Site remediation program
- UST database
- Wetlands maps
- Multiple datasets
Recorded deeds, mortgages, and lien documents for every NJ parcel. Each county maintains its own index and document imaging system.
- Deed records
- Mortgage records
- Judgment records
- Lis pendens
Connecticut — 4 sources
Connecticut is unusual — both recording AND assessment are town-level (not county-level), spread across 169 municipalities. RegWatch standardizes these town-by-town feeds into a unified CT layer.
4 sources integrated
Town-by-town parcel records covering assessed value, property characteristics, sales history, building dimensions, and systems data.
- Municipal CAMA extracts
- Building sketches
- Sales histories
- Property cards
Recorded deeds, mortgages, and lien documents — CT uses a town-level rather than county-level recording system.
- Deed records
- Mortgage records
- Lien records
- Trade name certificates
Environmental remediation database, underground storage tanks, brownfield sites, and statewide wetlands inventory.
- Environmental site sites
- UST database
- Brownfield program
- Wetlands inventory
Statewide property taxation policy, revaluation schedules, mill rate publications, and grand list summaries.
- Mill rates
- Grand list summaries
- Revaluation schedule
- Property tax policy
Florida — 1 source
Florida's 67 county property appraisers each maintain their own systems. RegWatch consolidates statewide parcel identity and assessment data into a single layer.
1 source integrated
Statewide parcel identity, assessment rolls, and exemption records aggregated from Florida's 67 county property appraisers.
- Parcel rolls
- Assessment records
- Homestead exemptions
North Carolina — 1 source
North Carolina property records live with 100 county tax offices. RegWatch aggregates parcel and assessment data statewide.
1 source integrated
Parcel data, assessment rolls, and ownership records from North Carolina's 100 county tax assessors.
- Parcel rolls
- Property assessments
- Ownership records
Washington — 1 source
Washington's 39 county assessors feed a statewide layer. RegWatch ingests parcel identity and assessment records across the state.
1 source integrated
Statewide parcel identity and assessment data from Washington's 39 county assessors.
- Parcel rolls
- Assessment records
- Levy data
Maryland — 1 source
Maryland is one of few states with centralized state-level assessment (SDAT). RegWatch ingests the statewide parcel and assessment database directly.
1 source integrated
Statewide centralized assessment and parcel records — Maryland is one of few states where assessment is state-administered, not county.
- Real property database
- Assessment records
- Sales records
Oregon — 1 source
Oregon's 36 county assessors maintain parcel rolls. RegWatch consolidates them into a statewide search layer.
1 source integrated
Parcel and assessment data from Oregon's 36 county assessors.
- Parcel rolls
- Assessment records
California — 1 source
California's 58 county assessors plus the state Board of Equalization provide parcel data and Prop-13 assessment history. RegWatch aggregates statewide.
1 source integrated
Parcel-level data from California's 58 county assessors plus Proposition 13 assessment history.
- Parcel rolls
- Proposition 13 assessments
- Ownership records
Indiana — 1 source
Indiana property records flow through 92 county assessors. RegWatch consolidates statewide parcel and assessment data.
1 source integrated
Statewide parcel identity, assessment, and tax data from Indiana's 92 county assessors.
- Parcel rolls
- Assessment records
- Tax billing data
Tennessee — 1 source
Tennessee's 95 county property assessors feed the statewide layer. RegWatch aggregates parcel identity and assessment records.
1 source integrated
Statewide parcel and assessment data from Tennessee's 95 county property assessors.
- Parcel rolls
- Property assessments
- Greenbelt records
Frequently Asked Questions
How many data sources does RegWatch use?
RegWatch integrates with 39 authoritative government sources across New York City (11 agencies), New York State, New Jersey, Connecticut, and U.S. federal agencies. Every property record, violation, permit, hearing outcome and docketed judgment, title document, tax assessment, zoning designation, and environmental hazard flag in a RegWatch report is sourced directly from one of these official sources.
How often is the data updated?
Each source has a refresh cadence appropriate to how often the underlying government system publishes. Our NYC building, violation, permit, and recording feeds last refreshed 3 hours ago. Critical operational records (permits, violations, deeds) refresh on a Live cadence — typically within a day of agency publication. Assessment and landmark designations follow a Scheduled cadence (monthly or weekly). Statewide rolls and federal environmental data refresh on a Periodic cadence. Every record in a RegWatch report includes a "last verified" timestamp so you know exactly how fresh it is.
Can I verify the data myself?
Yes — that's the point of this page. Every source listed here links directly to the original government portal. If you want to verify a specific record, click through to the authoritative source and check there. RegWatch's job is to aggregate, normalize, and cross-reference these records — not to replace the authoritative source.
Why do you list the original sources so openly?
Property records are a YMYL (Your Money or Your Life) category — people make six- and seven-figure decisions based on this data. Source transparency is non-negotiable for trust. It also helps search engines and AI assistants cite the correct underlying record when they reference RegWatch content.
What data sources are you adding next?
Active expansion targets include deeper agency feeds in the eight expansion states (FL, NC, WA, MD, OR, CA, IN, TN — currently parcel + assessment only), federal IRS lien/bankruptcy filings, enhanced SEC/EPA environmental records, and additional municipal-level feeds in the tri-state area. Follow our blog or check our state coverage pages for each state's current coverage status.
How does RegWatch differ from going directly to these sources?
Each agency maintains its own search portal, login flow, data format, and refresh cadence. Running proper property diligence through each of them manually takes 4–6 hours per address. RegWatch unifies them into a single address search that returns a complete report in seconds, with cross-referenced records (e.g., DOB violations linked to their ECB hearings and any resulting liens).
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