Risk Before Buy
ZIP Code Risk Report · TN

37743 Earthquake Risk & Insurance Guide (2026)

37743 in Greeneville, TN: earthquake and flood risk, est. insurance $2,847–$5,414/yr, and buyer guidance before you close.

Greeneville, Tennessee 37743, United States

Data retrieved: Jul 30, 2026 at 18:22 UTC

Overall Risk

Above the national median (top 35% most at-risk)

County-level composite

Est. Annual Insurance

$2,847 – $5,414

Directional range

Premium Strain

6.37% of median income

severe

Flood Insurance

Not required

Parcel falls outside SFHA

Quick buyer brief

What makes 37743 different

A short, indexable summary for buyers comparing 37743 with nearby options in Greeneville.

37743 ranks above the national median (top 35% most at-risk) for overall climate risk, with the biggest current drivers being earthquake or flood.

Buyers in this ZIP should budget roughly $2,847 - $5,414/yr for homeowners insurance before carrier-specific adjustments. Flood insurance looks less likely to be mandatory, but parcel checks still matter.

If you are choosing between nearby ZIP codes, compare this page with the city overview and the nearby-ZIP links below before you write an offer.

Greeneville city overviewFlood insurance guideContract templatesRun free address lookup

Insurance Market Context

These scores are county-level composites derived from FEMA National Risk Index. Individual parcels may differ significantly. This is not a property appraisal.

Market Pressure

MODERATE

Tennessee's admitted-carrier market is showing mild contraction. A broker with state-specific experience helps.

Admitted Market Share

80%

Carriers exiting at 2.7% YoY in Tennessee.

Residual Market

$1,600–$3,300

annual · last-resort
FAIR Plan / Citizens exposure up 14% since 2020.

Premium Strain Index

Insurance is roughly 6.4% of median household income — the First Street 12th National Risk Assessment characterizes anything above 5% as financially unsustainable.

Premium-to-income ratio. Based on state Department of Insurance filings, average annual premiums in this area range from $2,847 to $5,414. Not an insurance quote. The First Street 12th National Risk Assessment characterizes any ZIP above 5% as financially unsustainable.

Not an insurance quote. These figures are derived from public state Department of Insurance filings and are intended to surface market pressure signals. Actual premiums depend on parcel-specific underwriting factors and carrier availability. Consult a licensed insurance broker for a binding quote.

Greene County Hazard Breakdown

Scores below are from the federal National Risk Index at the county level, refined with parcel-level signals where available (FEMA NFHL for flood, USDA WHP for wildfire, USGS PGA for earthquake, NWS for heat).

Below the national median (safer than most)

Hurricane

Low

Above the national median (top 31% most at-risk)

Earthquake

High

Bottom 20% nationally (safer than most)

Extreme Heat

Minimal

Above the national median (top 36% most at-risk)

Flood

High

Below the national median (safer than most)

Wildfire

Low

Above the national median (top 38% most at-risk)

Severe Storm / Tornado

High
Hazard
Risk Level
Score · Source
Hurricane
Below the national median (safer than most)· FEMA
Earthquake
Above the national median (top 31% most at-risk)· USGS
Extreme Heat
Bottom 20% nationally (safer than most)· NOAA
Flood
Above the national median (top 36% most at-risk)· FEMA
Wildfire
Below the national median (safer than most)· USDA
Severe Storm / Tornado
Above the national median (top 38% most at-risk)· FEMA

Local Flood Risk Cost Estimator

Flood insurance costs in Greeneville, TN

In Greeneville, TN, the directional annual NFIP flood insurance premium is approximately $1,149 (range $600–$1,551), and the estimated average historical flood claim in Greene is $60,008. Typical mapped exposure aligns with Zone X (moderate / 500-year) (county flood percentile: 64).

NFIP premium (mid)
$1,149/yr
Monthly escrow slice
$50–$129/mo
Avg. paid claim
$60,008
Lender may require
Often optional
Check my flood zoneFlood + escrow calculatorFull Greeneville flood cost guide

Earthquake Insurance ROI Estimator

CEA-style earthquake coverage math in Greeneville, TN

In Greeneville, TN, directional earthquake coverage runs about $2,349/yr with a $112,500 deductible exposure (earthquake percentile: 69). Over 30 years, modeled premium spend is $70,470 vs. $19,571 illustrative expected loss.

Borderline — model expected loss near 30-year premium cost.

Est. annual premium
$2,349/yr
Deductible
$112,500
30-yr premium vs loss
$70,470 / $19,571
Earthquake ROI calculatorEarthquake buyer guide

What each hazard means for you

Expand any card to see the federal source citation and the buyer-specific action items our research team recommends for this hazard profile.

Hurricane Risk

Below the national median (safer than most)Low

NRI inland hurricane / tropical-storm remnant risk: Below the national median (safer than most) for inland wind and rain exposure (county-level, based on historical tropical cyclone tracks). Storm surge does not apply at this inland location.

FEMA · National Risk Index (HRCN)

Earthquake Risk

Above the national median (top 31% most at-risk)High

Above the national median (top 31% most at-risk) for earthquake exposure. USGS PGA: 0.211g (site class D). NRI county percentile: Top 16% most at-risk nationally.

USGS · Design Maps (ASCE 7-16) + NRI

Extreme Heat

Bottom 20% nationally (safer than most)Minimal

Long-term heat risk: Bottom 20% nationally (safer than most) (NRI county baseline). This reflects multi-decadal extreme-heat exposure, not the current week's weather.

NOAA · National Risk Index (HWAV)

Flood Risk

Above the national median (top 36% most at-risk)High

County NRI flood risk: Above the national median (top 36% most at-risk) for flood exposure. NFHL parcel query unavailable.

FEMA · National Risk Index

Wildfire Risk

Below the national median (safer than most)Low

Blended wildfire risk: Below the national median (safer than most). USDA Wildfire Hazard Potential at parcel: Very Low (Class 1/5). County NRI wildfire risk: Around the national median. The parcel-level USDA score moderates the county NRI signal.

USDA · WHP + National Risk Index

Severe Storm / Tornado

Above the national median (top 38% most at-risk)High

NRI severe-storm risk: Above the national median (top 38% most at-risk) for severe-thunderstorm, hail, straight-line wind, and tornado exposure (county-level).

FEMA · National Risk Index (TRND)

FEMA Flood Zone

Is this specific parcel in a Special Flood Hazard Area?

The free address snapshot queries FEMA NFHL point-in-polygon and returns your exact FEMA Flood Zone (A, AE, X, etc.) in seconds.

Run a free address lookup

Carrier Outlook

Tennessee's admitted-carrier market is showing mild contraction. A broker with state-specific experience helps.

Data Sources

FEMA NRINOAAUSGSUSDAEPA
Data Sources & Methodology

FEMA— National Risk Index

Retrieved July 30, 2026

View source

FEMA— National Risk Index (HRCN)

Retrieved July 30, 2026

View source

USDA— WHP + National Risk Index

Retrieved July 30, 2026

View source

USGS— Design Maps (ASCE 7-16) + NRI

Retrieved July 30, 2026

View source

NOAA— National Risk Index (HWAV)

Retrieved July 30, 2026

View source

FEMA— National Risk Index (TRND)

Retrieved July 30, 2026

View source
View full methodology

What buyers should know

Buying in 37743: a risk primer

Before you write an offer on a home in Greeneville, understand how climate and insurance costs affect long-term ownership in 37743.

37743 in Greeneville, Tennessee, scores above the national median (top 35% most at-risk) on our composite climate-risk index. That ranking reflects the combined influence of earthquake shaking risk (69), flood risk (64), and tornado (62) in this ZIP code. Before writing an offer, buyers should understand which hazard drives the score and how it shows up in insurance premiums and long-term maintenance costs.

The data below is assembled from five federal sources — FEMA (flood and National Risk Index), NOAA (storm history and heat), USGS (seismic design), and USDA (wildfire hazard potential) — and is refreshed quarterly. Use it as a starting point for due diligence, not a substitute for a licensed inspector, structural engineer, or insurance agent.

Earthquake risk in 37743

The earthquake shaking risk score for 37743 is 69 (high), which is above the national median. 37743 sits in a seismically active area with high expected shaking (PGA). Standard homeowners insurance does not cover earthquake damage; a separate earthquake policy is required. In Tennessee, deductibles are typically 10–20% of the dwelling limit, so the policy only matters for catastrophic loss.

For a specific address inside 37743, this score can shift meaningfully. A home on a ridge may have lower flood exposure than one in a valley; a parcel surrounded by irrigated lawn may have lower wildfire exposure than one against open space. The $19 Risk Before Buy report resolves these parcel-level differences and includes a 30-year projection for each hazard.

Flood risk in 37743

The flood risk score for 37743 is 64 (high), which is around or slightly above the national median. Parts of 37743 carry moderate flood exposure driven by rainfall-driven ponding or nearby creek flooding. Even outside the SFHA, lenders do not require flood insurance unless the parcel is mapped in Zone A/AE, but we still recommend a flood quote before closing.

For a specific address inside 37743, this score can shift meaningfully. A home on a ridge may have lower flood exposure than one in a valley; a parcel surrounded by irrigated lawn may have lower wildfire exposure than one against open space. The $19 Risk Before Buy report resolves these parcel-level differences and includes a 30-year projection for each hazard.

Tornado risk in 37743

The tornado score for 37743 is 62 (high), which is around or slightly above the national median.

For a specific address inside 37743, this score can shift meaningfully. A home on a ridge may have lower flood exposure than one in a valley; a parcel surrounded by irrigated lawn may have lower wildfire exposure than one against open space. The $19 Risk Before Buy report resolves these parcel-level differences and includes a 30-year projection for each hazard.

Insurance is where climate risk becomes a monthly payment. In 37743, our directional estimate for a standard homeowners policy plus required hazard coverage is $2,847 – $5,414 per year. That estimate assumes a mid-range home and does not include optional coverages such as earthquake, flood (where not required), or higher wind deductibles.

Relative to local incomes, that premium range equals approximately 6.37% of the Greene County median household income — a severe premium-to-income burden. As a rule of thumb, premiums above 3–4% of household income begin to compress affordability and can reduce the pool of future buyers when you eventually sell.

Buyer action items

  • Get carrier quotes early. Ask at least two admitted-market carriers and one surplus-line broker for a homeowners quote that explicitly includes earthquake shaking risk, flood risk, and tornado. Do this before the inspection contingency expires.
  • Add a climate contingency to the purchase agreement. Our free Tennessee-specific contract templates let you make the deal contingent on acceptable insurance premiums, flood-zone status, or seller-provided mitigation documentation.
  • Order hazard-specific inspections if the top risks warrant it. In 37743, that may mean a flood-zone determination, a wildfire/defensible-space assessment, a structural/seismic review, or a wind-mitigation inspection depending on which hazards score highest.

Frequently asked questions about 37743

Ready to underwrite 37743?

Get the full address-level report

Both tiers use verified federal data. The $19 snapshot is your pre-offer feasibility check (delivered within 5 minutes). The $99 audit adds parcel flood verification, market context, claim history, and a negotiation brief (within 24 hours).

Full Report

Tier L2

$19per address

Address-level hazard and insurance feasibility snapshot — five hazards, 30-year projections, carrier pressure signals, and a buy / negotiate / walk-away read for pre-offer buyers. PDF delivered within 5 minutes.

  • Five-hazard score breakdown: flood, wildfire, hurricane, earthquake, heat
  • 30-year federal climate projections for heat, wildfire, and sea level rise
  • Insurance premium estimate range based on state DOI filings
  • Clear buy / negotiate / walk-away recommendation with plain-language reasoning
  • Comparable lower-risk communities within 25 miles (up to 3 when available)
  • Plain-English explanations of SFHA, BFE, residual market, and other insurance terms
  • Single PDF you can share with your partner, agent, or inspector

Best for: pre-offer sanity check

Delivered: PDF by email within 5 minutes

Federal data: FEMA, USGS, NOAA, USDA, EPA

Delivered by email within 5 minutes of payment.

Most comprehensive

Pre-Purchase Audit

Tier L3

$99per property

Under-contract diligence package: parcel flood zone verification, state insurance market analysis, NOAA claim history, and an evidence-backed negotiation brief to assess earnest-money risk. PDF delivered within 24 hours.

  • Everything in the $19 Full Report
  • Parcel-level FEMA flood zone verification (Zone A/AE/VE/X — point-in-polygon)
  • State insurance market analysis: admitted carrier share, exit rate, residual market growth
  • Premium Strain Index — insurance cost as % of local median income, with 2% / 5% affordability benchmarks
  • 10-year NOAA Storm Events claim history for the ZIP code
  • Negotiation leverage brief with specific, evidence-backed seller-concession asks (typically 3–5; fewer when data is limited)
  • Total carrying cost estimate: HO-3 baseline + standalone perils + residual market fallback
  • Identifies whether the property may become hard to insure before you close
  • Gives you specific talking points for price, credits, and contingency negotiation

Best for: under-contract buyers

Delivered: PDF by email within 24 hours

Includes: 7-day no-questions-asked refund

Delivered by email within 24 hours of payment.

Nearby ZIP risk profiles in Greene

Compare climate and insurance risk across neighboring ZIP codes before you commit to a specific address in Greeneville.

Explore 37743 in context

Indexable hub links for buyers comparing 37743 with the wider Greeneville market and Tennessee insurance trends.

How we score 37743

Free contract templates for Tennessee buyers

Download free climate-risk contingency addendums written for Tennessee purchase agreements. Add earthquake, flood, or tornado contingencies to your offer.

Browse free templates