Risk Before Buy
ZIP Code Risk Report · OH

45177 Climate Risk & Insurance Guide (2026)

45177 in Wilmington, OH: extreme heat and severe storm risk, est. insurance $1,118–$1,817/yr, and buyer guidance before you close.

Wilmington, Ohio 45177, United States

Data retrieved: Jul 30, 2026 at 16:03 UTC

Overall Risk

Below the national median (safer than most)

County-level composite

Est. Annual Insurance

$1,118 – $1,817

Directional range

Premium Strain

2.19% of median income

elevated

Flood Insurance

Not required

Parcel falls outside SFHA

Quick buyer brief

What makes 45177 different

A short, indexable summary for buyers comparing 45177 with nearby options in Wilmington.

45177 ranks below the national median (safer than most) for overall climate risk, with the biggest current drivers being extreme-heat or tornado.

Buyers in this ZIP should budget roughly $1,118 - $1,817/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.

Wilmington 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

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

Admitted Market Share

81%

Carriers exiting at 2.5% YoY in Ohio.

Residual Market

$1,600–$3,200

annual · last-resort
FAIR Plan / Citizens exposure up 12% since 2020.

Premium Strain Index

Insurance is roughly 2.2% of median household income — above the 2% middle-income affordability benchmark.

Premium-to-income ratio. Based on state Department of Insurance filings, average annual premiums in this area range from $1,118 to $1,817. 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.

Clinton 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

Bottom 20% nationally (safer than most)

Earthquake

Minimal

Around the national median

Extreme Heat

Moderate

Around the national median

Flood

Moderate

Bottom 20% nationally (safer than most)

Wildfire

Minimal

Around the national median

Severe Storm / Tornado

Moderate
Hazard
Risk Level
Score · Source
Hurricane
Below the national median (safer than most)· FEMA
Earthquake
Bottom 20% nationally (safer than most)· USGS
Extreme Heat
Around the national median· NOAA
Flood
Around the national median· FEMA
Wildfire
Bottom 20% nationally (safer than most)· USDA
Severe Storm / Tornado
Around the national median· FEMA

Local Flood Risk Cost Estimator

Flood insurance costs in Wilmington, OH

In Wilmington, OH, the directional annual NFIP flood insurance premium is approximately $1,014 (range $600–$1,369), and the estimated average historical flood claim in Clinton is $49,140. Typical mapped exposure aligns with Zone X (moderate / 500-year) (county flood percentile: 45).

NFIP premium (mid)
$1,014/yr
Monthly escrow slice
$50–$114/mo
Avg. paid claim
$49,140
Lender may require
Often optional
Check my flood zoneFlood + escrow calculatorFull Wilmington flood cost guide

Heat & HVAC Holding-Cost Estimator

Extreme heat carrying costs in Wilmington, OH

In Wilmington, OH, directional summer utility strain adds roughly $97/yr above a moderate-climate baseline (heat percentile: 60). Over 10 years, modeled hidden heat + HVAC costs land near $8,170 — about $817/yr to budget for cooling and accelerated equipment wear.

Est. monthly electric
$183/mo
Annual heat tax
$97/yr
10-yr hidden cost
$8,170
Heat & HVAC cost calculatorExtreme heat 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

Bottom 20% nationally (safer than most)Minimal

Bottom 20% nationally (safer than most) for earthquake exposure. USGS PGA: 0.067g (site class D). Geologically stable region; earthquake is not a meaningful property risk here.

USGS · Design Maps (ASCE 7-16) + NRI

Extreme Heat

Around the national medianModerate

Long-term heat risk: Around the national median (NRI county baseline). This reflects multi-decadal extreme-heat exposure, not the current week's weather.

NOAA · National Risk Index (HWAV)

Flood Risk

Around the national medianModerate

County NRI flood risk: Around the national median for flood exposure. NFHL parcel query unavailable.

FEMA · National Risk Index

Wildfire Risk

Bottom 20% nationally (safer than most)Minimal

Blended wildfire risk: Bottom 20% nationally (safer than most). USDA Wildfire Hazard Potential at parcel: Very Low (Class 1/5). County NRI wildfire risk: Bottom 20% nationally (safer than most). The parcel-level USDA score moderates the county NRI signal.

USDA · WHP + National Risk Index

Severe Storm / Tornado

Around the national medianModerate

NRI severe-storm risk: Around the national median 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

Ohio'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 45177: a risk primer

Before you write an offer on a home in Wilmington, understand how climate and insurance costs affect long-term ownership in 45177.

45177 in Wilmington, Ohio, scores below the national median (safer than most) on our composite climate-risk index. That ranking reflects the combined influence of extreme heat exposure (60), tornado (56), and flood risk (45) 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.

Heat risk in 45177

The extreme heat exposure score for 45177 is 60 (moderate), which is around or slightly above the national median. 45177 sees moderate extreme-heat exposure. Cooling degree days are elevated enough that annual utility costs will be meaningfully higher than in cooler parts of Ohio.

For a specific address inside 45177, 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 45177

The tornado score for 45177 is 56 (moderate), which is around or slightly above the national median.

For a specific address inside 45177, 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 45177

The flood risk score for 45177 is 45 (moderate), which is around or slightly above the national median. Parts of 45177 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 45177, 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 45177, our directional estimate for a standard homeowners policy plus required hazard coverage is $1,118 – $1,817 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 2.19% of the Clinton County median household income — a elevated 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 extreme heat exposure, tornado, and flood risk. Do this before the inspection contingency expires.
  • Add a climate contingency to the purchase agreement. Our free Ohio-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 45177, 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 45177

Ready to underwrite 45177?

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

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

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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 Clinton

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

Explore 45177 in context

Indexable hub links for buyers comparing 45177 with the wider Wilmington market and Ohio insurance trends.

How we score 45177

Free contract templates for Ohio buyers

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

Browse free templates