73071 Climate & Property Risk Report
Free address-level climate risk context for 73071 in Norman, Oklahoma. Flood, wildfire, hurricane, earthquake, and heat — with insurance estimates and buyer guidance.
Norman, Oklahoma 73071, United States
Data retrieved: Jun 22, 2026 at 16:37 UTC
Overall Risk
Top 10% most at-risk nationally
County-level composite
Est. Annual Insurance
$2,478 – $4,449
Directional range
Premium Strain
5.66% of median income
severe
Flood Insurance
Not required
Parcel falls outside SFHA
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
HIGH
Oklahoma's admitted-carrier market is contracting. A broker with state-specific experience is strongly recommended.
Admitted Market Share
71%
Carriers exiting at 5.0% YoY in Oklahoma.
Residual Market
$2,100–$4,500
annual · last-resort
FAIR Plan / Citizens exposure up 56% since 2020.
Premium Strain Index
Insurance is roughly 5.7% 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 $2,478 to $4,449. Not an insurance quote. The First Street 12th National Risk Assessment characterizes any ZIP above 5% as financially unsustainable.
Cleveland 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
LowAbove the national median (top 30% most at-risk)
Earthquake
HighTop 5% most at-risk nationally
Extreme Heat
ExtremeBelow the national median (safer than most)
Flood
LowAround the national median
Wildfire
ModerateTop 5% most at-risk nationally
Severe Storm / Tornado
ExtremeWhat 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
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 30% most at-risk) for earthquake exposure. USGS PGA: 0.208g (site class D). NRI county percentile: Top 15% most at-risk nationally.
USGS · Design Maps (ASCE 7-16) + NRI
Extreme Heat
Long-term heat risk: Top 5% most at-risk nationally (NRI county baseline). This reflects multi-decadal extreme-heat exposure, not the current week's weather.
NOAA · National Risk Index (HWAV)
Flood Risk
Parcel is in FEMA Flood Zone X – AREA OF MINIMAL FLOOD HAZARD. County NRI flood risk: Top 15% most at-risk nationally. The parcel is outside the mapped floodplain, but the surrounding county has elevated stormwater and urban flash-flood exposure from heavy rainfall events.
FEMA · NFHL + National Risk Index
Wildfire Risk
Blended wildfire risk: Around the national median. USDA Wildfire Hazard Potential at parcel: Very Low (Class 1/5). County NRI wildfire risk: Top 15% most at-risk nationally. The parcel-level USDA score moderates the county NRI signal.
USDA · WHP + National Risk Index
Severe Storm / Tornado
NRI severe-storm risk: Top 5% most at-risk nationally for severe-thunderstorm, hail, straight-line wind, and tornado exposure (county-level).
FEMA · National Risk Index (TRND)
Lower-risk alternatives nearby
Communities within 25 miles of Norman with a measurably lower composite climate risk. Useful as a comp set when evaluating whether to negotiate on this address or pivot to a nearby one.
Oklahoma City, OK
Top 5% most at-risk nationally
18 miles away
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 lookupCarrier Outlook
Oklahoma's admitted-carrier market is contracting. A broker with state-specific experience is strongly recommended.
Data Sources
Data Sources & Methodology
FEMA— NFHL + National Risk Index
Retrieved June 22, 2026
FEMA— National Risk Index (HRCN)
Retrieved June 22, 2026
USDA— WHP + National Risk Index
Retrieved June 22, 2026
USGS— Design Maps (ASCE 7-16) + NRI
Retrieved June 22, 2026
NOAA— National Risk Index (HWAV)
Retrieved June 22, 2026
FEMA— National Risk Index (TRND)
Retrieved June 22, 2026
What buyers should know
Buying in 73071: a risk primer
Before you write an offer on a home in Norman, understand how climate and insurance costs affect long-term ownership in 73071.
73071 in Norman, Oklahoma, scores top 10% most at-risk nationally on our composite climate-risk index. That ranking reflects the combined influence of extreme heat exposure (97), tornado (96), and earthquake shaking risk (70) 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 73071
The extreme heat exposure score for 73071 is 97 (extreme), which is well above the national median. 73071 experiences severe extreme-heat exposure. This translates directly into higher cooling costs, accelerated roof and HVAC wear, and reduced outdoor usability for parts of the year. Buyers should budget for higher-efficiency cooling and check the age of the existing HVAC system.
For a specific address inside 73071, 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 73071
The tornado score for 73071 is 96 (extreme), which is well above the national median.
For a specific address inside 73071, 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.
Earthquake risk in 73071
The earthquake shaking risk score for 73071 is 70 (high), which is above the national median. 73071 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 Oklahoma, deductibles are typically 10–20% of the dwelling limit, so the policy only matters for catastrophic loss.
For a specific address inside 73071, 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 73071, our directional estimate for a standard homeowners policy plus required hazard coverage is $2,478 – $4,449 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 5.66% of the Cleveland 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 extreme heat exposure, tornado, and earthquake shaking risk. Do this before the inspection contingency expires.
- Add a climate contingency to the purchase agreement. Our free Oklahoma-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 73071, 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
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Get the full address-level report
The free ZIP snapshot shows area-level risk. The $19 report narrows it to the exact property you're buying.
Full Report
Tier L2
Address-level climate risk deep dive covering five hazards, 30-year projections, and an insurance cost estimate. Delivered as a PDF within 24 hours.
- 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 24 hours
Federal data: FEMA, USGS, NOAA, USDA, EPA
Delivered by email within 24 hours of payment.
Pre-Purchase Audit
Tier L3
Full due-diligence report for under-contract buyers. Adds parcel-level flood zone verification, state insurance market analysis, claim history, and a negotiation brief with specific seller-concession asks. Delivered as a PDF by email 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.
Free contract templates for Oklahoma buyers
Download free climate-risk contingency addendums written for Oklahoma purchase agreements. Add extreme-heat, tornado, or earthquake contingencies to your offer.
Browse free templates