Carbondale, CO: Earthquake & Flood Risk (81623)
81623 in Carbondale, CO: earthquake and flood risk, est. insurance $2,936–$5,556/yr, and buyer guidance before you close.
Carbondale, Colorado 81623
Data retrieved: Oct 29, 2026 at 06:51 UTC
Overall Risk
Above the national median (top 35% most at-risk)
County-level composite
Est. Annual Insurance
$2,936 – $5,556
Directional range
Premium Strain
4.84% of median income
high
Flood Insurance
Not required
Parcel falls outside SFHA
Insurance-first due diligence
What buyers pay for coverage in 81623
- Directional homeowners estimate: $2,936–$5,556/yr before carrier underwriting.
- Composite climate risk ranks above the national median (top 35% most at-risk) for 81623.
- Shop quotes during inspection — CO market pressure can change carrier appetite by ZIP.
Quick buyer brief
What makes 81623 different
A short, indexable summary for buyers comparing 81623 with nearby options in Carbondale.
81623 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 $2,936 - $5,556/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 state overview and the nearby-ZIP links below before you write an offer.
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
Colorado's admitted-carrier market is contracting. A broker with state-specific experience is strongly recommended.
Admitted Market Share
66%
Carriers exiting at 6.1% YoY in Colorado.
Residual Market
$2,400–$5,200
annual · last-resort
FAIR Plan / Citizens exposure up 95% since 2020.
Premium Strain Index
Insurance is roughly 4.8% of median household income — well above the 2% middle-income affordability benchmark (First Street flags 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 $2,936 to $5,556. Not an insurance quote. The First Street 12th National Risk Assessment characterizes any ZIP above 5% as financially unsustainable.
Unknown 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
HighBelow the national median (safer than most)
Extreme Heat
LowAbove the national median (top 37% most at-risk)
Flood
HighBottom 20% nationally (safer than most)
Wildfire
MinimalBelow the national median (safer than most)
Severe Storm / Tornado
LowLocal Flood Risk Cost Estimator
Flood insurance costs in Carbondale, CO
In Carbondale, CO, the directional annual NFIP flood insurance premium is approximately $1,142 (range $600–$1,542), and the estimated average historical flood claim in Pitkin is $59,436. Typical mapped exposure aligns with Zone X (moderate / 500-year) (county flood percentile: 63).
- NFIP premium (mid)
- $1,142/yr
- Monthly escrow slice
- $50–$129/mo
- Avg. paid claim
- $59,436
- Lender may require
- Often optional
Earthquake Insurance ROI Estimator
CEA-style earthquake coverage math in Carbondale, CO
In Carbondale, CO, directional earthquake coverage runs about $2,370/yr with a $112,500 deductible exposure (earthquake percentile: 70). Over 30 years, modeled premium spend is $71,100 vs. $19,763 illustrative expected loss.
Borderline — model expected loss near 30-year premium cost.
- Est. annual premium
- $2,370/yr
- Deductible
- $112,500
- 30-yr premium vs loss
- $71,100 / $19,763
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
Federal hurricane data unavailable; score is a seed estimate.
FEMA · National Risk Index (HRCN)
Earthquake Risk
Above the national median (top 30% most at-risk) for earthquake exposure. USGS PGA: 0.403g. NRI county data unavailable.
USGS · Design Maps (ASCE 7-16) + NRI
Extreme Heat
Federal heat data unavailable; score is a seed estimate.
NOAA · National Risk Index (HWAV)
Flood Risk
Federal flood data unavailable for this location; score is a seed estimate.
FEMA · National Risk Index
Wildfire Risk
USDA Wildfire Hazard Potential at parcel: Very Low (Class 1/5). NRI county data unavailable.
USDA · WHP + National Risk Index
Severe Storm / Tornado
Federal severe-storm data unavailable; score is a seed estimate.
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 lookupCarrier Outlook
Colorado's admitted-carrier market is contracting. A broker with state-specific experience is strongly recommended.
Data Sources
Data Sources & Methodology
FEMA— National Risk Index
Retrieved October 29, 2026
FEMA— National Risk Index (HRCN)
Retrieved October 29, 2026
USDA— WHP + National Risk Index
Retrieved October 29, 2026
USGS— Design Maps (ASCE 7-16) + NRI
Retrieved October 29, 2026
NOAA— National Risk Index (HWAV)
Retrieved October 29, 2026
FEMA— National Risk Index (TRND)
Retrieved October 29, 2026
What buyers should know
Buying in 81623: a risk primer
Before you write an offer on a home in Carbondale, understand how climate and insurance costs affect long-term ownership in 81623.
81623 in Carbondale, Colorado, 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 (70) and flood risk (63) 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 81623
The earthquake shaking risk score for 81623 is 70 (high), which is above the national median. 81623 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 Colorado, deductibles are typically 10–20% of the dwelling limit, so the policy only matters for catastrophic loss.
For a specific address inside 81623, 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 81623
The flood risk score for 81623 is 63 (high), which is around or slightly above the national median. Parts of 81623 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 81623, 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 81623, our directional estimate for a standard homeowners policy plus required hazard coverage is $2,936 – $5,556 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 4.84% of the Unknown County median household income — a high 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 and flood risk. Do this before the inspection contingency expires.
- Add a climate contingency to the purchase agreement. Our free Colorado-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 81623, 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 81623
Ready to underwrite 81623?
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
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.
Pre-Purchase Audit
Tier L3
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 Pitkin
Compare climate and insurance risk across neighboring ZIP codes before you commit to a specific address in Carbondale.
Explore 81623 in context
Indexable hub links for buyers comparing 81623 with the wider Carbondale market and Colorado insurance trends.
Colorado climate risk overview
State-wide hazard patterns and insurance context for buyers near Carbondale, CO.
Colorado buyer guides
State-wide insurance market pressure and regional hazard patterns.
High-risk area buyer checklist
Questions to ask before writing an offer in 81623.
Free contract templates for Colorado buyers
Download free climate-risk contingency addendums written for Colorado purchase agreements. Add earthquake, flood, or tornado contingencies to your offer.
Browse free templates