Flood insurance cost · Boulder County, CO

Flood insurance cost in Boulder County, Colorado

What homeowners with a National Flood Insurance Program policy actually pay, from FEMA's records of 2,312 home policies in force on August 31, 2026.

Boulder County, ColoradoPolicies in force on Aug 31, 2026

Median annual cost of NFIP flood insurance for a home

$1,038a year

Half of insured homes paid between $733 and $1,359. That is 12% more than the Colorado median ($926). Most insured homes here are rated in zone X (51%).

$0$733 · $1,038 · $1,359$1,699
+4.1% vs Aug 31, 2025 (median $997)
2,312home policies in force
$1,157average cost (mean)
49%of insured homes in high-risk zones (A, V)
$250,000median building coverage

This is what policyholders paid, not a quote. Two neighbors can pay very different prices: NFIP prices depend on the building (elevation, foundation, number of floors, replacement cost), the coverage and deductible chosen and the distance to water (FEMA FloodSmart: premium factors). For a price for your building, ask an insurance agent. Private flood insurance is not included in these figures.

Cost by flood zone in Boulder County

The flood zone on FEMA's map is one of the main price factors. Median and middle half of what insured homes paid, by the zone used to rate the policy.

Flood zoneMedianMiddle half (25th–75th percentile)AveragePoliciesvs last year
Zone AE
High risk
$1,123$806–$1,508$1,3421,043 (45%)+4.0%
Zone A
High risk
$1,236$951–$1,492$1,59830 (1%)+3.4%
Zone AO
High risk, shallow
$1,140$948–$1,455$1,25665 (3%)+5.7%
Zone X
Moderate to low risk
$944$660–$1,254$9761,174 (51%)+2.7%

Not shown (fewer than 10 home policies): VE, AH, A99/AR, D. Shares are of all insured homes; a few policies have no rated zone. "vs last year" compares medians with policies in force a year earlier.

Cost by type of building

All NFIP policies in force in Boulder County, by what they insure.

Type of buildingPoliciesMedianAverage
Single-family home1,974$1,086$1,207
2–4 unit building97$1,224$1,327
Manufactured (mobile) home36$694$751
Condo or apartment unit205$612$663
Whole residential building (5+ units or condo association)
One policy covers the whole building, so the cost is much higher than for a single home.
238$2,238$2,914
Non-residential building or unit
Businesses, churches, farm buildings and other non-residential property.
387$2,567$3,254
2,937NFIP policies in force, any building
4,101insured units (condo association policies count every unit)
80%of home policies also cover contents
$100,000median contents coverage, when bought

One year on: Boulder County

Policies in force on August 31, 2026 compared with a year earlier. Nationwide, practically all policies in both years carry FEMA's Risk Rating 2.0 occupancy codes, so both years use the same pricing system. The policies are not the same: some were new, some lapsed.

Aug 31, 2025Aug 31, 2026Change
Home policies in force2,4512,312−5.7%
Median annual cost$997$1,038+4.1%
Average annual cost$1,089$1,157+6.2%
All policies in force (any building)3,1022,937−5.3%

How many homes have flood insurance?

2.3%of all homes in Boulder County have an NFIP policy
44.5%of homes in high-risk zones (special flood hazard area) have one
111,369residential buildings counted by FEMA
2,870of them in high-risk zones

FEMA NFIP Residential Penetration Rates, data as of August 3, 2026: residential contracts in force divided by residential structures.

Flood claims history

Since 1978, NFIP policyholders in Boulder County, Colorado have filed 1,786 flood claims. 1,376 received a payment, for a total of $50.1 million (an average of $36,412 per paid claim). The year with the most claims was 2013 (1,520 claims). Amounts are in dollars of the time, not adjusted for inflation.

05001k1.5k2k1980: 11 claims19801983: 10 claims19901991: 10 claims1995: 54 claims, 19 paid, $49,882 in total1995200020102013: 1,520 claims, 1,259 paid, $48,909,674 in total20132015: 15 claims20202021: 15 claims2022: 17 claims, 12 paid, $112,436 in total2022
Flood claims per year of loss, 1978–2026. Years with fewer than 10 claims are left blank. Hover a bar for details.
All years with at least 10 claims (8)

Swipe the table sideways to see all columns.

Year of lossClaimsPaid claimsTotal paidAverage per paid claim
20221712$112,436$9,370
202115<10––
201515<10––
20131,5201,259$48,909,674$38,848
19955419$49,882$2,625
199110<10––
198310<10––
198011<10––

From 2016 to 2026: 32 claims (counting only years with at least 10). 2026 is a partial year. Claims are counted where the insured property is; they include buildings and contents, homes and businesses.

ZIP codes in Boulder County

ZIP codes with at least 300 NFIP home policies in force have their own page.

Main NFIP communities in the county

Boulder (1,438 home policies) · Unincorporated Boulder County (494 home policies) · Longmont (186 home policies) · Lafayette (51 home policies) · Lyons (43 home policies) · Louisville (40 home policies)