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Worcester, MA Flood Zone Map

Last updated: August 2026

Worcester faces flooding from the Blackstone River and its tributaries. Flash flooding in urban areas during heavy rainfall is the primary flood hazard in this central Massachusetts city.

Worcester County has recorded 765 NFIP flood insurance claims since 1978, totaling $12.6M in payouts. Explore the full NFIP claims data by state and county to see how this area compares nationally.

FEMA Region

Region 1

NFIP Policies

1,792

Worcester County

Avg. Premium

$1,185/yr

Worcester County

Active NFIP Policies: Worcester County

Worcester County had 1,792 NFIP flood insurance policies written or renewed over the trailing 13 months, with an average annual premium of $1,185, totaling $2.1M in annual premiums. Because a policy renewed inside that window is counted twice, this runs above the number in force at any one moment.

Average Annual Premium

Worcester County$1,185
National Average$915

Policies by Flood Zone

Zone AE
835(avg. $1,496/yr)
Zone X
698(avg. $700/yr)
Zone A
253(avg. $1,510/yr)
Zone AO
4(avg. $600/yr)
Zone AH
2(avg. $1,004/yr)

Source: OpenFEMA NFIP Policies API. Reflects policies with an effective date in the trailing 13 months (July 1, 2025 through August 16, 2026) - a 12-month policy term plus a 1-month buffer for OpenFEMA's own reporting lag - as an approximation of currently active policies, not a certified point-in-time count. Policies renewed early in this window may be counted twice, so actual totals may be somewhat lower than shown. See national policies data.

See the full flood insurance cost guide for how premiums vary by zone and risk factor.

NFIP Flood Insurance Claims: Worcester County

Properties in Worcester County have filed 765 NFIP flood insurance claims totaling $12.6M in payouts since 1978. The average claim payout is $16K.

Highest-Claim Years

2005

138 claims - $4.1M

2010

61 claims - $690K

1982

44 claims - $357K

Claims by Flood Zone

Zone A
276(avg. $16K)
Zone X
239(avg. $9K)
Zone AE
161(avg. $31K)
Zone AH
20(avg. $38K)
Zone AO
5(avg. $7K)

Source: OpenFEMA NFIP Claims API. Data sourced August 2026. See national claims data.

Flood Insurance Coverage: Worcester County

Only roughly 1 in 190 households in Worcester County carries NFIP flood insurance (0.5% of estimated households). With 197 recorded flood events and $10.8M in damage, most flood losses in this county are likely uninsured.

Penetration Rate

0.5%

roughly 1 in 190 households

Historical Claims Ratio

1 in 2

765 claims over 45+ years across 1,792 current policies

Avg. Claim Payout

$16,412

Per claim, county-wide since 1978

Historically, Worcester County has averaged 1 claim for every 2 active policies (since 1978). This compares cumulative claims against today's policy count and does not predict future claim likelihood.

Coverage data: NFIP policies as of August 2026, claims since 1978 (August 2026), population from FEMA NRI. All figures are county-wide and include Worcester.

Not sure whether you're required to carry it? See do I need flood insurance?, or compare NFIP vs. private flood insurance.

Repetitive Loss Properties: Worcester County

Worcester County has 63 properties with multiple flood insurance losses, including 5 severe repetitive loss properties. 2 properties have received FEMA mitigation funding. Severe repetitive loss is a subset of multiple loss, not a separate count. Data sourced August 2026.

Multiple Loss

63

2+ claims within 10 years

Severe Repetitive Loss

5

4+ claims or 2 exceeding value

Mitigated

2

Received FEMA mitigation

By Flood Zone

Zone AE
29
Zone X
19
Zone A
11
Zone AO
1
Zone AH
1

Zone data available for 61 of 63 properties.

Source: OpenFEMA NFIP Multiple Loss Properties. Data sourced August 2026.

Flood Insurance Discount: Worcester

Worcester participates in FEMA's Community Rating System (CRS), a voluntary program that rewards communities for flood mitigation efforts beyond minimum NFIP requirements. Residents in the Special Flood Hazard Area may qualify for reduced flood insurance premiums.

CRS Class

Class 7

SFHA Premium Discount

15% off

CRS classes range from 1 (best) to 10 (no discount). Worcester's Class 7 rating means NFIP policyholders in the SFHA can receive up to a 15% discount on their flood insurance premiums. Properties outside the SFHA may receive a 5% discount.

Source: FEMA Community Rating System, April 2026. Discounts apply to NFIP policies only.

Federal Flood Disaster History: Worcester County

Worcester County has been included in 12 federal flood-related disaster declarations.

2024Severe Storms and FloodingFlood
2023Hurricane LeeHurricane
2012Hurricane SandyHurricane
2011Hurricane IreneHurricane
2010Hurricane EarlHurricane
2005Hurricane Katrina EvacuationHurricane
2004FloodingFlood
1998Heavy Rains and FloodingFlood

...and 4 earlier declarations since 1985.

These declarations affected communities across Worcester County, including Worcester.

Source: OpenFEMA Disaster Declarations Summaries API. Data sourced August 2026.

Recorded Flood Events: Worcester County

NOAA has recorded 197 flood events in Worcester County since 1996, causing $10.8M in damage.

Costliest Events

March 29, 2010Flood$4.0M
March 14, 2010Flood$2.7M
March 15, 2010Flood$1.4M
June 13, 1998Flash Flood$570K
April 16, 2007Flood$500K

Events by Type

Flood
119
Flash Flood
78

Source: NOAA Storm Events Database, 1996-2026. Data sourced August 2026.

Flood Mitigation: Worcester County

FEMA has funded mitigation for 9 properties in Worcester County, investing $2.7M in flood risk reduction. Common mitigation actions include acquisition (buying and demolishing flood-prone structures), elevation (raising buildings above flood level), and safe rooms (wind/storm shelters for tornado and hurricane protection).

By Action Type

Other
4
Generator
4
Acquisition
1

Source: OpenFEMA Hazard Mitigation Assistance. Data sourced August 2026. FEMA records a total payment per grant rather than per property, so the dollar figure is an estimate that splits each grant across the properties it covers; the property count is exact.

FEMA Flood Risk Profile: Worcester County

Based on FEMA's National Risk Index, which evaluates flood risk at the county level using historical loss data, exposure, and vulnerability.

Inland Flood Risk

Relatively High

Est. annual loss: $89.6M

Hurricane Risk

Relatively High

Est. annual loss: $37.2M

Social Vulnerability: Relatively Low
Community Resilience: Very High

Source: FEMA National Risk Index, county-level assessment. Individual property risk may vary.

What Your Flood Zone Means in Worcester

Worcester faces multiple inland flood threats, including riverine flooding from nearby waterways and flash flooding from intense rainfall overwhelming urban drainage systems. Properties near river corridors face the highest risk, but stormwater backup can affect neighborhoods well outside the mapped floodplain. The most common FEMA flood zone designations in Worcester are Zone AE, Zone X. FEMA's National Risk Index estimates the county's annual expected loss from inland flooding at over $89.6M.

With both riverine and urban stormwater flood risk, insurance costs in Worcester depend heavily on a property's elevation relative to nearby waterways and the local drainage infrastructure. FEMA's Risk Rating 2.0 prices in multiple inland flood sources rather than relying on the flood zone line alone. If your property is in a Special Flood Hazard Area (SFHA) and you have a federally regulated or government-backed mortgage, federal law generally requires your lender to ensure you carry flood insurance.

Flood zone boundaries in Worcester can shift when FEMA updates its Flood Insurance Studies or when upstream development changes how water moves through the watershed. New stormwater infrastructure or dam modifications can also trigger map revisions. Use our free lookup tool to check the current flood zone for any Worcester address.

Worcester, MA Flood Zone FAQ

What flood zones are in Worcester, MA?

The most common FEMA flood zones in Worcester are Zone AE, Zone X. Properties in these high-risk zones (SFHA) may require flood insurance with a federally regulated or government-backed mortgage.

Is flood insurance required in Worcester?

If your Worcester property is in a Special Flood Hazard Area (SFHA) and you have a federally regulated or government-backed mortgage, federal law generally requires your lender to ensure you carry flood insurance. Properties in Zone X are not federally required to carry flood insurance, though coverage is still recommended since about a quarter of all NFIP flood claims come from properties outside high-risk zones.

How do I check my flood zone in Worcester?

Enter your Worcester address in the search tool above for an instant flood zone determination. Results include your FEMA flood zone, SFHA status, base flood elevation (if available), and FIRM panel information, pulled directly from FEMA's National Flood Hazard Layer.

Does Worcester offer flood insurance discounts?

Yes. Worcester participates in FEMA's Community Rating System (CRS) with a Class 7 rating, qualifying residents in the Special Flood Hazard Area for up to a 15% discount on NFIP flood insurance premiums. Properties outside the SFHA may receive a 5% discount.

Has Worcester experienced major flooding events?

Worcester County, where Worcester is located, has been part of 12 federal disaster declarations for flooding, hurricanes, or severe storms. The most recent was Severe Storms and Flooding in 2024. Federal disaster declarations are issued when flooding overwhelms local resources and triggers FEMA assistance programs.

How many flood insurance claims have been filed in Worcester?

Worcester County has recorded 765 NFIP flood insurance claims totaling $12.6M in payouts since 1978. The year with the most claims was 2005, with 138 claims and $4.1M in payouts. These figures cover all NFIP claims in the county, including Worcester.

How many flood insurance policies are there in Worcester?

Worcester County had 1,792 NFIP flood insurance policies written or renewed over the trailing 13 months, with an average annual premium of $1,185. The most policies are in Zone AE (835 policies). These are county-level counts of policies written or renewed in the trailing 13 months, not a point-in-time count of policies in force - a policy renewed inside that window is counted twice.

How many Worcester properties have flooded repeatedly?

Worcester County has 63 properties with multiple flood losses on record, including 5 severe repetitive loss properties. These are properties that have experienced four or more NFIP claims of $5,000+ or two claims exceeding the building value.

Can my Worcester property be removed from a high-risk flood zone?

Yes, if your property's natural ground elevation is above the Base Flood Elevation and FEMA inadvertently mapped it in a high-risk zone, you can apply for a Letter of Map Amendment (LOMA). A successful LOMA removes the property from the Special Flood Hazard Area, generally eliminating the federal mandatory flood insurance requirement. You will need an elevation certificate from a licensed surveyor. If a property was raised above the BFE with fill material, the process is a LOMR-F rather than a LOMA.

What is Base Flood Elevation in Worcester?

Base Flood Elevation (BFE) is the predicted height of floodwaters during a 1% annual chance (100-year) flood, shown on FEMA maps as an elevation number in feet above sea level. In Worcester's Zone AE areas, BFE lines appear on the FIRM as wavy contours labeled with elevation values. Properties with a lowest floor at or above the BFE typically qualify for significantly lower NFIP flood insurance premiums.

See the Flood Map for Any Worcester, MA Address

Enter a Worcester, MA address to view its FEMA flood map, zone designation, SFHA status, and insurance requirements.

Disclaimer: Flood risk data on this page is sourced from FEMA datasets including the National Risk Index, NFIP claims and policy records, disaster declarations, and the Community Rating System. These datasets were last extracted on August 2026 and may not reflect the most recent changes. Always verify current flood zone status through FEMA or a licensed determination provider before making property, insurance, or lending decisions.