Rochester, NH Home Insurance

By Jon Merwin, Founder and CEO

Home · Condo · Landlord · Flood · Umbrella · Rochester, New Hampshire

Portsmouth Atlantic Insurance is an independent agency founded in 2005 and licensed in 10 states. We are the most-reviewed independent insurance agency in New Hampshire, with 1,000+ Google reviews and over 2,000 testimonials across our two offices. We shop each Rochester home across 40+ carriers. Start with New Hampshire homeowners insurance, or read on.

Rochester at a glance

The U.S. Census Bureau counts 32,492 Rochester residents in the 2020 census and estimates 33,716 as of July 2025, on about 45 square miles of land. It estimates about 13,932 households and an owner-occupied rate of about 66%, so roughly a third of Rochester homes are rented. That mix matters for insurance: owner-occupied single-family homes, two- and three-family buildings near downtown, condos, and manufactured-home parks all need different policy forms.

The city’s 2025 Multi-Hazard Mitigation Plan Update was prepared by Rochester’s Hazard Mitigation Committee with the Strafford Regional Planning Commission. It updates the city’s 2018 plan. The Cocheco River runs through downtown and Gonic. The Salmon Falls River forms the Maine border along East Rochester, and the Isinglass River crosses the southern part of the city.

Where you live in Rochester changes the policy

• Downtown and the Cocheco. The plan says Rochester’s three repetitive-loss properties are single-family homes near the Cocheco River. Downtown also has many older two- and three-family buildings, so landlord and renters policies come up often.
• Gonic. The plan lists the Upper and Lower Gonic dams on the Cocheco as significant-hazard structures, and it carries forward a mitigation action to remove the deteriorating Gonic Dam and Gonic Sawmill dam. If you live near the river in Gonic, check your flood zone and ask whether the dam work has changed your map.
• East Rochester and the Salmon Falls River. The plan says the Salmon Falls River causes flooding near houses on Autumn Street and parts of Salmon Falls Road, and has closed Autumn Street in the past.
• Manufactured-home parks. The plan notes floodwater has approached homes in the Chestnut Hill Mobile Home Park, even floating propane tanks, and it names the Cocheco Estates park as an area of concern. Manufactured homes need a policy written for them, not a standard homeowners form.
• Rochester Neck and the Isinglass. The plan says a heavy rain on December 18, 2023 flooded Rochester Neck Road. The fire department made a rescue and the road was closed for 24 hours. It also says the Rochester Reservoir Dam on Howard Brook is a significant-hazard dam with an emergency action plan, and a breach would mainly affect the Isinglass River and areas just downstream. The plan rates the chance of a breach as low.

Flood coverage in Rochester

Rochester has been in the NFIP since June 1979. The plan says the city has significant floodplain along Rickers, Howard, Axe Handle, Heath and Willey Brooks, around Hanson Pond and along parts of the Isinglass River. Its NFIP table lists 13 policies in force (12 in B, C or X zones and one in an AE zone) with $8,916,400 of coverage. It also lists three repetitive-loss buildings with four claims totaling $33,771.72. After the December 2023 storm, a January 13, 2024 storm flooded Evans Road and cut it to one lane for a day.

A homeowners policy will not pay for a river over its banks or surface water. Flood is its own policy. Lenders require flood insurance for federally backed mortgages in a special flood hazard area, but homes outside mapped zones flood too. Most of Rochester’s current NFIP policies are on homes outside the high-risk AE zone. Check your address on the FEMA Flood Map Service Center.

• NFIP through Selective. We write National Flood Insurance Program policies through Selective, a Write Your Own carrier. The NFIP covers up to $250,000 for the building and $100,000 for contents. New policies generally have a 30-day waiting period (see FloodSmart), so buy before storm season, not during it.
• Private flood. When a home costs more than the NFIP building limit to rebuild, or you want coverage the NFIP leaves out, we compare Flow Flood, Neptune Flood, Beyond Floods, The Flood Insurance Agency, CatCoverage and Aon Edge. Each one decides address by address.
• Elevation certificates. If you have one, send it. If the house has been raised or has flood vents, it can make a real difference in how flood carriers rate it.

See our flood insurance overview. Water backup (sewer, drain or sump pump failure) is an add-on to homeowners; flood is separate. If your basement is finished, ask about both. See basement flooding coverage and our flood insurance overview.

Storm history

The plan’s table of major disaster declarations for the area includes the 1998 ice storm, the 2006 and 2007 severe storms and flooding, Tropical Storm Irene in 2011, and severe winter storms in 2009, 2010, 2013, 2015 and 2018. It says Strafford County has had 25 major disaster declarations since 1953. Ask us how your policy handles fallen trees, ice dams and long power outages.

Winter, trees and wind in Rochester

New Hampshire winters bring ice dams, frozen pipes and heavy snow loads, and storms bring down trees and limbs. These are generally homeowners claims, subject to your deductible and policy terms. A properly sized wind and all-perils deductible, and a roof in good shape, do more for most homeowners than any single add-on. Water damage from a burst pipe is usually covered when the home is heated and occupied; long vacancies can change that, so tell us if the house will sit empty.

Larger homes

Under about $2 million, most of our 40+ carriers are in play. In New Hampshire, Andover generally writes up to about $1.5 million, or closer to $1 million for homes far from a hydrant or fire station. Around $2 million to $3 million, Hanover is often a fit; above $3 million, Cincinnati; and at $5 million and up, Chubb. Each carrier underwrites the specific house, so these are starting points, not promises.

See high-value home insurance in New Hampshire.

Condos, rentals and multi-family homes

Your HO-6 condo policy covers what the association’s master policy does not: usually your interior, improvements, belongings, liability and loss assessments. See condo insurance in New Hampshire. If you own a two- or three-family building downtown, or rent out a house, you need a dwelling or landlord policy. It covers the building, lost rent and your liability, and we don’t charge fees on those either.

Renters and tenants in Rochester

If you rent in Rochester, your landlord’s policy covers the building, not your belongings or your liability. A renters policy covers both, plus extra living costs after a covered loss. We shop renters coverage across our carriers, and Progressive Home is one of them; we use Progressive Home for renters policies only. Landlords who own two- to four-family buildings can see landlord insurance.

Auto, umbrella and the rest of the household

Most Rochester households also need auto insurance, and many add a personal umbrella. We quote them with the home so the liability limits line up, and we put rentals, second homes, boats and valuables under the same review. One agent, one renewal conversation.

Common coverage gaps we see in Rochester

• A dwelling limit based on the purchase price or assessed value instead of the cost to rebuild
• No water backup coverage on a house with a finished basement
• Personal property limits that have not kept up with what the household actually owns
• Liability limits on the home and auto that do not line up with an umbrella, or no umbrella at all
• No ordinance or law coverage on an older home that would need code upgrades after a loss
• No flood policy on a home near the Cocheco, Salmon Falls or Isinglass rivers
• A downtown multi-family rental insured on a homeowners form, or with no loss-of-rent coverage

Most of these are straightforward to fix once someone reads the declarations pages side by side, and that is the first thing we do in a review.

Before storm season in Rochester

• Know your hurricane or named storm deductible in dollars, not just as a percentage
• Photograph or video each room so a contents claim is easier to document
• Keep your declarations pages, flood policy and any elevation certificate somewhere you can reach from your phone
• If you are thinking about flood coverage, buy it well ahead of a storm because of the waiting period
• Near a river or brook, keep valuables up off the basement floor and test your sump pump each spring

Buying a home in Rochester

Start the insurance conversation before you are under contract, not the week of closing. Send us the listing and the inspection report when you have it. The report answers most of what carriers ask: roof age, electrical panel, heating, plumbing and any water in the basement. Near the Cocheco or Salmon Falls River, ask for any elevation certificate and the seller’s flood policy. For a multi-family building, get the leases and rent roll. We line up the homeowners binder, and a flood binder if you need one, so both are ready for your lender.

How a Rochester home quote works

• Tell us about the house: address, year built, square footage, roof age and updates to wiring, plumbing and heating.
• Send your current declarations page so we can compare like for like and point out limits that look short.
• We shop the carriers that fit and lay the options out side by side, with the differences in coverage, deductibles and storm terms, not just price.
• You choose, and we handle the switch, including your mortgage company and the effective date, so there is no gap.

Serving Rochester from Portsmouth

Our office is at 601 Islington St, Unit 206, Portsmouth, NH 03801, and we work with Rochester clients by phone, email and online. Call (603) 431-4020. Nearby, see our Strafford, Milton, Farmington, Dover page, Barrington and our guide to New Hampshire.

Sources

• City of Rochester, 2025 Multi-Hazard Mitigation Plan Update (Strafford Regional Planning Commission)
• U.S. Census Bureau, QuickFacts: Rochester city, New Hampshire
• FEMA Flood Map Service Center
• FloodSmart, buying a flood policy

Get a quote

Tell us about the property and we will compare carriers and follow up with options. Prefer to talk? Call (603) 431-4020.

Frequently asked questions

Do you insure homes in Rochester, NH?

Yes. We insure Rochester homes from our Portsmouth office at 601 Islington St, and by phone, email and online. Call (603) 431-4020.

Does Rochester flood?

Yes, in some areas. The city’s 2025 hazard mitigation plan ranks flooding as a high-probability hazard. It names the Salmon Falls River at Autumn Street and Salmon Falls Road, Rochester Neck Road and Evans Road, and three repeat-loss homes near the Cocheco River. Check your address on the FEMA Flood Map Service Center.

Does homeowners insurance cover a flooded basement?

Not from flood. Water backup from sewers, drains or a sump pump is an add-on, and rising or surface water needs a flood policy.

Who writes your NFIP flood policies?

We write NFIP policies through Selective, and we compare private flood from Flow Flood, Neptune Flood, Beyond Floods, The Flood Insurance Agency, CatCoverage and Aon Edge.

Do you charge fees?

No. We don’t charge fees on any policy we write, including homeowners, condo, renters, landlord, dwelling and auto.