How Much Does Builders Risk Insurance Cost for a Residential Construction Project?

TL;DR: Builders risk insurance for a residential project commonly costs roughly 0.1% to 0.5% of the completed structure value, so a $400,000 home often quotes between about $500 and $2,500 for a short-term policy. Actual pricing depends on project value, build duration, location, construction type, and the coverage limits you choose.

Builders risk insurance, also called course of construction coverage, protects a home under construction from fire, wind, theft, vandalism, and similar losses until the project is complete. Premiums vary widely between carriers and projects, so most owners want a realistic cost range before they set a budget.

Understanding how insurers rate the risk makes that range easier to judge, which is why Homewell Insurance reviews each residential client's plans, timeline, and site before quoting a project.

What Factors Determine the Cost of Builders Risk Insurance for a Residential Project?

Pricing depends mainly on the completed value of the structure, the policy term length, the project's location, construction type and materials, and the coverage limits and deductibles selected. An insurer's claims experience with similar residential builds, plus the builder's track record, also shapes the final premium.

• Completed value: a higher replacement cost means a higher policy limit and a higher premium.
• Term length: three, six, and twelve-month policies generally cost progressively more.
• Location: coastal wind zones, wildfire areas, hail belts, and high-crime sites all raise rates.
• Construction type: frame homes usually cost more to insure than masonry, steel, or concrete.
• Add-ons: soft costs, flood, earthquake, scaffolding, and site materials coverage each add premium.

Two projects with identical completed values can produce very different premiums. A twelve-month frame build in a coastal wind zone with soft-cost coverage costs considerably more than a six-month masonry build inland on a basic policy, because the underlying loss probability genuinely differs.

Deductibles matter too. Choosing a higher deductible lowers the premium but increases what the owner pays out of pocket after a loss, so the right balance depends on how much retained risk the project can comfortably absorb. Reporting scope and timeline accurately at application also prevents mid-project endorsements that raise the final cost.

Is Builders Risk Insurance Priced as a Flat Fee or a Percentage of Project Value?

Builders risk is most often priced as a rate per $100 of completed value, then adjusted for term length and project specifics. Insurers also apply minimum premiums, so small projects may pay the minimum rather than a proportional amount, and some carriers offer blanket rates for builders insuring several projects.

Pricing method	How it works	Commonly used for
Rate per $100 of completed value	The rate is multiplied by project value to produce the premium	Most single-project residential builds
Minimum premium	A set floor applies regardless of the calculated rate	Small renovations, ADUs, minor remodels
Blanket or annual builder's program	One policy covers multiple projects or a rolling schedule	Production and tract homebuilders
Reporting form	The builder reports values periodically and pays premium on actual exposure	Builders with steady project volume

Because the rate is applied to completed value, identical rates produce very different premiums. A rate that yields an affordable figure on a modest addition could generate a much larger premium on a custom home, which is why project value is the single biggest cost driver in residential builders risk pricing.

Term length interacts with the rate. Many insurers charge a short-term rate for the first three to six months and add an extension premium if the build runs long. If permits, weather, or supply problems cause delays, notify the carrier before the policy expires.

How Much Does Builders Risk Insurance Cost for Different Types of Residential Projects?

Costs scale with size and complexity. Small renovations often quote in the low hundreds to roughly $1,000, a new custom single-family home commonly runs about $1,000 to $3,000 or more, and multi-unit residential projects often exceed that because their completed values and exposures are higher. Exact quotes vary by carrier and region.

Residential project type	Typical completed value	Illustrative premium range
Interior renovation or remodel	$50,000–$250,000	Minimum premium to a few hundred dollars
ADU or garage conversion	$100,000–$350,000	Several hundred dollars
New custom single-family home	$300,000–$1,000,000+	$1,000–$3,000+
Multi-unit residential (duplex to small apartment)	$1,000,000+	Several thousand dollars or more

These ranges are illustrative rather than quotes. Coastal exposure, wildfire zones, and high-crime locations can push premiums above the figures shown, while inland sites with low natural-catastrophe exposure often land at the lower end. The only reliable number is a carrier quote based on your specific plans.

When comparing proposals, ask each carrier for its rate per $100 of completed value. That makes quotes directly comparable and shows whether a lower premium reflects a better rate or simply a smaller coverage limit. Underinsuring to reduce premium can leave a shortfall after a loss.

Who Pays for Builders Risk Insurance on a Residential Project — the Builder or the Owner?

Usually one party carries the policy, and the construction contract determines which. Many residential agreements require the general contractor to maintain builders risk and name the owner as an additional insured; on owner-builder projects, the owner buys it directly. Lenders on construction loans typically require proof of coverage before releasing draws.

• Owner-builder: the homeowner buys the policy directly.
• General contractor: many GCs carry a blanket policy covering multiple jobs.
• Contract: it should state who insures, who is an additional insured, and who pays the deductible.
• Lenders: construction loans require a certificate of insurance before draws.

Paying twice is an avoidable expense. If the contractor's blanket policy already covers the project, an owner-bought policy duplicates premium for the same exposure. Before buying, confirm in writing who insures the structure, who is named as an additional insured, and who absorbs the deductible after a loss.

The reverse mistake costs more. When the contract is silent, each party may assume the other arranged coverage, and a fire or theft loss lands on the owner. Whoever holds the policy should also deliver a certificate of insurance to the lender before each draw is released.

How Can You Reduce a Builders Risk Premium Without Creating Coverage Gaps?

The biggest savings come from insuring the correct value, matching the term to the real schedule, choosing a deductible the project can absorb, and skipping endorsements you will not use. Site security and blanket programs for repeat builders also lower rates without removing protection the lender requires.

• Insure true completed value: overstating raises premium; understating invites a claim shortfall.
• Match the term: buy the months the schedule needs, not a default twelve.
• Raise the deductible: a higher retention lowers premium if the budget can cover a claim.
• Trim endorsements: keep what the lender requires; drop the rest.
• Secure the site: fencing, lighting, and locked material storage reduce theft losses.

Cheaper is not automatically better. Stripping soft costs, flood, or ordinance-and-law coverage lowers premium but can leave a gap when a loss triggers code upgrades or delays. Compare each quote against the lender's requirements and the site's realistic worst case, not just the lowest number.

Accurate scheduling helps too. Reporting the true timeline rather than padding it often produces a better rate, because the carrier is not pricing months of exposure that never occur. Builders completing several homes a year should ask about a blanket program that spreads one premium across multiple projects.

What Happens If Construction Runs Past the Builders Risk Policy Expiration Date?

Coverage stops on the expiration date, so an unfinished home becomes uninsured until the policy is extended. Most carriers will grant a short extension for additional premium, but the request must be made before the policy lapses — after a loss, a retroactive extension is not available.

• Request in writing: extensions are granted before expiration, usually at added premium.
• After a lapse: a new policy may require inspection and exclude work already in place.
• Stalled projects: unoccupied-property rules can restrict coverage after a set number of idle days.
• Lender paperwork: update the certificate of insurance so draws continue.

Extensions typically cost a percentage of the original premium, and a short extension is far cheaper than a lapse. If work has stopped entirely, tell the carrier, because unoccupied structures are treated differently and some policies restrict coverage after a set number of idle days.

Extensions also affect paperwork. The lender's certificate and the owner's additional insured status both end with the policy, so document the extension and deliver it to the bank before the next draw. Tracking expiration dates against the construction schedule prevents most of these problems.

Key Takeaways

• Residential builders risk insurance commonly costs about 0.1% to 0.5% of completed value, so a $400,000 home often quotes between roughly $500 and $2,500.
• Premiums are usually calculated as a rate per $100 of completed value, then adjusted for term length, location, construction type, and coverage limits.
• Small renovations often hit a carrier's minimum premium, while custom homes and multi-unit residential buildings quote substantially higher.
• The construction contract decides whether the owner or the general contractor carries the policy — buying both usually wastes premium.
• Reporting accurate values and a realistic schedule avoids mid-project endorsements, extra premium, and coverage lapses.
• If construction runs past the expiration date, request an extension in writing before the policy lapses; coverage does not continue automatically.

This content reflects general insurance guidance as of September 18, 2026 and is not a quote or legal advice. Rates, forms, and eligibility vary by carrier and state. Confirm the specifics of your project — completed value, term, location, and required endorsements — with a licensed insurance agent before you buy coverage.