The Real Cost of Owning on the Holden Beach-Ocean Isle ICW Corridor

Property Tax: County-Only for Most of This Mainland Corridor

The single biggest structural cost difference between this corridor and either neighboring barrier island is property tax. Brunswick County's own countywide ad valorem rate is 34.20 cents ($0.3420) per $100 of assessed value for fiscal year 2025 (July 2025 through June 2026), unchanged since the county's January 1, 2023 revaluation, with the next countywide revaluation scheduled for January 1, 2027. Holden Beach and Ocean Isle Beach each levy their own additional municipal property tax on top of that county rate for parcels inside their town limits. Most of this corridor's mainland parcels -- in unincorporated Supply and Bolivia specifically, where Seascape at Holden Plantation, Brick Landing Plantation, and Lockwood Folly all sit -- fall outside any town's corporate boundary, so they generally owe only the county rate, not a second municipal layer.

Varnamtown is the one real exception: as an incorporated town (since 1988), it can and does levy its own municipal property tax on top of the county rate for parcels inside its limits, though this research did not pull Varnamtown's own current adopted rate directly from the town's budget documents, and does not state a specific figure as confirmed fact -- verify directly with the Town of Varnamtown before budgeting a number for a Varnamtown-specific parcel.

Fire Protection Is a Fee, Not a Tax, in Unincorporated Brunswick County

Brunswick County funds fire departments through per-property fire fees rather than a separate fire tax line, a structure regulated under North Carolina state law (Session Law 2017-60) that caps what any individual fire department can charge. County fire-service funding documentation shows real, specific allocation figures for the fire departments serving this corridor's mainland side -- roughly $406,830 for Bolivia's department and roughly $1,266,660 for Supply's department in a recent funding cycle. That funding comes from fees charged to individual properties in each department's coverage area, so an owner in unincorporated Supply or Bolivia should expect a specific fire-fee line item on their county tax bill, separate from and in addition to the 34.20-cent county ad valorem rate -- this page did not independently confirm a current per-property dollar figure for that fee, and does not state one as fact.

Marina and HOA Dues: Real, Named Facilities, Fees Not Fully Confirmed

A meaningful share of this corridor's mainland real estate sits inside gated, marina-anchored communities rather than as stand-alone waterfront lots, and each carries its own dues structure. Seascape at Holden Plantation is a 500-acre, gated community of roughly 500 home sites with its own private marina (a dockhouse, dual boat launch, and 75 slips accommodating vessels to 55 feet), which functions as a genuinely different cost model than a stand-alone canal lot: an owner typically pays a community/POA due covering shared amenities including that marina infrastructure, rather than building and maintaining a private dock alone. Brick Landing Plantation, a gated golf-and-marina community built around its 1987 golf course on the Lockwood Folly River near the ICW, carries a similar POA-dues structure layered on top of county tax. Lockwood Folly, in Supply, adds a clubhouse, pool, tennis and pickleball courts, and a community boat ramp to its own dues package, and posted a documented median sale price of roughly $595,000 in June 2026 (up from roughly $512,750 in May 2025) at an average of about $250.65 per square foot -- real, current pricing for this specific mainland community, though this research did not independently confirm a current HOA dues dollar figure for any of these three communities, and none is stated here as fact.

Building or Owning Your Own Dock: A Confirmed, Modest Permit Fee

Unlike a gated community's shared marina, a stand-alone canal-front or marsh-front lot on this corridor typically requires its own CAMA permit to build a private dock or pier. That cost is genuinely well documented: the general CAMA permit fee for a residential dock or pier is $119 as of July 1, 2025, per the NC Division of Coastal Management's own fact sheet, though broader industry guides describe a wider $100-to-$400 range depending on the specific structure and county. The standard riparian setback rule requires the dock to sit at least 15 feet from the adjacent property lines extended out into the water, and typical processing time for a standard residential permit runs 14 to 30 days through the Division of Coastal Management's district office. That's a materially lower, more concretely sourced cost than the ongoing dredging, nourishment, and hardened-structure costs this site's sibling island pages document for oceanfront erosion management -- a private dock permit here is a one-time, several-hundred-dollar-or-less line item, not a multi-million-dollar municipal project.

Insurance: The Same Coastal Risk Pool, a Different Zone Mix

Brunswick County is one of the North Carolina coastal counties eligible for the North Carolina Insurance Underwriting Association (NCIUA), the state's wind-and-hail insurer of last resort -- the same Beach Plan eligibility that applies to Holden Beach and Ocean Isle Beach themselves, since eligibility runs by county rather than by specific geography within it. General published ranges for full NC coastal hurricane coverage run roughly $2,000 to $10,000-plus a year depending on carrier, coverage amount, and deductible structure (commonly 2-5% of coverage rather than a flat dollar figure), and industry coverage of the 2024-2026 NC coastal insurance market describes standard carriers non-renewing coastal books of business in several counties including Brunswick, tightening the conventional-market side of the stack. What's genuinely different here is the flood-zone mix: this corridor's mainland, canal, and marsh-front parcels generally map into FEMA's AE zone (storm-surge risk with reduced wave action) rather than the VE wave-action zones common on direct oceanfront lots on the two islands -- which can mean a different elevation-certificate and flood-premium calculation, though this page does not state a specific corridor-wide premium figure as confirmed fact.

What a Real Cost Comparison Would Need That This Research Does Not Have

Being direct about the gap: this research did not turn up a clean, apples-to-apples total-cost-of-ownership comparison between a stand-alone mainland canal lot, a Seascape or Brick Landing home with community-marina access, and a Lockwood Folly property with its golf/clubhouse amenity package. Each carries a genuinely different mix of county tax, fire fee, HOA/POA dues, and insurance, and this page has laid out each documented piece rather than manufacturing a single blended number that would understate the real variation between them. A buyer comparing two specific properties in this corridor should request the actual current tax bill, HOA/POA dues statement, and insurance quote for each address side by side, rather than relying on a townwide or communitywide average.