Clear Lake Shores occupies a small island in Clear Lake, reached by a causeway, immediately north of Kemah. It is one of the smaller incorporated cities in the area and its housing is compact, water-oriented and largely built around access to the lake.
ZIP 77565 is shared with Kemah and carries a $475,000 median with 49 days on market. Kemah is much the larger contributor, so treat that figure as the surrounding market rather than as a Clear Lake Shores valuation.
The thing that makes selling here different is not the market data. It is that on this island, water access frequently comes attached to something other than your deed, and untangling that is the first job.
The 77565 Market, Shared With Kemah
| Measure | Figure |
|---|---|
| 77565 median (shared ZIP) | $475,000 |
| Median days on market | 49 days |
| Months of inventory | 10.78 |
| Active listings, whole ZIP | 97 |
| One-year return | +1.41% |
| 10-year total return | +51.7% |
⚠️ 77565 covers Clear Lake Shores and Kemah. This is a very small city contributing few transactions, so the median describes the neighborhood rather than the island.
Source: HouseCanary ZIP-level market data, July 2026. Last verified 27 July 2026.
What Actually Decides a Clear Lake Shores Sale
What conveys with the property. Boat slips, marina berths and shared dock rights around here can be held as a separate interest, a license, a marina agreement or an association allocation rather than as part of the land. A buyer who assumes a slip is included, and discovers at title review that it is not, walks away. Establish exactly what you own before you market it.
Compact lots. Island lots are small by suburban standards, which limits extension, parking and outbuildings. Buyers moving from mainland subdivisions notice immediately, so being straightforward about it in the listing saves wasted viewings.
Very few transactions. A city this size produces a handful of sales in a year. That gives an appraiser working a financed purchase almost nothing to reason from, and a conservative valuation ends a contract weeks in.
Lake exposure and insurance. Windstorm and flood premiums apply as they do across the bay area, and an elevation certificate turns an estimate into a firm quote.
The circumstances that bring island owners to us are estates and owners moving away from the water.
We buy throughout Clear Lake Shores, including Clear Lake Shores, Cedar Road, Jarboe Bayou side, South Shore borders, Kemah edge, Clear Lake frontage, Marina district and Causeway approach.
Sorting Out the Boat Slip Before You Market
This is the specific thing that goes wrong on this island, and it goes wrong late, which is what makes it expensive.
Why it is confusing. Water access here has been arranged in different ways over decades. Some slips are part of the property. Some are a separate deeded interest that happens to have been owned by the same person. Some are licenses or leases from a marina that do not automatically transfer. Some are an allocation through an association with its own rules on assignment.
How it surfaces. Usually at title review, three or four weeks into a contract, when the buyer's title company examines what is actually being conveyed and finds the slip is not in the legal description. The buyer, who priced the house on the assumption of water access, either renegotiates hard or withdraws.
What to do. Before you list, pull your deed and read the legal description. If a slip is not in it, find the document that governs it, whether that is a marina agreement, an association record or a separate deed, and establish in writing whether and how it transfers. A title company can tell you in an afternoon what you actually own.
Doing this first lets you market accurately, price accurately, and avoid discovering the answer in front of a buyer.
Slip clearly conveys and the house is presentable: list it, the surrounding market moves in 49 days. Slip status unclear, or an estate where nobody knows what was bought: sort the documents before marketing, whoever you sell to.
Selling in a City With Almost No Comparable Sales
Clear Lake Shores is small enough that in any given year the number of houses sold can be counted without difficulty. That has a direct effect on financed sales.
An appraiser needs recent, nearby, similar sales. On an island with few transactions and considerable variation in what water access each property carries, genuine comparables may not exist. The appraiser then reaches across the causeway into Kemah, where the housing is different, or back further in time than is really useful.
Conservative valuations follow, and a short appraisal on a financed contract means the buyer must cover the gap in cash or withdraw.
There is a second effect that works in your favor. Scarcity is real here. A buyer who specifically wants this island has very few options, and that supports price in a way the ZIP median does not show. The difficulty is realizing that value through a financed sale, where the appraiser is not permitted to price scarcity.
That gap, between what a buyer will pay and what an appraiser will support, is one of the more common reasons a sale here fails. A cash purchase removes it, at the cost of the premium a determined buyer might have paid.
