Ask who the most trusted real estate agent in Kemah is and you will get names with five-star averages next to them. That is a rating, not trust. Kemah is a small, wonderfully strange market wrapped around a boardwalk, a channel, and a set of marinas, and the ways a transaction goes wrong here are specific: windstorm coverage, flood elevation, slip and dock rights, deed restrictions on rentals, and appraisals in a neighborhood with too few comparable sales. Trust in Kemah means someone who has been burned by all five and knows what to check before you are under contract.

What "trusted" should actually mean when you are buying or selling in Kemah

Trust is a verification problem, not a vibe. Here is what to actually confirm about any agent before you sign a representation agreement, in Kemah or anywhere.

What to verifyWhere you verify itWhat a weak answer looks like
Active license and disciplinary historyTexas Real Estate Commission license lookup, by license number"You can just look me up," with no number offered
Transaction history in this submarketAsk for closed addresses in Kemah and adjacent waterfront, not county-wide totalsA metro-wide number that hides zero local closings
Whether reviews are transaction-verifiedPlatforms that tie a review to a closed file, not ones that accept anythingA volume of undated, unverifiable praise
Who actually answers your phoneAsk directly: the agent, a coordinator, or a call center"Someone from the team will get back to you"
Designations and educationConfirm the issuing body, not just the acronymAcronyms with no issuer named

The guidance hiding in that table: the fourth question is the most predictive. In a market where a flood certificate or a slip transfer can blow up a closing on day 25 of a 30-day contract, the difference between an agent who picks up and a routing queue is the entire outcome.

The Kemah market, and why comparable sales are the hard part

Kemah, ZIP 77565August 2026
Median single-family sale price$400,000
Median days on market, single family45
Active single-family listings104
Median townhome and condo price$341,950
Median lease price$2,698

HAR market data for August 2026; these figures move month to month, so treat them as a frame rather than a valuation. The important detail is the spread. Kemah's average single-family price runs far above its median, which is what happens when channel-front and marina-adjacent homes sit in the same ZIP as modest inland streets. Pricing off a ZIP-level median here is close to malpractice. The honest comp set for a home in Glen Cove or on the Cypress Bay side is not the comp set for a home behind the boardwalk, and an appraiser reaching into League City or Seabrook for comparables is a risk to plan for, not discover.

Geography surprises people moving in from Houston. Kemah is Galveston County, while Seabrook and El Lago just across the water are Harris County, which means different appraisal districts, taxing units, and protest calendars on homes you can see from your porch. Kemah students are served by Clear Creek ISD. And the SH 146 expansion through Kemah and Seabrook wrapped up in 2024, with elevated main lanes now carrying through traffic over the old bottleneck. If you looked at Kemah during construction and wrote it off, you looked at a different town than the one that exists now.

The factors most Kemah buyers and sellers miss

FactorWhy it matters hereThe move
Windstorm and flood are separateCoastal wind and flood coverage are priced by different logic, and both biteQuote both on the exact address during the option period
Elevation certificateTwo houses on one street can price insurance very differentlyGet the certificate up front, not after the appraisal
Deed restrictions on rentalsKemah regulates short-term rentals at the city level, and subdivisions and HOAs can prohibit them outright regardlessPull the recorded restrictions for the plat, and call the City of Kemah on current permitting
Slip, dock, and bulkhead rightsWater access can be owned, leased, assigned, or shared, and the listing photo will not say whichRead the survey, plat, and any marina agreement before option ends
Thin comp setsFew local sales means appraisal gaps are commonBuild a documented comp narrative and a rebuttal package in advance

Underneath all of that: in Kemah the option period is not a formality, it is the whole game. Two or three extra days of option, used to pull the elevation certificate, quote the insurance, and read the restrictions, will save more than any concession you negotiate later.

The tradeoffs of a Kemah address

OptionUpsideTrade-Off
Living inside the boardwalk districtWalkability, restaurants, marina access, and rare waterfront character near Clear Lake employment.Tourist traffic and event weekends come with it, and the resale buyer pool is narrower than a suburban subdivision's.
Buying just outside the tourist coreQuieter streets, easier parking, more predictable comps, often more house per dollar.You give up the walk-to-water premium that made you look at Kemah in the first place.
Townhome or condo instead of single familyLower entry price, less exterior maintenance, lock-and-leave living that suits second homes and downsizers.HOA financials and insurance assessments become your risk, and lender approval of the association can complicate financing.

Why the Mandie McMillan Team, Client for Life, not "highest rated"

Mandie McMillan has lived in this area for 50 years, born in La Marque in 1976 and in her League City home for 18 of them. That matters in Kemah because the county line, the school boundary, and the insurance picture all shift within a few miles. Local knowledge here is measured in decades, not in a relocation packet.

The proof, stated plainly. In 2025 the team closed 75 sides and $22,127,458 in production volume, with Mandie personally closing 30 sides and $11,676,748, across just 6 producing agents. Roughly 12.5 sides and $3.7 million per agent, which is the entire point: you get an experienced agent who knows your file rather than a lead handed down a phone tree. Mandie is a RE/MAX International Hall of Fame inductee and a repeat RE/MAX Chairman's Club and Platinum Club honoree, licensed since 2000, holding the SRS and CLHS designations. She served as 2017 President of the Bay Area chapter of the Women's Council of Realtors and 2018 Texas District Vice President.

We run a Rising Tide roster, meaning shared market knowledge instead of internal competition and a deeper bench behind whichever agent you work with, and a Client for Life approach aimed at being the advisor you call in ten years about a protest, a refinance, or your kid's first house.

If you are buying or selling in Kemah, contact The Mandie McMillan Team at RE/MAX Coastal. Bring us the address and we will tell you what to check first.