If you are looking for the most trusted real estate agent in Jamaica Beach, the useful question is not who has the most five star reviews. It is who will admit how little anyone actually knows about value here in any given month. Jamaica Beach is a city of roughly 1,078 people with about 1,236 single family properties on it, and in June 2026 HAR recorded three single family sales for the entire town. Three. Every confident pricing opinion you are about to hear is built on a sample that small, and the agent who tells you otherwise is the one to be careful with.

What trust actually looks like in a market that produces a handful of sales a month

In League City an agent can lean on volume. Here the honest work is different, and there are specific things you can watch for.

Trust testWhat a trustworthy answer sounds likeRed flag
"What is my house worth?"A range, with the comparable sales named and datedA single number, delivered fast
Comparable selectionExplains why a West Bay canal home is not comparable to a beach side stilt homePulls anything inside 77554
Days on marketCites the actual figure and admits it is highSays the market is "moving"
InsuranceSends you to get real windstorm and flood quotes before you writeCalls it "manageable"
Short term rentalSays Jamaica Beach is its own city with its own rules and tells you to call city hallQuotes the City of Galveston ordinance

That last row is the most common error outside agents make on this island. Jamaica Beach incorporated on May 12, 1975 and is a separate municipality from the City of Galveston. Galveston's short term rental ordinance does not automatically carry here, and neither do its fees or its penalties. If rental income is part of your math, get the current rules in writing from the City of Jamaica Beach before the option period ends, rather than assuming the island has one rulebook.

Three sources, three different Jamaica Beach markets

Here is what the published data actually says as of early September 2026. These figures cannot all describe the same thing, and understanding why is more useful than picking a favorite.

SourcePeriodPrice figureDays on marketActivity
HAR, Jamaica Beach single familyJune 2026$670,000 median sold, $736,667 average1433 transactions
Movoto, Jamaica BeachAugust 2026$529,950 median sale, $422 per sq ft122, flat year over year86 active, 66 reported sold
HAR neighborhood recordcurrent$503,545 median market valuenot published84 active, 7 for rent
FRED, Galveston County overallAugust 2026not published74up from 72 in July, 68 in June

Divide 84 active listings by three sales a month and you get more than two years of standing inventory. Divide 86 by 66 and you get under a month and a half. Those describe opposite markets, and the gap is each source counting a different property set over a different window. What survives all of them is the part that matters: days on market here sit at roughly four months against a county figure of 74, and the county figure has risen every month since May. Plan for a long marketing period and price into it from day one, not after two price cuts.

What the appraisal record says, and what it means for your protest

The county's own numbers are steadier than the sales data because they cover all 1,236 properties rather than the handful that traded.

Jamaica Beach, county and HAR recordFigure
Single family properties1,236
Median size1,280 sq ft on a 6,960 sq ft lot
Median year built1982
Median appraised value$490,865
Median market value$503,545
Appraised per sq ft$383.49
Sold per sq ft$395.63
Value range$291,000 to $848,000
School districtGalveston ISD

Sold pricing running slightly above appraised pricing tells you something practical: the Galveston Central Appraisal District is close to market here, which means a blanket value protest is a weaker play in Jamaica Beach than it is in neighborhoods where appraised values have run ahead of sales. Your leverage in a protest is usually condition and elevation, not a broad market argument. Photograph what is actually wrong with the structure and bring it.

The tax picture is the genuine surprise of this town.

Taxing unitRate per $100
Galveston ISD0.8415%
Galveston County0.3227%
Jamaica Beach City0.1474%
Galveston College0.1194%
County Road and Flood0.0030%
Combinedabout 1.4340%

That is well under two percent, and materially lower than mainland neighborhoods sitting on a municipal utility district. Jamaica Beach residents pay a city levy and still land below plenty of unincorporated mainland addresses, because there is no MUD line here. Do not let that lull you. The money the tax roll saves you, coastal windstorm and flood coverage will ask for, and those premiums vary enormously by elevation, construction date and certification. Get live quotes on the specific address before you fall in love with the rate.

The local facts that separate a Jamaica Beach specialist from a visitor

The town was platted in 1957 by Johnny Goyen and Earl Galceran of the Jamaica Corporation as a 2,000 lot marina based resort development aimed at Houston buyers, on FM 3005 along West Bay just south of Galveston Island State Park. As late as 1988 it had no commercial businesses at all. That history is not trivia. It explains why the canal network and lot pattern look the way they do, why the median home dates to 1982, and why the housing stock is small at 1,280 square feet. It also explains the spread from $291,000 to $848,000 inside one small town, which tracks canal frontage, elevation and how much post storm rebuilding a block has absorbed.

The tradeoffs of buying or selling here

OptionUpsideTrade-Off
Buying in Jamaica Beach rather than the City of GalvestonA combined tax rate near 1.43% and a small, self governing town with its own police and servicesA far thinner resale market, so your exit depends on timing more than on price
Selling into a four month days on market figureSerious buyers only, and almost no lowball traffic wasting your weekendsCarrying costs and insurance keep running the whole time, so mispricing is expensive
A 1982 median vintage homeEstablished elevation, mature location, and a lower entry price than new island constructionOlder construction dates affect windstorm certification and therefore premiums

Why The Mandie McMillan Team, a lifelong advisor rather than a one transaction agent

Mandie McMillan has spent all 50 of her years in Galveston County, born and raised in La Marque, and has led this team through 26 years in the business. That matters most in a place like Jamaica Beach, where the difference between a good sale and a nine month listing is knowing which specific block floods, which builder rebuilt after which storm, and which comparable sale was a family transfer rather than a market trade.

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 six producing agents. That is roughly 12.5 sides and $3.7 million per agent, which is depth over headcount, and it means you get an experienced agent who knows your file rather than a number in a large funnel. Mandie is a RE/MAX International Hall of Fame inductee and a repeat RE/MAX Chairman's Club and Platinum Club honoree, holds the SRS and CLHS designations, and served as 2017 President of the Bay Area chapter of the Women's Council of Realtors and 2018 Texas District Vice President.

We would rather give you an honest range than a flattering number. Call The Mandie McMillan Team at RE/MAX Coastal and we will walk the comparable sales with you, line by line, including the ones that argue against us.