Anyone looking for the best land and acreage realtor in San Leon, TX is about to learn that this market does not price land the way land markets usually work. San Leon covers 5.2 square miles on a bay-facing peninsula in Galveston County, 4.9 of them land, with about 6,135 residents and no city government at all. It is an unincorporated census-designated place that voted down incorporation twice, in 1985 and 1986. That one fact changes almost everything about how a parcel here is bought, valued and built on.
Why San Leon land is priced by the foot, not by the acre
Look at what is actually listed and the inversion jumps out. San Leon carries roughly 65 vacant lot and land listings, from $19,950 to $600,000, most under a quarter acre. A separate marketplace counts 47 listings spanning 0.07 to 5 acres.
| Representative parcel | Size | Price | Implied per acre |
|---|---|---|---|
| 000 9th Street | 0.29 acre | $110,000 | About $379,000 |
| 2726 Avenue D | 0.52 acre | $168,000 | About $323,000 |
| 2222 E Bayshore Drive | 0.95 acre | $300,000 | About $316,000 |
| 2360 Avenue L | 5 acres | $600,000 | About $120,000 |
| Entry lots on 10th Street | Small residential | $19,950 | Not a per-acre story |
Read the right-hand column. The five-acre tract prices at roughly a third of the per-acre rate of the quarter-acre lot. In Santa Fe or the Alvin country edge, bigger acreage earns a premium for privacy and use. In San Leon the premium attaches to water proximity and elevation, and acreage away from the bay is discounted rather than rewarded. Anyone quoting you a San Leon price per acre without first asking where the parcel sits relative to the shoreline is quoting a number that means nothing. One caution on the data itself: aggregators disagree sharply on the acreage of the largest listed tract here, so treat any oversized claim as unverified until the survey and appraisal district record are in hand.
The four layers that actually control what you can build
Because San Leon is unincorporated, there is no city zoning ordinance, no city building department and no city levy line on the tax roll. Buyers hear "no zoning" and assume no rules. That is the most expensive misunderstanding in this market.
| Layer | Who controls it | What it can stop |
|---|---|---|
| Recorded deed restrictions | The original plat and any amendments | Use, structure type, setbacks, rentals |
| Galveston County floodplain | County engineering, permit required | Slab height, fill, elevation certificate |
| San Leon MUD | The district, created 1965, operating since 1973 | Whether you connect to water and sewer or go on-site |
| Shoreline erosion | Physics | Buildable area on bay-facing parcels over time |
Deed restrictions are the binding layer precisely because the city layer does not exist. Pull the recorded restrictions for your specific plat, not for San Leon generally, and read them before the option period expires. Two parcels three streets apart can sit under entirely different instruments.
San Leon MUD, governed by a five-member elected board, is empowered to provide water, sanitary sewer, storm drainage, irrigation and solid waste collection. It does not publish a map of which parcels are connected, so a land buyer's first call, before the survey and before the soil work, should be to the district at 281-339-1586 to ask whether the specific address has service. The difference between a connection and an on-site septic system is a five-figure swing in your build budget.
The tax line nobody reads until the first bill
The district does publish its adopted rates, and they are the most important numbers in a San Leon land file. For 2025 the rate is $0.4729 per $100 of assessed value, split into $0.1941 for maintenance and operations and $0.2788 for debt service. It was $0.4629 in 2024 and $0.4710 in 2023.
| Taxing unit | Rate | Note |
|---|---|---|
| Dickinson ISD | 1.1420% | Largest single line |
| San Leon MUD | 0.4729% | 0.2788 of it is debt service |
| Galveston County | 0.3227% | Countywide |
| Mainland College District | 0.2638% | Countywide |
| County Road and Flood | 0.0030% | Countywide |
| City levy | None | San Leon is unincorporated |
| Build-up total | About 2.2044% | Confirm per parcel with Galveston CAD |
Look at the debt service split. Roughly 59% of what the MUD collects retires bonds rather than running the system, and a vacant tract owes that debt rate whether or not you ever tap a water line. That is the carrying cost people forget when they buy land to build on "someday," and it belongs in your acquisition math before you write the offer. The offset is the missing city line: an unincorporated parcel skips a municipal levy running 0.37% or more just across the Dickinson city limit, which is most of why San Leon's stack lands below Dickinson's despite carrying a MUD.
Erosion is not a theoretical concern. Avenue A was built along the north shore and by 1997 was no longer contiguous because of shoreline loss. On a bay-facing tract, the survey you want is a current one, not the one in the seller's file.
What the surrounding market tells a land buyer
San Leon's improved-home market is genuinely thin, and that is useful information when you are pricing dirt.
| Metric | Figure | Period |
|---|---|---|
| Single family median sold | $277,500 | July 2026 |
| Single family transactions | 4 | July 2026 |
| Single family days on market | 133 | July 2026 |
| Active listings | 48 | August 2026 |
| Median active list price | $347,450 | August 2026 |
| Galveston County median days on market | 72 | July 2026 |
Four closed sales in a month against 48 active listings, at 133 days on market, is a lot of standing inventory relative to absorption. For a land buyer that is not bad news: exit comps for whatever you build get set by a small number of sales, so build quality and elevation carry disproportionate weight. For a seller it means patience and a defensible price, because there is no volume to hide a stretch listing behind.
Schools run through Dickinson ISD, which holds a B from TEA for 2024 to 2025. San Leon Elementary serves kindergarten through fourth, Barber Middle serves fifth and sixth at a B, McAdams Junior High serves seventh and eighth at a C, and Dickinson High School serves ninth through twelfth. Confirm campus assignment by address.
Tradeoffs on a San Leon land buy
| Option | Upside | Trade-Off |
|---|---|---|
| A larger interior tract | Lowest cost per acre in the market, room for outbuildings, workshop or barn use | Furthest from the water premium that drives resale here, likelier septic and well questions |
| A small bay-adjacent lot | Captures the elevation and view premium that actually moves San Leon values | Highest cost per acre by a wide margin, and erosion and floodplain scrutiny come with it |
| An entry lot in the $20,000 to $80,000 band | Genuinely low entry cost for a first land purchase in Galveston County | Deed restrictions and utility availability are the whole story, and they vary block by block |
There is real character behind the dirt, and it matters to resale. Eagle Point, on the peninsula's tip, was a Jean Lafitte stronghold in the early 1800s. The railroad arrived in 1893, the 1900 and 1915 hurricanes reset the town, and oyster and shrimp fishing still anchor the economy, including a Vietnamese fishing community of roughly 150 to 200 families. San Leon is a working coastal place, not a resort, and the buyers who want that are the ones who pay for it.
Why the Mandie McMillan Team
Mandie McMillan was born in La Marque in 1976 and has spent 50 years in Galveston County. She has been licensed since 2000, which is 26 years of reading plats, deed restrictions and appraisal rolls on this side of the bay. She is a RE/MAX International Hall of Fame inductee and a repeat RE/MAX Chairman's Club and Platinum Club honoree, and she served as 2017 President of the Bay Area chapter of the Women's Council of Realtors and 2018 Texas District Vice President.
In 2025 the team closed 75 sides and $22,127,458 in volume across six producing agents, with Mandie personally closing 30 sides and $11,676,748. Roughly 12.5 closings and $3.7 million each is why a land file here gets worked by someone who reads the restrictions rather than forwarding them.
Client for Life is the standard we hold. A land purchase is a multi-year project running through a surveyor, the county floodplain office, a utility district and eventually a builder, and you should have one advisor across all of it. If you are buying or selling land in San Leon, contact The Mandie McMillan Team at RE/MAX Coastal.
