For sale

$745,000

11538 Sebastians Run, Montgomery, TX 77316

4beds

4,149sqft

$5,275/mo

Get pre-qualified

Single Family Residence

Built in 2011

1 Acres Lot

$733,600 Zestimate^®

$180/sqft

$79/mo HOA

What's special

Sparkling saltwater poolSophisticated designDesigner detailsWood flooringSingle-story luxuryFormal dining roomOversized three-car garage

Single-story luxury in the gated golf community of Grand Lake Estates. Set on a beautifully wooded acre, this custom Mediterranean estate offers privacy, sophisticated design & resort-style living. All four bedrooms & three full baths are downstairs, providing the ease of true one-story living, while an upstairs game room & half bath offer flexible bonus space. Soaring ceilings, wood flooring, stone accents & designer details create an elegant atmosphere. The gourmet kitchen features a large island, granite counters, gas cooktop & double ovens. The primary suite overlooks the pool & gardens, while a study, formal dining room & sunroom add versatility. Outside, mature trees & lush landscaping surround a sparkling saltwater pool, spa & dramatic rock water feature & private rear setting backing to the reserve. An oversized three-car garage adds convenience. The two neighboring 1-acre lots are also available, offering the rare opportunity to create a 3-acre private estate.

5 hours

88

11

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 4
Bathrooms: 4
Full bathrooms: 3
1/2 bathrooms: 1

Rooms

Room types: Family Room, Utility Room

Primary bedroom

Level: First
Area: 260
Dimensions: 20x13

Bedroom

Level: First
Area: 165
Dimensions: 15x11

Bedroom

Level: First
Area: 165
Dimensions: 15x11

Bedroom

Level: First
Area: 165
Dimensions: 15x11

Other

Level: First
Area: 168
Dimensions: 14x12

Dining room

Level: First
Area: 154
Dimensions: 14x11

Family room

Level: First
Area: 270
Dimensions: 18x15

Game room

Level: Second
Area: 400
Dimensions: 25x16

Kitchen

Level: First
Area: 240
Dimensions: 16x15

Sunroom

Level: First
Area: 156
Dimensions: 13x12

Heating

Natural Gas

Cooling

Ceiling Fan(s), Electric

Appliances

Included: Disposal, Water Softener, Gas Oven, Microwave, Gas Range, Dishwasher
Laundry: Electric Dryer Hookup, Gas Dryer Hookup, Washer Hookup

Features

Crown Molding, Formal Entry/Foyer, High Ceilings, Vaulted Ceiling, All Bedrooms Down, En-Suite Bath, Primary Bed - 1st Floor, Sitting Area, Walk-In Closet(s)
Flooring: Carpet, Tile, Wood
Doors: Insulated Doors
Windows: Window Coverings
Number of fireplaces: 1
Fireplace features: Gas, Gas Log

Interior area

Total structure area: 4,149
Total interior livable area: 4,149 sqft

Property

Parking

Total spaces: 3
Parking features: Electric Gate, Attached, Oversized, Additional Parking, Garage Door Opener, Double-Wide Driveway
Attached garage spaces: 3

Features

Stories: 1
Patio & porch: Covered
Exterior features: Back Green Space, Sprinkler System
Has private pool: Yes
Pool features: Gunite, Heated, In Ground, Pool/Spa Combo, Salt Water
Has spa: Yes
Spa features: Spa/Hot Tub
Fencing: Partial

Lot

Size: 1 Acres
Features: Back Yard, Near Golf Course, Subdivided, Wooded, 1 Up to 2 Acres

Details

Parcel number: 307370

Construction

Type & style

Home type: SingleFamily
Architectural style: Mediterranean,Traditional
Property subtype: Single Family Residence

Materials

Stone, Stucco
Foundation: Slab
Roof: Tile

Condition

New construction: No
Year built: 2011

Utilities & green energy

Sewer: Septic Tank
Water: Public

Green energy

Energy efficient items: Thermostat

Community & HOA

Community

Subdivision: Grand Lake Estates 09

HOA

Has HOA: Yes
Amenities included: Controlled Access, Golf Course, Park, Picnic Area, Playground, Stocked Pond
HOA fee: $950 annually

Location

Region: Montgomery

Financial & listing details

Price per square foot: $180/sqft
Tax assessed value: $916,062
Annual tax amount: $11,792
Date on market: 8/15/2026
Listing terms: Cash,Conventional,FHA,VA Loan
Road surface type: Concrete

Estimated market value

$733,600

$697,000 - $770,000

$4,632/mo

Price history

Date	Event	Price
8/15/2026	Listed for sale	$745,000-0.7%$180/sqft
Source: HAR #44546014 Report a problem
8/3/2026	Listing removed	$750,000$181/sqft
Source: HAR #42864359 Report a problem
5/31/2026	Listed for sale	$750,000-16.6%$181/sqft
Source: HAR #42864359 Report a problem
5/31/2026	Listing removed	$899,000$217/sqft
Source: HAR #44183603 Report a problem
5/13/2026	Price change	$899,000-3.3%$217/sqft
Source: HAR #44183603 Report a problem
4/15/2026	Price change	$930,000-5.1%$224/sqft
Source: HAR #44183603 Report a problem
4/10/2026	Listed for sale	$980,000+5085.2%$236/sqft
Source: HAR #44183603 Report a problem
3/16/2011	Listing removed	$18,900$5/sqft
Source: God's Country Realty, Inc. #31722832 Report a problem
2/5/2011	Price change	$18,900-7.7%$5/sqft
Source: God's Country Realty, Inc. #31722832 Report a problem
1/15/2011	Price change	$20,475-9%$5/sqft
Source: God's Country Realty, Inc. #31722832 Report a problem
12/24/2010	Listed for sale	$22,500$5/sqft
Source: God's Country Realty, Inc. #31722832 Report a problem
10/15/2010	Sold	--
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$9,645 +6.1%	$729,957 +10%
2024	$9,089 +15%	$663,597 +10%
2023	$7,905	$603,270 +1.2%
2022	--	$596,050 +19.6%
2021	$8,320 +7.9%	$498,570 +10%
2020	$7,714 -2.1%	$453,440 +0.2%
2019	$7,878 -4.4%	$452,660 -0.2%
2018	$8,237 -0.3%	$453,640
2017	$8,261 +56.9%	$453,640 +61.9%
2016	$5,267 +8.5%	$280,270 +10%
2015	$4,856	$254,790
2014	$4,856	$254,790 +2.5%
2013	--	$248,640 +35.9%
2012	--	$183,020 +357.6%
2011	--	$40,000
2010	--	$40,000
2009	--	$40,000
2008	--	$40,000
2007	--	$40,000
2006	--	$40,000 +100%
2005	--	$20,000
2004	--	$20,000
2003	--	$20,000