138 Serene St Spring Branch, TX $ 2,690,000
138 Serene St
$ 2,690,000
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138 Serene St

Spring Branch, TX, 78070
$ 2,690,000
Bedrooms4 Baths4.1 Sq 5,338

Monthly Estimate*

$ 16,782

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Single Family Home for sale in Spring Branch, TX

for $2,690,000 with 4 bedrooms and 4 full baths, 1 half bath. This 5,338 square foot home was built in 2007 on a lot size of 10.03.

A rare opportunity to own two contiguous parcels in The Peninsula at Mystic Shores — 144 Serene (~6 acres with residence) and 138 Serene (~4 acres) — delivering ~10 acres and approximately 1,200+ linear feet of Canyon Lake shoreline spanning the main shore and cove (buyer to verify). Together, the property offers unmatched privacy, water access, and lifestyle, with a private on-site boat launch/ramp. The main residence showcases soaring 24-ft beamed ceilings, an open layout filled with natural light, and wall-to-wall windows framing panoramic lake views. The chef’s kitchen with double ovens and custom cabinetry flows to casual and formal dining and expansive outdoor living with a kitchen and fireplace. The primary retreat offers a stone-clad fireplace, spa bath, and water panoramas. Two main-level offices, plus upstairs media and game rooms with wet bar, ensure year-round enjoyment. Outdoors, an infinity-edge pool with rock waterfalls anchors the setting, with a gently sloping lawn to the water’s edge. An attached four-car garage includes a covered boat bay and workshop. A private irrigation well and high-speed internet provide modern convenience. Adding the adjacent 4-acre tract expands your usable shoreline, increases privacy, and opens possibilities for future amenities or guest quarters. Ownership in Mystic Shores includes a 26-acre lake park with resort pool, tennis & pickleball, sand volleyball, trails, and more.

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Single Family Active

Price

$ 2,690,000

Bedrooms

4

Full Bath

4

Half Bath

1

Property Type

Single Family

Taxes

$ 30,741

Style

Single Family Residence

Lot Size

10.03

Year Built

2007

Town/City

Spring Branch

County/Region

Comal

MLS | Web ID

5929912

Features
General
Living Area 5338
Sewer Aerobic Septic Septic Tank
Heating Central Electric
Cooling Central Air
Utilities Electricity Available Phone Available Sewer Connected Water Connected
Roof Concrete Tile
Appliances Built-In Oven(s) Cooktop Dishwasher Disposal Microwave Double Oven Refrigerator
HOA Fee 50
Garage Spaces 4
Association Fee Includes Common Area Maintenance Security
Patio/Porch Features Covered Patio Porch Rear Porch
Pool Features In Ground Infinity
Security Features Smoke Detector(s)
Construction Materials Stucco
Year Built 2007
View Hill Country Lake Panoramic Pool Skyline Water
Levels Two
Property Subtype Single Family Residence
Tax Year 2025
Waterfront Features Lake Front Waterfront
Community Features Common Grounds Controlled Access Fishing Gated Lake Picnic Area
Accessibility None
Assoc Fee Paid Per Monthly
County Comal
New Construction N
Property Type Residential
HOA Y
Energy Efficient None
Subdivision Name Peninsula Mystic Shores 2
Facing Direction North
Green Sustainability None
Other Structures Garage(s)
Full Baths 4
Status Active
Directions From Highway 306 head south on Mystic Parkway approximately 2.5 miles until you reach the gate for the Peninsula at Mystic Shores. Take the first left after the gate on to Serene Street and continue
High School Canyon Lake
City Spring Branch
Body of Water Canyon Lake
Disclosures Seller Disclosure Seller Provided Survey Available
Association Name Peninsula at Mystic Shores
MLS Area CM
Lot Size Square Feet 436906.8
Elementary School Rebecca Creek
Tax Annual Amount 8199.74
Middle/Junior High School Mountain Valley Middle
Property Condition Updated/Remodeled
Additional Parcels Y/N Y
Virtual Tour https://144serenestreet.mls.tours/u https://canyonlakeserenity.com/
Standard Status Active
Year Built Source Public Records
Tax Assessed Value 2220716
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Interior
Interior Amenities Breakfast Bar Built-in Features Ceiling Fan(s) Ceiling-High Double Vanity Eat-in Kitchen Kitchen Island Multiple Living Areas Primary Bedroom on Main Walk-In Closet(s) Wet Bar
Flooring Tile Wood
Total Fireplaces 3
Fireplace Features Bedroom Living Room Outside
Window Features Double Pane Windows
Half Baths 1
Total Bedrooms 4
Main Level Bedrooms 3
Total Baths 5
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Exterior
Exterior Amenities Balcony Barbecue Boat Ramp Restricted Access
Fencing None
Parking Features Boat Circular Driveway Garage Garage Door Opener Garage Faces Side RV Access/Parking
Lot Features Cul-De-Sac Front Yard Gentle Sloping Landscaped Rock Outcropping Sprinkler - Automatic Many Trees Views
Water Source Private Well
Total Parking 6
Foundation Details Slab
Lot Size Acres 10.03
Waterfront Y/N Y
Covered Spaces 4
Horse Y/N N
Horse Amenities None
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Internal Only
Street Number 1 138
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* Excluded Features
List By
Monica Fabbio

Listing Agent

Christie's Int'l Real Estate

Broker

mfabbiohomes@gmail.com

Email

Affordability Calculator

$19,344
Per Month
87%
13%
0%
Monthly Principal & Interest
$16,782
Monthly Property Taxes
$2,562
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4360474 Elementary School
4360134 Middle School
Canyon Lake High School High School
Pricing History
DatePricePrice ChangeDescription
11/13/2025$2,690,000 -3.58% Price Down
9/17/2025$2,790,000 Listed Price

Map


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138 Serene St, Spring Branch, TX, 78070 is a Single Family Home for sale at $2,690,000 with 5,338 sqft and a lot size of 10.03. 138 Serene St has 4 bedrooms, 4.1 baths, and was built in 2007. The property's zip code is 78070 which is in Spring Branch, TX