3520 Shellcastle Ln, Round Rock, TX 78681
OFF MARKET

3520 Shellcastle Ln
Round Rock, TX 78681

Mayfield Ranch Enclave
  • 5 Beds
  • 4 Baths
  • 3,161 sqft (on 0.26 acres)

$568,600

Trulia Estimate
as of May 25, 2026
Est. Refi. Payment $3,657/mo*
Refinance Your Home

$568,600

Trulia Estimate
as of May 25, 2026
Est. Refi. Payment $3,657/mo*
Refinance Your Home
5 Beds
4 Baths
3,161 sqft
(on 0.26 acres)

Local Information

Map showing home location
© Google
-- mins to
Commute Destination

Description

Well maintained and spacious 5 bedroom home with office and loft. Located in highly rated Round Rock Independent School District. Relax in the privacy of extended patio surrounded by beautifully landscaped backyard. Convenient to multitude of shopping, restaurants and parks.
This property is off market, which means it's not currently listed for sale or rent on Trulia. This may be different from what's available on other websites or public sources.

Home Highlights

Parking
Garage
Outdoor
Patio
A/C
Heating & Cooling
HOA
None
Price/Sqft
No Info
Listed
No Info

Home Details for 3520 Shellcastle Ln

Interior Features

Heating & Cooling
Heating: Forced AirAir ConditioningCooling System: CentralHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 2Floors: Tile, Hardwood
Interior Details
Types of Rooms: Office
Appliances & Utilities
DishwasherDisposalMicrowave
Fireplace & Spa
Fireplace

Exterior Features

Exterior Home Features
Roof: CompositionExterior: OtherFoundation Type: SlabPatio
Parking & Garage
GarageParking Spaces: 3Parking: Garage Attached

Property Information

Year Built
Year Built: 2006Year Updated: 2007
Property Type / Style
Property Type: Single Family HomeArchitecture: Other

Lot Information

Lot Area: 0.26 acres

Price History for 3520 Shellcastle Ln

DatePriceEventSource
01/02/2018$2,150ListingRemovedAgent Provided
11/20/2017$2,150Listed For RentAgent Provided
08/05/2016$345,000ListingRemovedAgent Provided
06/23/2016$345,000PendingAgent Provided
06/13/2016$345,000PendingToActiveAgent Provided
06/05/2016$345,000PendingAgent Provided
06/02/2016$345,000Listed For SaleAgent Provided
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Property Tax and Assessment

Year2025
Tax$11,464
Assessment$637,124
Home facts updated by county records

Comparable Sales for 3520 Shellcastle Ln

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
3803 Azur Ln, Round Rock, TX
0.18
Single-Family Home
-
07/02/25
4
3
2,724
3836 Newland Ct, Round Rock, TX
0.37
Single-Family Home
-
10/10/25
5
2.5
3,452
3103 Quail Run Dr, Round Rock, TX
0.43
Unknown
-
02/08/26
-
-
3713 Fossilwood Way, Round Rock, TX
0.28
Single-Family Home
-
04/27/26
4
3
2,634
3822 Sky Ln, Round Rock, TX
0.49
Single-Family Home
-
08/14/25
4
3.5
3,174
4506 Corazon Cv, Round Rock, TX
0.48
Single-Family Home
-
11/19/25
5
3.5
3,798
3809 Tailfeather Dr, Round Rock, TX
0.49
Single-Family Home
-
10/14/25
4
2.5
3,291
4037 Honey Bear Loop, Round Rock, TX
0.69
Single-Family Home
-
05/18/26
4
2.5
3,007
1141 Stone Forest Trl, Round Rock, TX
0.33
Single-Family Home
-
07/31/25
4
2
1,682
3729 Galena Hills Loop, Round Rock, TX
0.77
Single-Family Home
-
03/30/26
5
3
3,551

Nearby homes

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Assigned Schools

These are the assigned schools for 3520 Shellcastle Ln.
View nearby schools on GreatSchools
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

Neighborhood Overview

Mayfield Ranch Enclave
See Local Highlights
Neighborhood stats provided by third party data sources.

What Locals Say about Mayfield Ranch Enclave

At least 27 Trulia users voted on each feature.

  • 100 % Say yards are well-kept

  • 95 % Say car is needed

  • 94 % Say kids play outside

  • 93 % Say there's holiday spirit

  • 93 % Say it's dog friendly

  • 91 % Say parking is easy

  • 88 % Say it's quiet

  • 88 % Say people would walk alone at night

  • 83 % Say there are sidewalks

  • 79 % Say streets are well-lit

  • 73 % Say there are community events

  • 70 % Say there's wildlife

  • 66 % Say neighbors are friendly

  • 63 % Say they plan to stay for at least 5 years

Sourced by Trulia users. Learn more about our methodology.
  • Trulia User
    "Very small, everyone knows each other pretty much. Being hated always helps. Pool doesn't stay open year tm round. "
    0
    Flag
  • Trulia User
    "People with dogs usually pick up after them more times than not. The neighborhood is really close to a park with walking trails where people take their dogs to hike and play "
    0
    Flag
  • Kiran
    "Love this small, friendly, tight knit neighborhood! The best part of this neighborhood is the school Chandler Oaks which is an IB school with great teachers, staff & principal. "
    0
    Flag
  • Katdocleland
    "20 min drive to north Austin. Would likely be 30 min to downtown Austin. Commute requires less drive time when school is out for holidays and summer"
    0
    Flag
  • Dcoat
    "This is a quiet, friendly neighborhood. People care about their neighbors and watch out for one another's homes. I often see my neighbors out running, walking dogs, playing with their kids, or doing yard work. I also love that our home backs up to Williamson County Park. I see deer every day."
    13
    Flag
  • Txtribull
    "Live hear for about 7 years, great amenities, close to everything. a great place to raise a family!"
    0
    Flag
  • dgm
    "I live here. The area is conveniently located to shopping and highways. Mayfield Ranch Homeowner's Association takes great care of the common grounds. There are always beautiful flowers growing at the entrance and the trees and bushes throughout the common areas are always well taken care of. The owner's in the neighborhood take pride in their homes and yards."
    0
    Flag
  • GylWind
    "Octavia Lane has the friendliest neighbors I have ever met/had. Everyone knows each other and every summer we have a block party. The schools are Exemplary and we're close to many malls, shopping and major highways, yet tucked away safely."
    1
    Flag
  • GylWind
    "Great neighborhood with lots of trees and green-ways. Very kid friendly and close to Round Rock Outlet, Grocery, 1890 Ranch Mall, I-35 and 183-A."
    0
    Flag

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Homes for sale near 3520 Shellcastle Ln

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Off Market Homes Near 3520 Shellcastle Ln

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Homes for rent near 3520 Shellcastle Ln

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3520 Shellcastle Ln, Round Rock, TX 78681 is a 5 bedroom, 4 bathroom, 3,161 sqft single-family home built in 2006. 3520 Shellcastle Ln is located in Mayfield Ranch Enclave, Round Rock. This property is not currently available for sale. The current Trulia Estimate for 3520 Shellcastle Ln is $568,600.