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Marble Falls: Multi-Use Development Receives New Moniker

Feature Illustration: The proposed master plan for the Thunder Rock development by Willis Environmental Engineering, Inc.

Posted 12-07-2020

by Art Benavidez

Marble Falls (Burnet County) — City Council approved an amendment to a 1,074-acre multi-use planned development district (PDD) that they want built.

The amendment, voted for at their meeting last week, changes the name of the development to Thunder Rock: it had previously gone under the name Flat Rock Creek.

The Farmers Branch-based Centurion American Development Group is developing the project through their entity MM Marble Falls 1070, LLC.

On Sept. 1, the city first entered into the agreement with MM Marble Falls 1070, LLC to build the development on behalf of the city.

The development agreement created a Public Improvement District (PID) and a Tax Increment Reinvestment Zone for a total of $124 million over the course of 41 years.

The PID request requires enhancements that include street, roadway, sidewalk improvements, along with the creation of playgrounds, walkways and lighting features. 

These improvements will be paid for through PID revenue bonds, which are repaid with the assessment revenue collected from PID property.

There is also an agreement that approximately 15 acres of land will be added to the overall development because MM Marble Falls 1070, LLC plans to acquire what was once an outparcel to the overall development.

The property in question borders the Baylor Scott and White Hospital and is located at the northwest corner of US Highway 281 and State Highway 71 and also spans north along the frontage road on West Ranch to Market Road 2147 within the southern portion of the city.

The Thunder Rock PDD will have a base zoning district of neighborhood commercial (NC), general commercial (GC), neighborhood residential (NR), multifamily residential (MR) and rural estate (RE).

The city is proposing that the development consist of approximately 1,966  single-family residential  homes, 539 multifamily units, 225 active adult units, 75,000 square feet of  commercial  development, a 26.3-acre  sports complex, a 10.3-acre tract of land for a recreational center and municipal use and a future linear native habitat with nature trails along Flatrock Creek. 

The RE zoning district is located on the northern 300 acres of the development except for one small parcel with a base district of NC that is immediately adjacent to FM 2147 at the northwest corner of the project.

Four residential lot types are proposed with the project including 159 40-foot wide lots, 1,360 50-foot wide lots, 190 60-foot wide lots and 82 two to five-acre ranchette lots.

The PDD stipulates that the overall acreage of Zone  A, the GC base district, may increase by up to 10% with the acreage off-set taken from Zone C.

A 21.3-acre wastewater treatment plant site and a 3.2-acre fire station site that had been identified under the previous Flat Rock project plan have been removed and the acreage returned to the MM Marble Falls 1070, LLC with the new Thunder Rock project plan. The existing water tower parcel will remain city property.

The Thunder Rock master plan is divided into 20 parcels grouped into five development zones to be built in eight phases. 

Marble Falls-based consulting engineers Willis Environmental Engineering, Inc. released the following specs:

  • Zone A is approximately 128.64  acres and consists of GC zoning and will be constructed in Phase III.
  • Zone B is approximately 38.75  acres, consists of public uses and has a base zoning of  NR and will be constructed in Phase III and VII.
  • Zone C is approximately 606.24 acres, consists of neighborhood residential uses and has a base zoning of NR and will be constructed in Phase I, II, III, IV, V, VI and VII.
  • Zone D is approximately 288.23 acres, consists of rural estate residential uses and has a base zoning of RE and will be constructed in Phase VIII. 
  • Zone E is approximately 11.98 acres, consists of neighborhood commercial uses and has a base zoning of NC and will be constructed in Phase VIII.

The conceptual plan maps out an extensive road system throughout the development.  

Within the property, there is one main north-south road that runs throughout the project, with several other north-south or east-west routes that connect to it. There is one proposed crossing of Flatrock Creek.

The major highway intersection of US Hwy 71 and  US Hwy 281 make commercial land uses favorable in that portion of the property, based on its access to transportation and the highway frontage road.

The exterior appearance requirements for commercial and multifamily development will be the use of a minimum of 75% brick, stone, stucco, glass (limited) and a  minimum use of 50% masonry for single-family development. 

Maximum GC building height has been increased to 55 feet with the height for the city property and the NC base district increased to 40 feet.

The development standards also encourage dark sky compliance lighting in order to maintain the rural dark skies character of the city, according to submitted documents. The overall impervious coverage for the project may not exceed 60%.

VBX Project ID: 2020-84D3


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By |2020-12-07T15:37:27-06:00December 7th, 2020|Construction Preview, Feature Story|

About the Author:

Art Benavidez (Construction News Reporter, Central Texas) is a seasoned journalist with over 15-years of experience in writing breaking news and in-depth features at the local level. He honed his research and reporting skills in newspapers and magazines throughout South and West Texas along with expertise in crafting digital content as Managing Editor of New Image Marketing Research Corporation. Benevidez is a Texas native and graduate of UT-RGV.

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