Funding type
This project is privately funded, on private land for private use.
Quest in Houston, TX
4625 Southwest FRWY Ste. 142, Houston, TX, 77027
Quest is a renovation/alteration project at 4625 Southwest FRWY Ste. 142, Houston, in Harris County, TX, tracked from its Texas Department of Licensing and Regulation (TDLR) registration. Construction complete (TDLR inspection passed Feb 2026). The project has an estimated value of $250K across about 2,045 sq ft.
- Estimated project value
- $250K
About this figure
Estimated construction cost supplied in the TDLR filing. This is not a current property appraisal or a final construction invoice.
- Reported floor area
- 2,045 ft²
About this figure
Square footage reported for this scope of work. It may cover only part of a larger property.
- Estimated cost / ft²
- $122/sqft
About this figure
Calculated from this filing’s estimated cost divided by its reported square footage. Available only when both figures are supplied; it is not a market benchmark.
- Scheduled duration
- 2 months
About this figure
The interval between the filed start and completion dates. These dates describe the proposed schedule and do not measure actual construction progress.
The project record
Project timeline
Explore filed milestones and scheduled dates. Open a milestone for its source.
5 timeline dates shown.
Project registered · TDLR filing
Registration of the project with the Texas Department of Licensing and Regulation.
Source: TDLR filing
View source recordReview complete · TDLR filing
The filing records completion of the accessibility review.
Same day as the preceding date shown.
Source: TDLR filing
View source recordScheduled construction start · Scheduled date
A date supplied in the filing; this does not confirm that work started or finished.
51 days after the preceding date shown.
Source: TDLR filing
View source recordScheduled completion · Scheduled date
A date supplied in the filing; this does not confirm that work started or finished.
61 days after the preceding date shown.
Source: TDLR filing
View source recordInspection complete · TDLR filing
The filing records completion of the accessibility inspection.
193 days after the preceding date shown.
Source: TDLR filing
View source record
📰About Quest
Quest Diagnostics completed a 2,045 sq ft renovation of its existing Patient Service Center at 4625 Southwest FRWY Ste. 142 in Houston. The project, filed under the name "Quest - Houston, TX," involved an interior remodel with no addition to the building's square footage. The work passed its final TDLR accessibility inspection in February 2026, confirming the construction phase is complete.
The estimated cost for this renovation was $250,000, resulting in a cost of $122 per square foot. This figure is above the Harris County median of $80 per square foot for similar renovation and alteration filings. The total project cost is close to the county median of $250,000 for this type of work, while the scheduled build window of 61 days was shorter than the county median of 92 days.
Project Details and Record
SLS 4615 SW Freeway, LLC is listed as the owner of record, with ms consultants.inc serving as the design firm. David C Deming is the registered accessibility specialist. The project was registered with TDLR in April 2025, and plan review was completed that same month. Construction was scheduled to begin in June 2025, with a planned completion date of August 2025. The final inspection was not passed until February 2026.
The site is located in Harris County, within ZIP code 77027. Census estimates for this area indicate a population of about 19,269 and a median household income of $102,861. The housing stock consists of 13,286 units, with a median owner-occupied home value of $881,700.
Ms consultants.inc has been involved in six other TDLR-registered projects totaling $7,500,000. These include locations for Tim Hortons in Leander, Pilot Flying J in Houston, Walmart in The Woodlands, and other Quest Diagnostics sites in San Antonio and Webster. The Harris County unemployment rate was 5 percent in August 2026, lower than a year earlier.
Inspection Complete
Final inspection completed, awaiting project closure
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Quest is a Renovation/Alteration project located at 4625 Southwest FRWY Ste. 142, Houston, TX 77027 in Houston, Texas. The project has an estimated value of $250K covering 2,045 sq ft. SLS 4615 SW FREEWAY, LLC is the property owner and ms consultants.inc is the design firm of record. The project was registered with TDLR on April 11, 2025.
Frequently Asked Questions
Is the Quest Diagnostics renovation in Houston complete?
Yes, the project passed its final TDLR accessibility inspection in February 2026. The construction phase is finished, though this record does not indicate whether the business is open to the public.
What was the cost of the patient center remodel?
The estimated cost was $250,000. This amount is close to the Harris County median for renovation projects, though the cost per square foot of $122 is above the county median of $80.
Who is the owner of the building at 4625 Southwest FRWY?
SLS 4615 SW Freeway, LLC is listed as the owner of record for this project. The design firm of record is ms consultants.inc, and David C Deming is the registered accessibility specialist.
Did the renovation add square footage to the building?
No. The scope of work was a remodel of the existing Quest Patient Service Center. The filing explicitly states that no additional square footage was added to the 2,045 sq ft space.
When was the project registered with TDLR?
The project was registered with TDLR in April 2025. Plan review was completed in the same month, and construction was scheduled to start in June 2025.
What is Quest?
Quest is a renovation/alteration project at 4625 Southwest FRWY Ste. 142 in Houston, Texas, registered with the Texas Department of Licensing and Regulation (TDLR). Scope of work: Remodel of existing Quest Patient Service Center, no additional square footage.
Is Quest open in Houston?
Construction on Quest is complete — TDLR records show the project passed its required accessibility inspection in Feb 2026. The building is finished and very likely open.
Where is Quest located?
Quest is located at 4625 Southwest FRWY Ste. 142, Houston, TX, 77027, in Harris County.
Who is the owner or developer of Quest?
SLS 4615 SW FREEWAY, LLC is the property owner/developer of record for Quest, per its TDLR project registration.
Who is the architect or design firm for Quest?
ms consultants.inc is the design firm of record for Quest, according to its TDLR filing.
How much does Quest cost and how big is it?
Quest has an estimated construction value of $250K and approximately 2,045 square feet (about $122/sqft), based on its TDLR filing.
Scope of Work
Remodel of existing Quest Patient Service Center, no additional square footage.
Note: This project is registered under the Texas Accessibility Standards (TAS) program. TDLR registration is required for commercial and public facility construction to ensure compliance with accessibility requirements under Texas Government Code Chapter 469.
Location & views
4625 Southwest FRWY Ste. 142, Houston, TX, 77027
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