Project intelligenceTDLR TABS2020011836Renovation/Alteration
Funding type

This project is privately funded, on private land for private use.

Callahan Advisors in Houston, TX

3555 Timmons Suite 600, Houston, TX, 77027

Construction complete · Oct 2020Project Closed

Callahan Advisors is a renovation/alteration project at 3555 Timmons Suite 600, Houston, in Harris County, TX, tracked from its Texas Department of Licensing and Regulation (TDLR) registration. Construction complete (TDLR inspection passed Oct 2020). The project has an estimated value of $95K across about 4,743 sq ft.

Estimated project value
$95K
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
4,743 ft²
About this figure

Square footage reported for this scope of work. It may cover only part of a larger property.

Estimated cost / ft²
$20/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
6 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.

Feb 19, 2020225 days across supplied datesOct 1, 2020

4 timeline dates shown.

  1. Project registered · TDLR filing

    Registration of the project with the Texas Department of Licensing and Regulation.

    Source: TDLR filing

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  2. Scheduled construction start · Scheduled date

    A date supplied in the filing; this does not confirm that work started or finished.

    47 days after the preceding date shown.

    Source: TDLR filing

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  3. Project closed · TDLR filing

    The project record was closed in TDLR.

    178 days after the preceding date shown.

    Source: TDLR filing

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  4. Scheduled completion · Scheduled date

    A date supplied in the filing; this does not confirm that work started or finished.

    Same day as the preceding date shown.

    Source: TDLR filing

    View source record

Project Closed

Project has been completed and closed

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Callahan Advisors is a Renovation/Alteration project located at 3555 Timmons Suite 600, Houston, TX 77027 in Houston, Texas. The project has an estimated value of $95K covering 4,743 sq ft. Unilev is the property owner and Inventure is the design firm of record. The project was registered with TDLR on February 19, 2020.

Frequently Asked Questions

What is Callahan Advisors?

Callahan Advisors is a renovation/alteration project at 3555 Timmons Suite 600 in Houston, Texas, registered with the Texas Department of Licensing and Regulation (TDLR). Scope of work: Office Renovation

Is Callahan Advisors open in Houston?

Construction on Callahan Advisors is complete — TDLR records show the project passed its required accessibility inspection in Oct 2020. The building is finished and very likely open.

Where is Callahan Advisors located?

Callahan Advisors is located at 3555 Timmons Suite 600, Houston, TX, 77027, in Harris County.

Who is the owner or developer of Callahan Advisors?

Unilev is the property owner/developer of record for Callahan Advisors, per its TDLR project registration.

Who is the architect or design firm for Callahan Advisors?

Inventure is the design firm of record for Callahan Advisors, according to its TDLR filing.

How much does Callahan Advisors cost and how big is it?

Callahan Advisors has an estimated construction value of $95K and approximately 4,743 square feet (about $20/sqft), based on its TDLR filing.

Scope of Work

Office Renovation

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

3555 Timmons Suite 600, Houston, TX, 77027

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Related City Permits

Building permits found at or near this location

3555 TIMMONS LN 1525, Houston, TX 77027

HI-RISE 1,546, SF OFFICE REMODEL 1-14-1-B-A-100%SPK-FA 2021 IBC

IssuedBuilding PmtAug 2026
HOU-26067753-BUILDINGPMT
3555 TIMMONS LN 1510, Houston, TX 77027

3,995 SQ. FT. HI-RISE OFFICE REMODEL 1-14-1-B-A 2021 IBC SPK / FA

IssuedBuilding PmtJun 2026
HOU-26041161-BUILDINGPMT

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