{"nrhp_refnum":"09000306","name":"Fidelity Union Life Insurance Building","other_names":["Fidelity Union Life","Tower","Mosaic"],"category":"building","location":{"address":"1511 Bryan and 1507 Pacific Ave.","address_restricted":false,"city":"Dallas","county":"Dallas County","state":"TX","lat":32.78399336200005,"lon":-96.80010879399998,"geom_source":"nps_gis"},"listed_date":"2009-09-29","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Commerce"],"significance_levels":["local"],"summary":{"what_it_is":"A office-tower complex at 1511 Bryan Street and 1507 Pacific Avenue in downtown Dallas, Texas, made up of a 21-story tower built in 1952 and a 31-story addition completed in 1960, both designed by Wyatt C. Hedrick's office. It has since been converted to residential lofts known as Mosaic.","why_significant":"The nomination argues it is significant under Criterion A in Commerce for its association with Fidelity Union Life Insurance Company, which contributed to Dallas's commercial growth in the mid-20th century and reflects the postwar economic boom. It is also significant under Criterion C in Architecture as a regional example of Mid-Century Modern design and as the work of master architect Wyatt C. Hedrick.","narrative":"Rising in the center of downtown Dallas, this pair of connected office towers began as the headquarters of Fidelity Union Life Insurance Company. The 21-story section opened in 1952 and was reportedly the largest home office life insurance building in the South. A 31-story addition followed in 1960, and the combined building was reportedly the largest in Texas by square footage. Architect Wyatt C. Hedrick designed the first tower, and he and partner Nelson Stanley designed the addition. Exterior surfaces combine Kasota limestone, Malverne brick, green granite, aluminum-framed windows and blue-green mosaic tile. The property was recognized for its role in Dallas's postwar commercial growth and as a regional example of Mid-Century Modern design. After the longtime tenant left, the building sat vacant until a 2005-2007 rehabilitation turned it into roughly 440 loft apartments, called Mosaic, while restoring the original lobbies and exterior features.","period_of_significance":"1952-1960","architect_builder":"Hedrick, Wyatt C. (1952 tower); Hedrick, Wyatt C. and Nelson Stanley (1960 addition)","architectural_style":"Other: Midcentury Modern","criteria":["A","C"],"status_note":"Rehabilitated in 2005-2007 into about 440 residential loft apartments with ground-floor retail and a restaurant; described as in excellent condition and retaining a high degree of integrity.","vacant_flag":false,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:54:24.144542-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/opastorage/live/9/9717/40971709/content/electronic-records/rg-079/NPS_TX/09000306.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/09000306/0d8ce1c846-800.webp","url_1600":"https://nationalhistoricalregister.com/media/09000306/0d8ce1c846-1600.webp","licence":"CC BY 3.0","author":"Photo: Andreas Praefcke","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Dallas_Union_Tower_Complex_(Mosaic)_cityscape.jpg\" rel=\"noopener\">Photo: Andreas Praefcke</a>, <a href=\"https://creativecommons.org/licenses/by/3.0\" rel=\"license noopener\">CC BY 3.0</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Dallas_Union_Tower_Complex_(Mosaic)_cityscape.jpg"},"district":{"nrhp_refnum":"04000894","name":"Dallas Downtown Historic District (Additional Documentation)","url":"https://nationalhistoricalregister.com/districts/texas/dallas-downtown-historic-district-additional-documentation-04000894/"},"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/40971709","wikipedia":"https://en.wikipedia.org/wiki/Mosaic_Dallas","wikidata":"https://www.wikidata.org/wiki/Q6915310"},"indexable":true,"url":"https://nationalhistoricalregister.com/texas/dallas-county/fidelity-union-life-insurance-building-09000306/"}