This study determined the competency improvement needs of teachers of brick/blocklaying and concreting works for effective teaching in technical colleges in Edo and Delta States. Three research questions gave credence to the study and two null hypotheses tested. A descriptive survey research design was used. A population of 64 respondents made up of 42 brick/blocklaying and concreting works (BBCW) teachers and 22 technologists was used. A 56-item competencies structured questionnaire was the instrument for the study. Three experts validated the instrument. A reliability coefficient of 0.74 was obtained. Research questions were answered with Mean and standard deviation, while independent t-test statistic applied to test the hypotheses. From the findings, it was revealed that brick/blocklaying and concreting works teachers and technologist need competency improvements for classroom management, planning instructions, evaluation strategies and different types of instructional techniques. It was recommended among others that, BBCW teachers and technologist be exposed to regular workshops, seminars and trainings for capacity building on areas of needs identified in the study.