bˈɔːldwɪn sˈɜːvd æz ɐ sˈɛkɹətɹi ʌvðə tʃˈæptɚɹ ʌntˈɪl hɪz ɹˌɛzɪɡnˈeɪʃən ɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd ˈeɪɾi ˈeɪt ˌoʊvɚɹ ɐ dˌɪsɐɡɹˈiːmənt bᵻtwˌiːn hɪmsˈɛlf ænd ɐ kəmpˈɛɾɪɾɚ, dʒˈɔːɹdʒ ˈeɪ. fɹˈɛdɚɹˌɪk, ɐnˈʌðɚ wˈɛlnˈoʊn lˈoʊkəl ˈɑːɹkɪtˌɛkt ænd mjuːnˈɪsɪpəl ˌɛndʒɪnˈɪɹ slˈæʃ ˈɑːɹkɪtˌɛkt, dɪzˈaɪnɚɹ ɐmˌʌŋ mˈɛni pɹˈɑːdʒɛkts ʌvðə bˈɔltɪmˌoːɹ sˈɪɾi hˈɔːl wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɪksti sˈɛvən dˈæʃ wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɛvənti fˈaɪv ænd sˈɛvɹəl stɹˈʌktʃɚz æt ðə sˈɪɾiz nˈuː ɛkspˈænsɪv dɹˈuːɪd hˈɪl pˈɑːɹk pˈɜːtʃɪst wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɪksti.
Baldwin served as a Secretary of the Chapter until his resignation in 1888 over a disagreement between himself and a competitor, George A. Frederick, another well-known local architect and municipal engineer/architect, designer among many projects of the Baltimore City Hall (1867-1875) and several structures at the city's new expansive Druid Hill Park purchased 1860.