Net interest income after provision for loan losses for the three months ended December 31, 2022 was $15.5 million compared with $13.6 million for the three months ended December 31, 2021. There was a $150,000 loan loss provision in the 2023 fiscal period compared to no provision for the comparable period in 2022, reflecting loss provisioning commensurate with loan growth.
The net interest margin for three months ended December 31, 2022 was 3.50% compared with 3.03% for the comparable period of fiscal 2022. The net interest rate spread improved to 3.30% in the first quarter of 2023, compared with 2.98% in the first quarter of 2022.
Noninterest income was $1.9 million for the three months ended December 31, 2022, compared with $2.3 million for the three months ended December 31, 2021. The decline in noninterest income during the quarter primarily reflected lower gain on sale of originated residential mortgage loans as the Company retained most of its mortgage production and lower commercial loan swap fees.
Noninterest expense for the first quarter of 2023 was $11.4 million compared to $10.3 million for the comparable quarter in 2022. The increase was due primarily to increases in compensation and employee benefits and professional fees.
Balance Sheet, Asset Quality and Capital Adequacy Review
Total assets were $1.93 billion at December 31, 2022 compared with $1.86 billion at September 30, 2022, respectively. The increase of $65.4 million, or 3.5% primarily reflects the growth in total net loans outstanding.
Total net loans were $1.50 billion at December 31, 2022, up from $1.44 billion at September 30, 2022. Residential real estate loans were $657.2 million at December 31, 2022, compared to $623.4 million at September 30, 2022 as the Company retained originated mortgages in light of higher yields. Indirect auto loans declined by $1.2 million during the three months ended December 31, 2022, reflecting expected runoff of the portfolio.
Commercial real estate loans increased to $707.1 million at December 31, 2022 compared with $678.8 million at September 30, 2022. Commercial loans (primarily commercial and industrial) were $45.0 million, compared with $38.2 million at September 30, 2022. Loans to states and political subdivisions were $39.3 million at December 31, 2022 compared to $40.4 million at September 30, 2022.
Total deposits were $1.37 billion at December 31, 2022 compared with $1.38 billion at September 30, 2022. Core deposits (demand accounts, savings and money market) were $1.2 billion, or 84.9% of total deposits, at December 31, 2022. Noninterest bearing demand accounts were $293.0 million, up 1.0% from September 30, 2022. Interest bearing demand accounts declined $37.1 million to $320.4 million from September 30, 2022. Money market accounts were $365.1 million at December 31, 2022, down 9.2% from September 30, 2022. Certificates of deposit increased 54.7% to $206.8 million at December 31, 2022 compared to September 30, 2022. Total borrowings increased to $305.6 million at December 31, 2022 from $230.8 million at September 30, 2022.
Nonperforming assets were $14.8 million, or 0.77% of total assets at December 31, 2022 compared to $15.1 million or 0.81% at September 30, 2022 and $19.1 million or 1.02% of total assets at December 31, 2021. The allowance for loan losses to total loans was 1.23% at December 31, 2022 compared to 1.31% at September 30, 2022 and 1.34% at December 31, 2021.
The Bank continued to demonstrate financial strength with a Tier 1 leverage ratio of 12.34% at December 31, 2022, exceeding regulatory standards for a well-capitalized institution. Total stockholders’ equity increased $3.8 million to $216.2 million at December 31, 2022, from $212.3 million at September 30, 2022, primarily reflecting net income growth, offset in part by dividends paid to shareholders and other comprehensive loss. Tangible book value per share at December 31, 2022 was $19.43 compared to $19.12 at September 30, 2022.