deductible or payable in future periods. The Company had net deferred tax liabilities of $2.7 million and $2.0 million, at September 30, 2020 and December 31, 2019, respectively.
Comparison of Financial Condition at September 30, 2020 and December 31, 2019
Assets. Total assets increased $341.6 million, or 19.9%, to $2.05 billion at September 30, 2020, compared to $1.71 billion at December 31, 2019, primarily due to increases in loans receivable, net of $155.2 million, loans held for sale of $145.4 million, securities available-for-sale, of $47.0 million, other assets of $5.8 million, and securities held-to-maturity of $5.5 million, partially offset by decreases in total cash and cash equivalents of $9.7 million, certificates of deposit at other financial institutions of $6.6 million, and FHLB stock of $1.5 million. The increases in total assets were primarily funded by deposit growth and the use of PPPLF funds and FRB borrowings.
Loans receivable, net increased $155.2 million to $1.49 billion at September 30, 2020, from $1.34 billion at December 31, 2019. Total real estate loans increased $66.8 million, including increases in one-to-four-family portfolio loans of $39.3 million, which includes $20.1 million of adjustable rate mortgage loans purchased in the first quarter of 2020, commercial real estate loans of $16.6 million, construction and development loans of $12.3 million, and home equity loans of $2.3 million, partially offset by a decrease in multi-family loans of $3.7 million. Undisbursed construction and development loan commitments increased $48.6 million, or 51.2%, to $143.6 million at September 30, 2020, as compared to $95.0 million at December 31, 2019. Commercial business loans increased $62.1 million, due to increases in commercial and industrial loans of $83.7 million, reflecting primarily PPP loans of $74.1 million originated in the second and third quarters of 2020 and the $3.7 million purchase of a U.S. Department of Agriculture guaranteed loan in the first quarter of 2020, partially offset by the decrease in warehouse lending of $21.6 million. Consumer loans increased $38.6 million, primarily due to increases of $22.0 million in indirect home improvement loans and $17.5 million in marine loans.
Loans held for sale, consisting of one-to-four-family loans, increased by $145.4 million, or 208.6%, to $215.1 million at September 30, 2020, from $69.7 million at December 31, 2019. The Company continues to build its home lending operations and strategically add production staff in the markets we serve.
One-to-four-family loan originations, included $1.26 billion of loans originated for sale, $86.2 million of portfolio loans including first and second liens, and $7.0 million of loans brokered to other institutions. Refinance activity increased significantly over the last year in response to decreases in market interest rates.
Originations of one-to-four-family loans to purchase and to refinance a home for the periods indicated were as follows:
| | | | | | | | | | | | | | | |
| | For the Nine Months Ended | | For the Nine Months Ended | | Year | | Year |
| | September 30, 2020 | | September 30, 2019 | | over Year | | over Year |
| | Amount | | Percent | | Amount | | Percent | | $ Change | | % Change |
Purchase | | $ | 502,067 | | 37.1 | % | $ | 411,167 | | 64.4 | % | $ | 90,900 | | 22.1 |
Refinance | | | 851,821 | | 62.9 | | | 227,547 | | 35.6 | | | 624,274 | | 274.3 |
Total | | $ | 1,353,888 | | 100.0 | % | $ | 638,714 | | 100.0 | % | $ | 715,174 | | 112.0 |
During the nine months ended September 30, 2020, the Company sold $1.12 billion of one-to-four-family loans, compared to sales of $551.6 million for the same period one year ago. In addition, the cash margin on loans sold, net of deferred fees and capitalized expenses, increased to 2.24% for the nine months ended September 30, 2020, compared to 1.66% for the nine months ended September 30, 2019. Margin reported is based on actual loans sold into the secondary market and the related value of capitalized servicing, partially offset by recognized deferred loans fees and capitalized expenses. The gross cash margins on loans sold, excluding capitalized costs and deferred fees, were 4.02% and 3.31% for the nine months ended September 30, 2020 and 2019, respectively.
The ALLL was $24.8 million, or 1.63% of gross loans receivable, excluding loans held for sale at September 30, 2020, compared to $13.2 million, or 0.98% of gross loans receivable, excluding loans held for sale at December 31, 2019. Substandard loans increased to $18.5 million at September 30, 2020, compared to $6.7 million at December 31, 2019. This increase in substandard loans was mostly driven by the downgrade of two one-to-four-family loan relationships with principal balances totaling $6.5 million, primarily due to COVID-19 related factors, the downgrade of two commercial business loans totaling $4.3 million, which were also classified as non-performing, and two commercial real estate loans