General (Policies)	9 Months Ended
Sep. 30, 2012
Notes to Financial Statements
Nature of Operations	Registrant, DSI Realty Income Fund IX (the "Partnership") is a publicly-held limited partnership organized under the California Uniform Limited Partnership Act pursuant to a Certificate and Agreement of Limited Partnership (hereinafter referred to as "Agreement") dated March 6,1985. The General Partners are DSI Properties, Inc., a California corporation, and RJC Capital Management, LLC and JWC Capital Management, LLC. DSI Properties, Inc. is an affiliate of Diversified Securities, Inc., a wholly-owned subsidiary of DSI Financial, Inc. The General Partners provide similar services to other partnerships. Through its public offering of Limited Partnership Units, the Partnership sold thirty thousand six hundred ninety-three (30,693) units of limited partnership interests, aggregating Fifteen Million Three Hundred Forty-Six Thousand Five Hundred Dollars ($15,346,500). The General Partners have retained a one percent (1%) interest in all profits, losses and distributions (subject to certain conditions), without making any capital contribution to the Partnership. The General Partners are not required to make any capital contributions to the Partnership in the future. The Partnership has acquired mini-storage facilities located in Monterey Park and Azusa, California; Everett, Washington; and Romeoville and Elgin, Illiniois. The Partnerhsip has entered into a joint venture with DSI Realty Income Fund VIII through which the Partnerhsip has a 70% interest ina mini-storage in Aurora, Colorado. A non-controlling interest in the real estate joint venture was recorded for the nine-month period ended September 30, 2012 and 2011 in the amount of $59,521 and $50,130. The Partnership is a general partner in the joint venture. The facilities were acquried from Dahn Corporation ("Dahn"). Dahn is not affiliated with the Partnership. Dahn is affiliated with other partnerships in which DSI Properties, Inc. , RJC and JWC are the general partners.
Comparability to Prior Year Data	The accompanying unaudited interim consolidated financial statements have been prepared by the Partnership's management in accordance with accounting principles generally accepted in the United States of America ("GAAP") and in conjunction with the rules and regulations of the Securities and Exchange Commission ("SEC"). Certain information and footnote disclosures required for annual financial statements have been condensed or excluded pursuant to SEC rules and regulations. Accordingly, the unaudited interim consolidated financial statements do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, the accompanying unaudited interim consolidate financial statements reflect all adjustments of a normal and recurring nature which are considered necessary for a fair presentation of the results for the interim periods presented. However, the results of operations for the interim periods are not necessarily indicative of the results that may be expected for the year ending December 31, 2012. These unaudited interim consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Partnership's annual report on Form 10-K for the year ended December 31, 2011.
Comprehensive Income	The Partnership has adopted Accounting Standards Update 2011-05, Comprehensive Income (Topic 220): Presentation of Comprehensive Income. For the six months ended June 30, 2012 and 2011 comprehensive income equaled net income, as the Partnership had no other comprehensive income. As of June 30, 2012 and December 31, 2011, accumulated other comprehensive income was $0.
Fair Value Disclosures	ASC 825-10 (formerly SFAS 107, “Disclosures about Fair Value of Financial Instruments”) defines financial instruments and requires disclosure of the fair value of financial instruments held by the Partnership. The Partnership considers the carrying amount of cash, accounts receivable, other receivables, accounts payable and accrued liabilities, to approximate their fair values because of the short period of time between the origination of such instruments and their expected realization. Recent Accounting Pronouncements In May 2011, the FASB issued Accounting Standards Update 2011-04, Fair Value Measurement (Topic 820): Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRSs. The new guidance results in a consistent definition of fair value and common requirements for measurement of and disclosure about fair value between U.S. GAAP and International Financial Reporting Standards. While many of the amendments to U.S. GAAP are not expected to have a significant effect on practice, the new guidance changes some fair value measurement principles and disclosure requirements. This new guidance is effective for fiscal years and interim periods beginning after December 15, 2011. The adoption of the standard update does not have a significant impact on its financial position or results of operations.
Balance Sheet Offsets	In December 2011, the FASB issued Accounting Standards Update No. 2011-11, Balance Sheet (Topic 210), Disclosures about Offsetting Assets and Liabilities, which requires companies to disclose information about financial instruments that have been offset and related arrangements to enable users of its financial statements to understand the effect of those arrangements on its financial statements. Companies will be required to provide both net (offset amounts) and gross information in the notes to the financial statements for relevant assets and liabilities that are offset. This standard will be effective for fiscal years, and interim periods within those years, beginning on or after January 1, 2013. The Partnership does not expect the adoption of the standard update to impact its financial position or results of operations, as it only requires additional disclosure in the Partner’s financial statements.

General (Policies)

9 Months Ended

Sep. 30, 2012

Registrant, DSI Realty Income Fund IX (the "Partnership") is a publicly-held limited partnership organized under the California Uniform Limited Partnership Act pursuant to a Certificate and Agreement of Limited Partnership (hereinafter referred to as "Agreement") dated March 6,1985. The General Partners are DSI Properties, Inc., a California corporation, and RJC Capital Management, LLC and JWC Capital Management, LLC.

DSI Properties, Inc. is an affiliate of Diversified Securities, Inc., a wholly-owned subsidiary of DSI Financial, Inc. The General Partners provide similar services to other partnerships. Through its public offering of Limited Partnership Units, the Partnership sold thirty thousand six hundred ninety-three (30,693) units of limited partnership interests, aggregating Fifteen Million Three Hundred Forty-Six Thousand Five Hundred Dollars ($15,346,500). The General Partners have retained a one percent (1%) interest in all profits, losses and distributions (subject to certain conditions), without making any capital contribution to the Partnership. The General Partners are not required to make any capital contributions to the Partnership in the future.

The Partnership has acquired mini-storage facilities located in Monterey Park and Azusa, California; Everett, Washington; and Romeoville and Elgin, Illiniois. The Partnerhsip has entered into a joint venture with DSI Realty Income Fund VIII through which the Partnerhsip has a 70% interest ina mini-storage in Aurora, Colorado. A non-controlling interest in the real estate joint venture was recorded for the nine-month period ended September 30, 2012 and 2011 in the amount of $59,521 and $50,130. The Partnership is a general partner in the joint venture. The facilities were acquried from Dahn Corporation ("Dahn"). Dahn is not affiliated with the Partnership. Dahn is affiliated with other partnerships in which DSI Properties, Inc. , RJC and JWC are the general partners.

Comparability to Prior Year Data

The accompanying unaudited interim consolidated financial statements have been prepared by the Partnership's management in accordance with accounting principles generally accepted in the United States of America ("GAAP") and in conjunction with the rules and regulations of the Securities and Exchange Commission ("SEC"). Certain information and footnote disclosures required for annual financial statements have been condensed or excluded pursuant to SEC rules and regulations. Accordingly, the unaudited interim consolidated financial statements do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, the accompanying unaudited interim consolidate financial statements reflect all adjustments of a normal and recurring nature which are considered necessary for a fair presentation of the results for the interim periods presented. However, the results of operations for the interim periods are not necessarily indicative of the results that may be expected for the year ending December 31, 2012. These unaudited interim consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Partnership's annual report on Form 10-K for the year ended December 31, 2011.

Comprehensive Income

The Partnership has adopted Accounting Standards Update 2011-05, Comprehensive Income (Topic 220): Presentation of Comprehensive Income. For the six months ended June 30, 2012 and 2011 comprehensive income equaled net income, as the Partnership had no other comprehensive income. As of June 30, 2012 and December 31, 2011, accumulated other comprehensive income was $0.

Fair Value Disclosures

ASC 825-10 (formerly SFAS 107, “Disclosures about Fair Value of Financial Instruments”) defines financial instruments and requires disclosure of the fair value of financial instruments held by the Partnership. The Partnership considers the carrying amount of cash, accounts receivable, other receivables, accounts payable and accrued liabilities, to approximate their fair values because of the short period of time between the origination of such instruments and their expected realization.

Recent Accounting Pronouncements

In May 2011, the FASB issued Accounting Standards Update 2011-04, Fair Value Measurement (Topic 820): Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRSs. The new guidance results in a consistent definition of fair value and common requirements for measurement of and disclosure about fair value between U.S. GAAP and International Financial Reporting Standards. While many of the amendments to U.S. GAAP are not expected to have a significant effect on practice, the new guidance changes some fair value measurement principles and disclosure requirements. This new guidance is effective for fiscal years and interim periods beginning after December 15, 2011. The adoption of the standard update does not have a significant impact on its financial position or results of operations.

Balance Sheet Offsets

In December 2011, the FASB issued Accounting Standards Update No. 2011-11, Balance Sheet (Topic 210), Disclosures about Offsetting Assets and Liabilities, which requires companies to disclose information about financial instruments that have been offset and related arrangements to enable users of its financial statements to understand the effect of those arrangements on its financial statements. Companies will be required to provide both net (offset amounts) and gross information in the notes to the financial statements for relevant assets and liabilities that are offset. This standard will be effective for fiscal years, and interim periods within those years, beginning on or after January 1, 2013. The Partnership does not expect the adoption of the standard update to impact its financial position or results of operations, as it only requires additional disclosure in the Partner’s financial statements.