Sienna Foundation in Greenbrae, California (CA)

Sienna Foundation
Employer Identification Number (EIN)	912010373
Name of Organization	Sienna Foundation
Address	100 Drakes Rd Ste 115, Greenbrae, CA 94904
Subsection	Charitable Organization
Ruling Date	06/2000
Deductibility	Contributions are deductible
Foundation	Private non-operating foundation
Organization	Corporation
Exempt Organization Status	Unconditional Exemption
Tax Period	12/2010
Assets	$100,000 to $499,999
Income	$25,000 to $99,999
Filing Requirement	990 - Not required to file (all other) (990-PF required)
Asset Amount	$237,007
Amount of Income	$95,568
Form 990 Revenue Amount	$0
National Taxonomy of Exempt Entities (NTEE)	Philanthropy, Voluntarism and Grantmaking Foundations: Private Independent Foundations

Non-representatives - add comments:

Amount of income in 2010: $95,568 (it was $36,541 in 2009)

Sienna Foundation:	$95,568
Other organizations performing similar types of work:	$103,138

Assets in 2010: $237,007 (it was $298,609 in 2009)

This organization:	$237,007
Other organizations performing similar types of work:	$338,623

Financial snapshot ($)

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Id	Name	Address	State	Established	Total Income
Organizations performing similar types of work
1	Sean N Parker Foundation	314 Lytton Avenue No 200, Palo Alto, CA 94301-1430	CA	2011-08	$432,036,012
2	Schmidt Science And Philanthropic Foundation	555 Bryant St Num 374, Palo Alto, CA 94301-1704	CA	2014-09	$361,983,271
3	W M Keck Foundation	550 South Hope Street, Los Angeles, CA 90071-2627	CA	1959-04	$344,489,762
4	Scully Memorial Foundation	591 Redwood Hwy Ste 3215, Mill Valley, CA 94941-6006	CA	2013-05	$173,086,754
5	Windsong Tr, Osco-Bingemann Gigi	838 Manhattan Beach Blvd, Manhattan Bch, CA 90266-4933	CA	2004-09	$152,598,012
6	S D Bechtel Jr Foundation	PO BOX 193809, San Francisco, CA 94119-3809	CA	2006-10	$107,519,324
7	Erwin Rautenberg Foundation	2811 Wilshire Blvd Ste 570, Santa Monica, CA 90403-4806	CA	2013-01	$68,308,024
8	Good Ventures Foundation	314 Lytton Ave Ste 200, Palo Alto, CA 94301-1430	CA	2013-03	$61,394,432
9	Weingart Foundation	1055 W 7th St Ste 3200, Los Angeles, CA 90017-2557	CA	1952-12	$59,508,576
10	Stephen Bechtel Fund	PO BOX 193809, San Francisco, CA 94119-3809	CA	2007-06	$45,000,000
11	The@maurice Marciano Family Foundation	144 S Berverly Dr Snite 600, Beverly Hills, CA 90212	CA	2008-04	$42,004,085
12	San Simeon Fund	765 Market St Apt 34d, San Francisco, CA 94103-2040	CA	2005-11	$40,541,388
13	Valhalla Charitable Foundation	2995 Woodside Rd Ste 400, Woodside, CA 94062-2448	CA	2004-06	$39,613,340
14	David And Janet Polak Foundation	1725 Green Acres Dr, Beverly Hills, CA 90210-2741	CA	2014-09	$38,372,046
15	Tarble Foundation, Tarble Jan Ttee	11075 Santa Monica Blvd Ste 150, Los Angeles, CA 90025-7541	CA	2006-02	$35,434,181
16	Thornton Foundation	1220 Virginia Rd, San Marino, CA 91108-1054	CA	2004-12	$27,721,690
17	Jay And Rose Phillips Family Foundation Of California	199 Fremont St Fl 20, San Francisco, CA 94105-2288	CA	2011-11	$25,020,734
18	The@libra Foundation, Nicholas J Pritzker	1 Letterman Dr Ste C-420, San Francisco, CA 94129-2402	CA	2002-06	$24,614,704
19	Westreich Foundation	PO BOX 3601, Rcho Santa Fe, CA 92067-3601	CA	2005-11	$22,290,096
20	William Soroka Charitable Trust, Woltman Kaye M Ttee	5642 Dolphin Pl, La Jolla, CA 92037-7517	CA	2005-03	$22,035,934

Number of organizations performing similar types of work

Alaska	9
Alabama	199
Arkansas	82
Arizona	267
California	2,351
Colorado	400
Connecticut	391
District of Columbia	107
Delaware	405
Florida	1,490
Georgia	455
Hawaii	86
Iowa	147
Idaho	73
Illinois	1,069
Indiana	261
Kansas	152
Kentucky	147
Louisiana	127
Massachusetts	713
Maryland	422
Maine	67
Michigan	549
Minnesota	327
Missouri	308
Mississippi	56

Montana	59
North Carolina	649
North Dakota	15
Nebraska	126
New Hampshire	66
New Jersey	849
New Mexico	78
Nevada	194
New York	2,454
Ohio	628
Oklahoma	223
Oregon	179
Pennsylvania	935
Rhode Island	181
South Carolina	141
South Dakota	32
Tennessee	192
Texas	1,225
Utah	217
Virginia	452
Vermont	36
Washington	375
Wisconsin	334
West Virginia	49
Wyoming	61
International	38

Total

20,448

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