Northstar Investment Advisors 13F-HR Quarterly holdings report by institutional manager

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

OMB APPROVAL

OMB Number:		3235-0006
Expires:	Oct 31, 2018
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hours per response:		23.8

COLUMN 1	COLUMN 2	COLUMN 3	COLUMN 4	COLUMN 5			COLUMN 6	COLUMN 7	COLUMN 8
			VALUE	SHRS OR	SH/	PUT/	INVESTMENT	OTHER	VOTING AUTHORITY
NAME OF ISSUER	TITLE OF CLASS	CUSIP	(x$1000)	PRN AMT	PRN	CALL	DISCRETION	MANAGER	SOLE	SHARED	NONE
3M Company	COMMON STOCK	88579Y101	2,295	11,911	SH		SOLE		11,911	0	0
Abbott Laboratories	COMMON STOCK	002824100	16,847	140,579	SH		SOLE		140,579	0	0
AbbVie Inc.	COMMON STOCK	00287Y109	1,336	12,342	SH		SOLE		12,342	0	0
Aberdeen Standard Physical Gold Shares ETF	COMMON STOCK	00326A104	1,677	102,285	SH		SOLE		102,285	0	0
Accenture PLC A	COMMON STOCK	G1151C101	10,472	37,907	SH		SOLE		37,907	0	0
Agilent Technologies Inc	COMMON STOCK	00846U101	517	4,068	SH		SOLE		4,068	0	0
Alibaba Group Hldg Adr	COMMON STOCK	01609W102	9,728	42,907	SH		SOLE		42,907	0	0
Alphabet Inc A	COMMON STOCK	02079K305	19,089	9,255	SH		SOLE		9,255	0	0
Alphabet Inc C	COMMON STOCK	02079K107	1,626	786	SH		SOLE		786	0	0
Altria Group	COMMON STOCK	02209S103	1,117	21,836	SH		SOLE		21,836	0	0
Amazon.com Inc	COMMON STOCK	023135106	14,675	4,743	SH		SOLE		4,743	0	0
Amgen, Inc.	COMMON STOCK	031162100	2,412	9,693	SH		SOLE		9,693	0	0
Amphenol Corp Cl A	COMMON STOCK	032095101	2,027	30,725	SH		SOLE		30,725	0	0
Ansys Inc	COMMON STOCK	03662Q105	2,519	7,418	SH		SOLE		7,418	0	0
Anthem Inc	COMMON STOCK	036752103	3,465	9,652	SH		SOLE		9,652	0	0
Apple Computer Inc	COMMON STOCK	037833100	23,701	194,029	SH		SOLE		194,029	0	0
AT&T Inc.	COMMON STOCK	00206R102	508	16,776	SH		SOLE		16,776	0	0
Atlassian Corporation PLC	COMMON STOCK	G06242104	3,611	17,133	SH		SOLE		17,133	0	0
Auto Data Processing	COMMON STOCK	053015103	12,701	67,388	SH		SOLE		67,388	0	0
Baidu Inc	COMMON STOCK	056752108	1,161	5,338	SH		SOLE		5,338	0	0
Bank of America Corp	COMMON STOCK	060505104	696	18,000	SH		SOLE		18,000	0	0
Berkshire Hathaway Cl B	COMMON STOCK	084670702	8,489	33,228	SH		SOLE		33,228	0	0
Black Hills Corp	COMMON STOCK	092113109	793	11,870	SH		SOLE		11,870	0	0
Blackrock Inc	COMMON STOCK	09247X101	3,519	4,667	SH		SOLE		4,667	0	0
Booking Holdings Inc	COMMON STOCK	09857L108	3,329	1,429	SH		SOLE		1,429	0	0
Bristol-Myers Squibb	COMMON STOCK	110122108	2,239	35,473	SH		SOLE		35,473	0	0
Broadcom Ltd	COMMON STOCK	11135F101	3,554	7,665	SH		SOLE		7,665	0	0
Canadian Natl Ry Co	COMMON STOCK	136375102	8,186	70,585	SH		SOLE		70,585	0	0
Caterpillar Inc.	COMMON STOCK	149123101	591	2,548	SH		SOLE		2,548	0	0
Charles River Labs Hldg	COMMON STOCK	159864107	2,717	9,373	SH		SOLE		9,373	0	0
Chevron Corp	COMMON STOCK	166764100	316	3,020	SH		SOLE		3,020	0	0
Chubb Ltd	COMMON STOCK	H1467J104	3,041	19,249	SH		SOLE		19,249	0	0
Church & Dwight Co Inc	COMMON STOCK	171340102	9,001	103,047	SH		SOLE		103,047	0	0
Cisco Systems	COMMON STOCK	17275R102	6,182	119,555	SH		SOLE		119,555	0	0
Clorox Co.	COMMON STOCK	189054109	284	1,475	SH		SOLE		1,475	0	0
Coca-Cola Co.	COMMON STOCK	191216100	1,048	19,879	SH		SOLE		19,879	0	0
Cognex Corp	COMMON STOCK	192422103	3,981	47,965	SH		SOLE		47,965	0	0
Comcast Corp Class A	COMMON STOCK	20030N101	241	4,453	SH		SOLE		4,453	0	0
Corteva Inc com	COMMON STOCK	22052L104	218	4,674	SH		SOLE		4,674	0	0
Costco Wholesale Corp	COMMON STOCK	22160K105	1,691	4,797	SH		SOLE		4,797	0	0
Cummins Inc	COMMON STOCK	231021106	3,646	14,072	SH		SOLE		14,072	0	0
Diageo PLC ADR	COMMON STOCK	25243Q205	2,376	14,471	SH		SOLE		14,471	0	0
Dominion Res Inc Va New	COMMON STOCK	25746U109	833	10,963	SH		SOLE		10,963	0	0
Dover Corporation	COMMON STOCK	260003108	237	1,725	SH		SOLE		1,725	0	0
Dow Jones Industrial Average	COMMON STOCK	78467X109	1,336	4,046	SH		SOLE		4,046	0	0
Ecolab Inc	COMMON STOCK	278865100	7,497	35,021	SH		SOLE		35,021	0	0
Edwards Lifesciences Corp	COMMON STOCK	28176E108	3,602	43,069	SH		SOLE		43,069	0	0
Emerson Electric Company	COMMON STOCK	291011104	1,809	20,056	SH		SOLE		20,056	0	0
EOG Resources	COMMON STOCK	26875P101	956	13,175	SH		SOLE		13,175	0	0
Equinix Inc	COMMON STOCK	29444U700	4,221	6,211	SH		SOLE		6,211	0	0
Expeditors Int'l	COMMON STOCK	302130109	692	6,430	SH		SOLE		6,430	0	0
Exxon Mobil Corp	COMMON STOCK	30231G102	1,884	33,740	SH		SOLE		33,740	0	0
Facebook Inc Class A	COMMON STOCK	30303M102	11,790	40,031	SH		SOLE		40,031	0	0
Falcon Oil & Gas Ltd	COMMON STOCK	306071101	17	200,000	SH		SOLE		200,000	0	0
Fastenal Co	COMMON STOCK	311900104	2,817	56,033	SH		SOLE		56,033	0	0
Fidelity National Information Services Inc	COMMON STOCK	31620M106	3,068	21,822	SH		SOLE		21,822	0	0
General Electric	COMMON STOCK	369604103	192	14,625	SH		SOLE		14,625	0	0
General Mills Inc.	COMMON STOCK	370334104	422	6,890	SH		SOLE		6,890	0	0
Global Payments Inc	COMMON STOCK	37940X102	3,433	17,029	SH		SOLE		17,029	0	0
Grainger W W Inc	COMMON STOCK	384802104	344	859	SH		SOLE		859	0	0
Grayscale Bitcoin Trust (BTC)	COMMON STOCK	389637109	241	4,811	SH		SOLE		4,811	0	0
Hca Holdings Inc	COMMON STOCK	40412C101	228	1,210	SH		SOLE		1,210	0	0
Hewlett Packard Company	COMMON STOCK	40434L105	227	7,165	SH		SOLE		7,165	0	0
Home Depot	COMMON STOCK	437076102	18,526	60,690	SH		SOLE		60,690	0	0
Honeywell	COMMON STOCK	438516106	3,564	16,417	SH		SOLE		16,417	0	0
Illinois Tool Works Inc	COMMON STOCK	452308109	6,859	30,963	SH		SOLE		30,963	0	0
Intel Corporation	COMMON STOCK	458140100	20,012	312,685	SH		SOLE		312,685	0	0
Int'l Business Machines Corp	COMMON STOCK	459200101	542	4,066	SH		SOLE		4,066	0	0
Intuit Inc	COMMON STOCK	461202103	3,066	8,005	SH		SOLE		8,005	0	0
Invesco S&P 500R Equal Weight Tech ETF	COMMON STOCK	46137V282	650	2,410	SH		SOLE		2,410	0	0
iShares Russell 1000 ETF	COMMON STOCK	464287622	4,884	21,818	SH		SOLE		21,818	0	0
iShares S&P 500 Growth	COMMON STOCK	464287309	406	6,240	SH		SOLE		6,240	0	0
iShares S&P 500 Value	COMMON STOCK	464287408	325	2,304	SH		SOLE		2,304	0	0
iShares Tr Comex Gold	COMMON STOCK	464285105	176	10,800	SH		SOLE		10,800	0	0
Johnson & Johnson	COMMON STOCK	478160104	12,988	79,027	SH		SOLE		79,027	0	0
JP Morgan Chase	COMMON STOCK	46625H100	6,694	43,976	SH		SOLE		43,976	0	0
Littelfuse Inc	COMMON STOCK	537008104	3,889	14,705	SH		SOLE		14,705	0	0
Lockheed Martin	COMMON STOCK	539830109	5,330	14,426	SH		SOLE		14,426	0	0
Mastercard Inc	COMMON STOCK	57636Q104	4,798	13,475	SH		SOLE		13,475	0	0
McCormick & Co., Inc.	COMMON STOCK	579780206	13,352	149,750	SH		SOLE		149,750	0	0
McDonald's	COMMON STOCK	580135101	10,020	44,702	SH		SOLE		44,702	0	0
Medtronic PLC	COMMON STOCK	G5960L103	11,690	98,959	SH		SOLE		98,959	0	0
Merck & Co.	COMMON STOCK	58933Y105	475	6,158	SH		SOLE		6,158	0	0
Micron Technologies	COMMON STOCK	595112103	3,375	38,259	SH		SOLE		38,259	0	0
Microsoft Corporation	COMMON STOCK	594918104	34,770	147,473	SH		SOLE		147,473	0	0
Mondelez Intl Inc Cl A	COMMON STOCK	609207105	308	5,269	SH		SOLE		5,269	0	0
MSCI Inc	COMMON STOCK	55354G100	3,370	8,037	SH		SOLE		8,037	0	0
Nasdaq 100 Shares	COMMON STOCK	46090E103	31,974	100,193	SH		SOLE		100,193	0	0
NextEra Energy, Inc.	COMMON STOCK	65339F101	7,104	93,959	SH		SOLE		93,959	0	0
Nike Inc. Cl B	COMMON STOCK	654106103	3,411	25,666	SH		SOLE		25,666	0	0
Nvidia Corp	COMMON STOCK	67066G104	13,864	25,966	SH		SOLE		25,966	0	0
Oracle Corp.	COMMON STOCK	68389X105	360	5,137	SH		SOLE		5,137	0	0
Paypal Holdings Inc	COMMON STOCK	70450Y103	12,675	52,195	SH		SOLE		52,195	0	0
Pepsico Inc	COMMON STOCK	713448108	2,343	16,566	SH		SOLE		16,566	0	0
Pfizer Incorporated	COMMON STOCK	717081103	745	20,573	SH		SOLE		20,573	0	0
Philip Morris International Inc.	COMMON STOCK	718172109	1,125	12,681	SH		SOLE		12,681	0	0
Procter & Gamble	COMMON STOCK	742718109	3,063	22,616	SH		SOLE		22,616	0	0
Public Storage Inc.	COMMON STOCK	74460D109	1,260	5,106	SH		SOLE		5,106	0	0
Quest Diagnostic Inc	COMMON STOCK	74834L100	257	2,001	SH		SOLE		2,001	0	0
Raytheon Technologies Ord	COMMON STOCK	75513E101	673	8,709	SH		SOLE		8,709	0	0
Realty Income Corp	COMMON STOCK	756109104	452	7,117	SH		SOLE		7,117	0	0
Ritchie Bros Auctioneers Inc	COMMON STOCK	767744105	2,220	37,916	SH		SOLE		37,916	0	0
Russell 3000	COMMON STOCK	464287689	621	2,619	SH		SOLE		2,619	0	0
Russell Large Growth	COMMON STOCK	464287614	639	2,631	SH		SOLE		2,631	0	0
Russell Small Cap	COMMON STOCK	464287655	304	1,374	SH		SOLE		1,374	0	0
Salesforce.com, Inc.	COMMON STOCK	79466L302	6,887	32,504	SH		SOLE		32,504	0	0
Sapiens International Corp NV	COMMON STOCK	N7716A151	2,388	75,133	SH		SOLE		75,133	0	0
Schwab S&P 500 Select Sh	COMMON STOCK	808509855	218	3,574	SH		SOLE		3,574	0	0
Sector Spdr Health Fund	COMMON STOCK	81369Y209	236	2,020	SH		SOLE		2,020	0	0
Sector Spdr Util Select	COMMON STOCK	81369Y886	281	4,386	SH		SOLE		4,386	0	0
Service Now Inc	COMMON STOCK	81762P102	7,922	15,841	SH		SOLE		15,841	0	0
Smith A O	COMMON STOCK	831865209	5,248	77,620	SH		SOLE		77,620	0	0
Southern Company	COMMON STOCK	842587107	2,756	44,332	SH		SOLE		44,332	0	0
Stanley Black & Decker	COMMON STOCK	854502101	331	1,660	SH		SOLE		1,660	0	0
Starbucks	COMMON STOCK	855244109	9,153	83,764	SH		SOLE		83,764	0	0
Stryker Corp	COMMON STOCK	863667101	6,395	26,253	SH		SOLE		26,253	0	0
Sysco Corp.	COMMON STOCK	871829107	274	3,483	SH		SOLE		3,483	0	0
Target Corp	COMMON STOCK	87612E106	804	4,058	SH		SOLE		4,058	0	0
Tencent Holdings Ltd ADR	COMMON STOCK	88032Q109	829	10,389	SH		SOLE		10,389	0	0
Texas Instruments Inc	COMMON STOCK	882508104	15,122	80,016	SH		SOLE		80,016	0	0
Thermo Electron Corp.	COMMON STOCK	883556102	3,453	7,566	SH		SOLE		7,566	0	0
Trane Technologies PLC	COMMON STOCK	G8994E103	497	3,000	SH		SOLE		3,000	0	0
Travelers Group Inc	COMMON STOCK	89417E109	536	3,563	SH		SOLE		3,563	0	0
Tyler Technologies Inc	COMMON STOCK	902252105	8,748	20,606	SH		SOLE		20,606	0	0
Union Pacific	COMMON STOCK	907818108	257	1,168	SH		SOLE		1,168	0	0
UnitedHealth Group	COMMON STOCK	91324P102	659	1,772	SH		SOLE		1,772	0	0
V.F. Corporation	COMMON STOCK	918204108	1,219	15,249	SH		SOLE		15,249	0	0
Vanguard 500 Index Fund	COMMON STOCK	922908710	1,839	5,016	SH		SOLE		5,016	0	0
Vanguard Div Appreciation	COMMON STOCK	921908844	2,371	16,122	SH		SOLE		16,122	0	0
Vanguard Dividend Growth	COMMON STOCK	921908604	1,285	37,303	SH		SOLE		37,303	0	0
Vanguard High Dividend Yield Index ETF	COMMON STOCK	921946406	2,286	22,616	SH		SOLE		22,616	0	0
Vanguard Index Tr Extd Mdt Idx Admiral	COMMON STOCK	922908694	1,775	13,245	SH		SOLE		13,245	0	0
Vanguard Index Trust Total Stock Market Index	COMMON STOCK	922908769	20,170	97,586	SH		SOLE		97,586	0	0
Vanguard Mid Cap Index Admiral	COMMON STOCK	922908645	201	732	SH		SOLE		732	0	0
Vanguard PRIMECAP Adm	COMMON STOCK	921936209	229	1,353	SH		SOLE		1,353	0	0
Vanguard Russell 1000	COMMON STOCK	92206C730	23,500	126,883	SH		SOLE		126,883	0	0
Vanguard Total Stock Mkt Idx Adm	COMMON STOCK	922908728	4,371	43,493	SH		SOLE		43,493	0	0
Vanguard US Growth AdmiralT	COMMON STOCK	921910600	212	1,265	SH		SOLE		1,265	0	0
Vanguard Value	COMMON STOCK	922908744	2,900	22,063	SH		SOLE		22,063	0	0
Vanguard Windsor Fund	COMMON STOCK	922018403	259	3,223	SH		SOLE		3,223	0	0
Verizon Communications	COMMON STOCK	92343V104	5,486	94,340	SH		SOLE		94,340	0	0
Visa	COMMON STOCK	92826C839	11,058	52,229	SH		SOLE		52,229	0	0
Wal Mart	COMMON STOCK	931142103	4,091	30,117	SH		SOLE		30,117	0	0
Walgreens Boots Allianc	COMMON STOCK	931427108	253	4,600	SH		SOLE		4,600	0	0
Waste Management Inc Del	COMMON STOCK	94106L109	1,091	8,458	SH		SOLE		8,458	0	0
Waters Corp	COMMON STOCK	941848103	224	790	SH		SOLE		790	0	0
Watsco Inc	COMMON STOCK	942622200	2,148	8,239	SH		SOLE		8,239	0	0
Wells Fargo	COMMON STOCK	949746101	505	12,938	SH		SOLE		12,938	0	0
Williams Sonoma	COMMON STOCK	969904101	1,557	8,691	SH		SOLE		8,691	0	0
Workday Inc	COMMON STOCK	98138H101	5,767	23,214	SH		SOLE		23,214	0	0
WP Carey Inc.	COMMON STOCK	92936U109	274	3,878	SH		SOLE		3,878	0	0
Xcel Energy Inc	COMMON STOCK	98389B100	1,585	23,835	SH		SOLE		23,835	0	0
Xilinx Inc	COMMON STOCK	983919101	16,689	134,696	SH		SOLE		134,696	0	0
Zimmer Biomet Hldgs Inc	COMMON STOCK	98956P102	289	1,805	SH		SOLE		1,805	0	0
Zoetis Inc Class A	COMMON STOCK	98978V103	2,975	18,894	SH		SOLE		18,894	0	0