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
Estimated average burden
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	2,332	11,781	SH		SOLE		11,781	0	0
Abbott Laboratories	COMMON STOCK	002824100	15,623	129,141	SH		SOLE		129,141	0	0
AbbVie Inc.	COMMON STOCK	00287Y109	1,313	11,292	SH		SOLE		11,292	0	0
Aberdeen Standard Physical Gold Shares ETF	COMMON STOCK	00326A104	1,813	104,066	SH		SOLE		104,066	0	0
Accenture PLC A	COMMON STOCK	G1151C101	11,773	37,058	SH		SOLE		37,058	0	0
Adobe Systems Inc	COMMON STOCK	00724F101	3,572	5,746	SH		SOLE		5,746	0	0
Agilent Technologies Inc	COMMON STOCK	00846U101	623	4,068	SH		SOLE		4,068	0	0
Alibaba Group Hldg Adr	COMMON STOCK	01609W102	2,788	14,284	SH		SOLE		14,284	0	0
Alphabet Inc A	COMMON STOCK	02079K305	23,709	8,799	SH		SOLE		8,799	0	0
Alphabet Inc C	COMMON STOCK	02079K107	2,274	841	SH		SOLE		841	0	0
Altria Group	COMMON STOCK	02209S103	1,049	21,836	SH		SOLE		21,836	0	0
Amazon.com Inc	COMMON STOCK	023135106	15,670	4,709	SH		SOLE		4,709	0	0
Amgen, Inc.	COMMON STOCK	031162100	2,400	9,936	SH		SOLE		9,936	0	0
Amphenol Corp Cl A	COMMON STOCK	032095101	2,171	29,955	SH		SOLE		29,955	0	0
Ansys Inc	COMMON STOCK	03662Q105	2,759	7,489	SH		SOLE		7,489	0	0
Anthem Inc	COMMON STOCK	036752103	3,785	9,856	SH		SOLE		9,856	0	0
Apple Computer Inc	COMMON STOCK	037833100	27,850	190,937	SH		SOLE		190,937	0	0
AT&T Inc.	COMMON STOCK	00206R102	475	16,943	SH		SOLE		16,943	0	0
Atlassian Corporation PLC	COMMON STOCK	G06242104	5,416	16,658	SH		SOLE		16,658	0	0
Auto Data Processing	COMMON STOCK	053015103	13,951	66,549	SH		SOLE		66,549	0	0
Bank of America Corp	COMMON STOCK	060505104	706	18,400	SH		SOLE		18,400	0	0
Berkshire Hathaway Cl B	COMMON STOCK	084670702	9,440	33,921	SH		SOLE		33,921	0	0
Black Hills Corp	COMMON STOCK	092113109	752	11,120	SH		SOLE		11,120	0	0
Blackrock Inc	COMMON STOCK	09247X101	4,523	5,216	SH		SOLE		5,216	0	0
Blackstone Group Lp	COMMON STOCK	09260D107	242	2,100	SH		SOLE		2,100	0	0
Booking Holdings Inc	COMMON STOCK	09857L108	3,224	1,480	SH		SOLE		1,480	0	0
Bristol-Myers Squibb	COMMON STOCK	110122108	2,408	35,473	SH		SOLE		35,473	0	0
Broadcom Ltd	COMMON STOCK	11135F101	3,930	8,096	SH		SOLE		8,096	0	0
Canadian Natl Ry Co	COMMON STOCK	136375102	7,526	69,279	SH		SOLE		69,279	0	0
Caterpillar Inc.	COMMON STOCK	149123101	527	2,548	SH		SOLE		2,548	0	0
Charles River Labs Hldg	COMMON STOCK	159864107	3,722	9,147	SH		SOLE		9,147	0	0
Chevron Corp	COMMON STOCK	166764100	307	3,020	SH		SOLE		3,020	0	0
Chubb Ltd	COMMON STOCK	H1467J104	2,831	16,780	SH		SOLE		16,780	0	0
Church & Dwight Co Inc	COMMON STOCK	171340102	6,278	72,506	SH		SOLE		72,506	0	0
Cisco Systems	COMMON STOCK	17275R102	4,639	83,777	SH		SOLE		83,777	0	0
Clorox Co.	COMMON STOCK	189054109	267	1,475	SH		SOLE		1,475	0	0
Coca-Cola Co.	COMMON STOCK	191216100	1,047	18,359	SH		SOLE		18,359	0	0
Cognex Corp	COMMON STOCK	192422103	4,327	47,861	SH		SOLE		47,861	0	0
COINBASE GLOBAL CL A ORD	COMMON STOCK	19260Q107	1,233	5,210	SH		SOLE		5,210	0	0
Comcast Corp Class A	COMMON STOCK	20030N101	262	4,453	SH		SOLE		4,453	0	0
Costco Wholesale Corp	COMMON STOCK	22160K105	2,113	4,916	SH		SOLE		4,916	0	0
Cummins Inc	COMMON STOCK	231021106	2,999	12,923	SH		SOLE		12,923	0	0
CVS Corp Del	COMMON STOCK	126650100	205	2,486	SH		SOLE		2,486	0	0
Diageo PLC ADR	COMMON STOCK	25243Q205	1,578	7,963	SH		SOLE		7,963	0	0
Dominion Res Inc Va New	COMMON STOCK	25746U109	737	9,849	SH		SOLE		9,849	0	0
Dover Corporation	COMMON STOCK	260003108	288	1,725	SH		SOLE		1,725	0	0
Dow Jones Industrial Average	COMMON STOCK	78467X109	1,388	3,971	SH		SOLE		3,971	0	0
Ecolab Inc	COMMON STOCK	278865100	7,657	34,672	SH		SOLE		34,672	0	0
Edwards Lifesciences Corp	COMMON STOCK	28176E108	4,793	42,691	SH		SOLE		42,691	0	0
Emerson Electric Company	COMMON STOCK	291011104	1,993	19,756	SH		SOLE		19,756	0	0
EOG Resources	COMMON STOCK	26875P101	960	13,175	SH		SOLE		13,175	0	0
Equinix Inc	COMMON STOCK	29444U700	5,412	6,597	SH		SOLE		6,597	0	0
Expeditors Int'l	COMMON STOCK	302130109	825	6,430	SH		SOLE		6,430	0	0
Exxon Mobil Corp	COMMON STOCK	30231G102	1,937	33,650	SH		SOLE		33,650	0	0
Facebook Inc Class A	COMMON STOCK	30303M102	13,636	38,270	SH		SOLE		38,270	0	0
Falcon Oil & Gas Ltd	COMMON STOCK	306071101	16	200,000	SH		SOLE		200,000	0	0
Fastenal Co	COMMON STOCK	311900104	3,061	55,892	SH		SOLE		55,892	0	0
Fidelity National Information Services Inc	COMMON STOCK	31620M106	3,201	21,477	SH		SOLE		21,477	0	0
General Electric	COMMON STOCK	369604301	189	14,625	SH		SOLE		14,625	0	0
General Mills Inc.	COMMON STOCK	370334104	368	6,250	SH		SOLE		6,250	0	0
Global Payments Inc	COMMON STOCK	37940X102	3,303	17,077	SH		SOLE		17,077	0	0
Grainger W W Inc	COMMON STOCK	384802104	382	859	SH		SOLE		859	0	0
Grayscale Bitcoin Trust (BTC)	COMMON STOCK	389637109	311	8,955	SH		SOLE		8,955	0	0
Hca Holdings Inc	COMMON STOCK	40412C101	300	1,210	SH		SOLE		1,210	0	0
Hewlett Packard Company	COMMON STOCK	40434L105	207	7,165	SH		SOLE		7,165	0	0
Home Depot	COMMON STOCK	437076102	18,937	57,700	SH		SOLE		57,700	0	0
Honeywell	COMMON STOCK	438516106	3,982	17,034	SH		SOLE		17,034	0	0
Illinois Tool Works Inc	COMMON STOCK	452308109	6,896	30,421	SH		SOLE		30,421	0	0
Intel Corporation	COMMON STOCK	458140100	14,882	277,032	SH		SOLE		277,032	0	0
Int'l Business Machines Corp	COMMON STOCK	459200101	546	3,875	SH		SOLE		3,875	0	0
Intuit Inc	COMMON STOCK	461202103	4,369	8,244	SH		SOLE		8,244	0	0
Invesco NASDAQ 100 ETF	COMMON STOCK	46138G649	670	4,473	SH		SOLE		4,473	0	0
Invesco S&P 500R Equal Weight Tech ETF	COMMON STOCK	46137V282	692	2,318	SH		SOLE		2,318	0	0
Investment Co Of America	COMMON STOCK	461308108	202	3,979	SH		SOLE		3,979	0	0
iShares Russell 1000 ETF	COMMON STOCK	464287622	5,346	21,630	SH		SOLE		21,630	0	0
iShares S&P 500 Growth	COMMON STOCK	464287309	471	6,240	SH		SOLE		6,240	0	0
iShares S&P 500 Value	COMMON STOCK	464287408	343	2,304	SH		SOLE		2,304	0	0
iShares Tr Nasdaq Bio Fd	COMMON STOCK	464287556	202	1,218	SH		SOLE		1,218	0	0
Johnson & Johnson	COMMON STOCK	478160104	12,674	73,602	SH		SOLE		73,602	0	0
JP Morgan Chase	COMMON STOCK	46625H100	7,274	47,926	SH		SOLE		47,926	0	0
Littelfuse Inc	COMMON STOCK	537008104	3,548	13,337	SH		SOLE		13,337	0	0
Lockheed Martin	COMMON STOCK	539830109	5,021	13,509	SH		SOLE		13,509	0	0
Mastercard Inc	COMMON STOCK	57636Q104	5,425	14,057	SH		SOLE		14,057	0	0
McCormick & Co., Inc.	COMMON STOCK	579780206	11,080	131,638	SH		SOLE		131,638	0	0
McDonald's	COMMON STOCK	580135101	10,669	43,957	SH		SOLE		43,957	0	0
Medtronic PLC	COMMON STOCK	G5960L103	11,507	87,630	SH		SOLE		87,630	0	0
Merck & Co.	COMMON STOCK	58933Y105	473	6,158	SH		SOLE		6,158	0	0
Micron Technologies	COMMON STOCK	595112103	3,023	38,967	SH		SOLE		38,967	0	0
Microsoft Corporation	COMMON STOCK	594918104	41,564	145,884	SH		SOLE		145,884	0	0
Mondelez Intl Inc Cl A	COMMON STOCK	609207105	333	5,269	SH		SOLE		5,269	0	0
MSCI Inc	COMMON STOCK	55354G100	4,744	7,961	SH		SOLE		7,961	0	0
Nasdaq 100 Shares	COMMON STOCK	46090E103	27,129	74,414	SH		SOLE		74,414	0	0
NextEra Energy, Inc.	COMMON STOCK	65339F101	7,141	91,664	SH		SOLE		91,664	0	0
Nike Inc. Cl B	COMMON STOCK	654106103	4,311	25,736	SH		SOLE		25,736	0	0
Nvidia Corp	COMMON STOCK	67066G104	19,733	101,201	SH		SOLE		101,201	0	0
Oracle Corp.	COMMON STOCK	68389X105	448	5,137	SH		SOLE		5,137	0	0
Paypal Holdings Inc	COMMON STOCK	70450Y103	14,112	51,217	SH		SOLE		51,217	0	0
Pepsico Inc	COMMON STOCK	713448108	2,605	16,596	SH		SOLE		16,596	0	0
Pfizer Incorporated	COMMON STOCK	717081103	961	22,448	SH		SOLE		22,448	0	0
Philip Morris International Inc.	COMMON STOCK	718172109	1,269	12,681	SH		SOLE		12,681	0	0
Procter & Gamble	COMMON STOCK	742718109	3,078	21,643	SH		SOLE		21,643	0	0
Public Storage Inc.	COMMON STOCK	74460D109	1,426	4,564	SH		SOLE		4,564	0	0
Quest Diagnostic Inc	COMMON STOCK	74834L100	284	2,001	SH		SOLE		2,001	0	0
Raytheon Technologies Ord	COMMON STOCK	75513E101	757	8,709	SH		SOLE		8,709	0	0
Realty Income Corp	COMMON STOCK	756109104	494	7,031	SH		SOLE		7,031	0	0
Ritchie Bros Auctioneers Inc	COMMON STOCK	767744105	1,151	19,262	SH		SOLE		19,262	0	0
Russell 3000	COMMON STOCK	464287689	682	2,619	SH		SOLE		2,619	0	0
Russell Large Growth	COMMON STOCK	464287614	714	2,544	SH		SOLE		2,544	0	0
Russell Small Cap	COMMON STOCK	464287655	290	1,311	SH		SOLE		1,311	0	0
S&P 500	COMMON STOCK	464287200	5,390	12,239	SH		SOLE		12,239	0	0
Salesforce.com, Inc.	COMMON STOCK	79466L302	8,062	33,322	SH		SOLE		33,322	0	0
Sapiens International Corp NV	COMMON STOCK	N7716A151	993	39,385	SH		SOLE		39,385	0	0
Schwab S&P 500 Select Sh	COMMON STOCK	808509855	227	3,349	SH		SOLE		3,349	0	0
Sector Spdr Health Fund	COMMON STOCK	81369Y209	267	2,020	SH		SOLE		2,020	0	0
Sector Spdr Util Select	COMMON STOCK	81369Y886	289	4,386	SH		SOLE		4,386	0	0
Service Now Inc	COMMON STOCK	81762P102	9,452	16,077	SH		SOLE		16,077	0	0
Smith A O	COMMON STOCK	831865209	5,315	75,577	SH		SOLE		75,577	0	0
Southern Company	COMMON STOCK	842587107	2,363	36,991	SH		SOLE		36,991	0	0
Stanley Black & Decker	COMMON STOCK	854502101	334	1,695	SH		SOLE		1,695	0	0
Starbucks	COMMON STOCK	855244109	10,117	83,312	SH		SOLE		83,312	0	0
Stryker Corp	COMMON STOCK	863667101	6,964	25,702	SH		SOLE		25,702	0	0
Sysco Corp.	COMMON STOCK	871829107	258	3,483	SH		SOLE		3,483	0	0
Target Corp	COMMON STOCK	87612E106	1,082	4,143	SH		SOLE		4,143	0	0
Texas Instruments Inc	COMMON STOCK	882508104	14,736	77,306	SH		SOLE		77,306	0	0
Thermo Electron Corp.	COMMON STOCK	883556102	4,091	7,576	SH		SOLE		7,576	0	0
Trane Technologies PLC	COMMON STOCK	G8994E103	619	3,040	SH		SOLE		3,040	0	0
Travelers Group Inc	COMMON STOCK	89417E109	531	3,563	SH		SOLE		3,563	0	0
Tyler Technologies Inc	COMMON STOCK	902252105	10,020	20,339	SH		SOLE		20,339	0	0
Union Pacific	COMMON STOCK	907818108	243	1,113	SH		SOLE		1,113	0	0
UnitedHealth Group	COMMON STOCK	91324P102	5,385	13,063	SH		SOLE		13,063	0	0
V.F. Corporation	COMMON STOCK	918204108	1,190	14,840	SH		SOLE		14,840	0	0
Vanguard 500 Index Fund	COMMON STOCK	922908710	2,037	5,017	SH		SOLE		5,017	0	0
Vanguard Div Appreciation	COMMON STOCK	921908844	2,322	14,535	SH		SOLE		14,535	0	0
Vanguard Dividend Growth	COMMON STOCK	921908604	1,360	36,012	SH		SOLE		36,012	0	0
Vanguard High Dividend Yield Index ETF	COMMON STOCK	921946406	2,227	21,140	SH		SOLE		21,140	0	0
Vanguard Index Tr Extd Mdt Idx Admiral	COMMON STOCK	922908694	1,874	13,250	SH		SOLE		13,250	0	0
Vanguard Index Trust Total Stock Market Index	COMMON STOCK	922908769	33,428	147,463	SH		SOLE		147,463	0	0
Vanguard Mid Cap Index Admiral	COMMON STOCK	922908645	218	732	SH		SOLE		732	0	0
Vanguard PRIMECAP Adm	COMMON STOCK	921936209	244	1,353	SH		SOLE		1,353	0	0
Vanguard Russell 1000	COMMON STOCK	92206C730	29,446	144,047	SH		SOLE		144,047	0	0
Vanguard S&P 500	COMMON STOCK	922908363	229	568	SH		SOLE		568	0	0
Vanguard Total Stock Mkt Idx Adm	COMMON STOCK	922908728	4,799	43,493	SH		SOLE		43,493	0	0
Vanguard US Growth AdmiralT	COMMON STOCK	921910600	243	1,265	SH		SOLE		1,265	0	0
Vanguard Value	COMMON STOCK	922908744	12,973	93,434	SH		SOLE		93,434	0	0
Vanguard Windsor Fund	COMMON STOCK	922018403	275	3,250	SH		SOLE		3,250	0	0
Verizon Communications	COMMON STOCK	92343V104	4,808	86,194	SH		SOLE		86,194	0	0
Visa	COMMON STOCK	92826C839	12,757	51,776	SH		SOLE		51,776	0	0
Wal Mart	COMMON STOCK	931142103	4,197	29,442	SH		SOLE		29,442	0	0
Walgreens Boots Allianc	COMMON STOCK	931427108	221	4,690	SH		SOLE		4,690	0	0
Waste Management Inc Del	COMMON STOCK	94106L109	1,254	8,459	SH		SOLE		8,459	0	0
Waters Corp	COMMON STOCK	941848103	308	790	SH		SOLE		790	0	0
Watsco Inc	COMMON STOCK	942622200	2,196	7,776	SH		SOLE		7,776	0	0
Wells Fargo	COMMON STOCK	949746101	594	12,938	SH		SOLE		12,938	0	0
Williams Sonoma	COMMON STOCK	969904101	1,288	8,491	SH		SOLE		8,491	0	0
Workday Inc	COMMON STOCK	98138H101	4,575	19,518	SH		SOLE		19,518	0	0
WP Carey Inc.	COMMON STOCK	92936U109	321	3,980	SH		SOLE		3,980	0	0
Xcel Energy Inc	COMMON STOCK	98389B100	1,593	23,335	SH		SOLE		23,335	0	0
Xilinx Inc	COMMON STOCK	983919101	18,643	124,422	SH		SOLE		124,422	0	0
Zimmer Biomet Hldgs Inc	COMMON STOCK	98956P102	295	1,805	SH		SOLE		1,805	0	0
Zoetis Inc Class A	COMMON STOCK	98978V103	3,945	19,460	SH		SOLE		19,460	0	0