# EDGAR Filing Document

**Accession Number:** 0001708872
**File Stem:** 0001580642-25-006944
**Filing Date:** 2025-11
**Character Count:** 11281
**Document Hash:** 945412ea4e372d7980790ad50eb51f50
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001580642-25-006944.hdr.sgml**: 20251103

**ACCESSION NUMBER**: 0001580642-25-006944

**CONFORMED SUBMISSION TYPE**: 13F-HR

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250930

**FILED AS OF DATE**: 20251103

**DATE AS OF CHANGE**: 20251103

**EFFECTIVENESS DATE**: 20251103

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Blankinship & Foster, LLC
- **CENTRAL INDEX KEY:** 0001708872

**ORGANIZATION NAME:**
- **EIN:** 330357690
- **STATE OF INCORPORATION:** CA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-18089
- **FILM NUMBER:** 251444879

**BUSINESS ADDRESS:**
- **STREET 1:** 420 STEVENS AVE
- **STREET 2:** STE. 250
- **CITY:** SOLANA BEACH
- **STATE:** CA
- **ZIP:** 92075
- **BUSINESS PHONE:** 8587555166

**MAIL ADDRESS:**
- **STREET 1:** 420 STEVENS AVE
- **STREET 2:** STE. 250
- **CITY:** SOLANA BEACH
- **STATE:** CA
- **ZIP:** 92075

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 09-30-2025

**Check here if Amendment** [ ] **Amendment Number:** 

**This Amendment (Check only one.):** [ ] is a restatement.

[ ] adds new holdings entries.

**Institutional Investment Manager Filing this Report:**

**Name:** Blankinship  Foster LLC<br>**Address:** 420 Stevens Ave<br>Ste. 250<br>Solana Beach, CA 92075

**Form 13F File Number:** 028-18089

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

**Person Signing this Report on Behalf of Reporting Manager:**

**Name:** Jon Beyrer<br>**Title:** Director/Wealth Manager; CCO<br>**Phone:** 858-755-5166

**Signature, Place, and Date of Signing:**

/s/ Jon Beyrer  Solana Beach, CA  10-29-2025<br>[Signature]  [City, State]  [Date]

**Report Type (Check only one.):**

[x] **13F HOLDINGS REPORT.** (Check here if all holdings of this reporting manager are reported in this report.)

[ ] **13F NOTICE.** (Check here if no holdings are reported in this report, and all holdings are reported by other reporting manager(s).)

[ ] **13F COMBINATION REPORT.** (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

### Form 13F Summary Page

**Report Summary:**

**Number of Other Included Managers:** 0

**Form 13F Information Table Entry Total:** 77

**Form 13F Information Table Value Total:** $457377989

      (round to nearest dollar)

**List of Other Included Managers:**

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.

[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]

**NONE**

### FORM 13F INFORMATION TABLE

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | VOTING AUTHORITY | VOTING AUTHORITY | VOTING AUTHORITY |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | SOLE | SHARED | NONE |
| ISHARES TR | S 500 VAL ETF | 464287408 |  | 794650 | 3848 | SH |  | SOLE |  | 0 | 0 | 3848 |
| ISHARES TR | RUS 1000 GRW ETF | 464287614 |  | 2717990 | 5803 | SH |  | SOLE |  | 0 | 0 | 5803 |
| ISHARES TR | MBS ETF | 464288588 |  | 7782398 | 81791 | SH |  | SOLE |  | 0 | 0 | 81791 |
| VANGUARD STAR FDS | VG TL INTL STK F | 921909768 |  | 1324392 | 18029 | SH |  | SOLE |  | 0 | 0 | 18029 |
| EXXON MOBIL CORP | COM | 30231G102 |  | 547627 | 4857 | SH |  | SOLE |  | 0 | 0 | 4857 |
| ALPHABET INC | CAP STK CL C | 02079K107 |  | 2133985 | 8762 | SH |  | SOLE |  | 0 | 0 | 8762 |
| ISHARES TR | CORE S US GWT | 464287671 |  | 247468 | 1504 | SH |  | SOLE |  | 0 | 0 | 1504 |
| MICROSOFT CORP | COM | 594918104 |  | 1559035 | 3010 | SH |  | SOLE |  | 0 | 0 | 3010 |
| SELECT SECTOR SPDR TR | TECHNOLOGY | 81369Y803 |  | 307791 | 1092 | SH |  | SOLE |  | 0 | 0 | 1092 |
| VANGUARD WHITEHALL FDS | HIGH DIV YLD | 921946406 |  | 2420112 | 17170 | SH |  | SOLE |  | 0 | 0 | 17170 |
| VANGUARD INDEX FDS | TOTAL STK MKT | 922908769 |  | 33892340 | 103277 | SH |  | SOLE |  | 0 | 0 | 103277 |
| ISHARES TR | CORE S ETF | 464287200 |  | 770712 | 1152 | SH |  | SOLE |  | 0 | 0 | 1152 |
| BERKSHIRE HATHAWAY INC DEL | CL A | 084670108 |  | 3771000 | 5 | SH |  | SOLE |  | 0 | 0 | 5 |
| VANGUARD INTL EQUITY INDEX F | FTSE EMR MKT ETF | 922042858 |  | 16289347 | 300652 | SH |  | SOLE |  | 0 | 0 | 300652 |
| KINDER MORGAN INC DEL | COM | 49456B101 |  | 425697 | 15037 | SH |  | SOLE |  | 0 | 0 | 15037 |
| VANGUARD MUN BD FDS | TAX EXEMPT BD | 922907746 |  | 1243840 | 24842 | SH |  | SOLE |  | 0 | 0 | 24842 |
| SCHWAB STRATEGIC TR | US MID-CAP ETF | 808524508 |  | 3015073 | 101723 | SH |  | SOLE |  | 0 | 0 | 101723 |
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 |  | 3598110 | 7157 | SH |  | SOLE |  | 0 | 0 | 7157 |
| GSK PLC | SPONSORED ADR | 37733W204 |  | 208549 | 4832 | SH |  | SOLE |  | 0 | 0 | 4832 |
| ISHARES TR | MSCI EAFE MIN VL | 46429B689 |  | 373106 | 4398 | SH |  | SOLE |  | 0 | 0 | 4398 |
| ONEOK INC NEW | COM | 682680103 |  | 486272 | 6664 | SH |  | SOLE |  | 0 | 0 | 6664 |
| SCHWAB STRATEGIC TR | EMRG MKTEQ ETF | 808524706 |  | 2201579 | 65975 | SH |  | SOLE |  | 0 | 0 | 65975 |
| WALMART INC | COM | 931142103 |  | 254255 | 2467 | SH |  | SOLE |  | 0 | 0 | 2467 |
| PHILIP MORRIS INTL INC | COM | 718172109 |  | 327157 | 2017 | SH |  | SOLE |  | 0 | 0 | 2017 |
| ALTRIA GROUP INC | COM | 02209S103 |  | 290928 | 4404 | SH |  | SOLE |  | 0 | 0 | 4404 |
| CHEVRON CORP NEW | COM | 166764100 |  | 206380 | 1329 | SH |  | SOLE |  | 0 | 0 | 1329 |
| ISHARES TR | CORE US AGGBD ET | 464287226 |  | 10067220 | 100421 | SH |  | SOLE |  | 0 | 0 | 100421 |
| VERIZON COMMUNICATIONS INC | COM | 92343V104 |  | 254954 | 5801 | SH |  | SOLE |  | 0 | 0 | 5801 |
| VANGUARD INDEX FDS | LARGE CAP ETF | 922908637 |  | 2770556 | 8999 | SH |  | SOLE |  | 0 | 0 | 8999 |
| AMAZON COM INC | COM | 023135106 |  | 556390 | 2534 | SH |  | SOLE |  | 0 | 0 | 2534 |
| COSTCO WHSL CORP NEW | COM | 22160K105 |  | 621098 | 671 | SH |  | SOLE |  | 0 | 0 | 671 |
| BOEING CO | COM | 097023105 |  | 329777 | 1528 | SH |  | SOLE |  | 0 | 0 | 1528 |
| NVIDIA CORPORATION | COM | 67066G104 |  | 550224 | 2949 | SH |  | SOLE |  | 0 | 0 | 2949 |
| ISHARES TR | S MC 400VL ETF | 464287705 |  | 275396 | 2123 | SH |  | SOLE |  | 0 | 0 | 2123 |
| VANGUARD SPECIALIZED FUNDS | DIV APP ETF | 921908844 |  | 476064 | 2206 | SH |  | SOLE |  | 0 | 0 | 2206 |
| VANGUARD INDEX FDS | GROWTH ETF | 922908736 |  | 33643196 | 70147 | SH |  | SOLE |  | 0 | 0 | 70147 |
| PFIZER INC | COM | 717081103 |  | 276840 | 10865 | SH |  | SOLE |  | 0 | 0 | 10865 |
| ISHARES TR | 0-5 YR TIPS ETF | 46429B747 |  | 249579 | 2415 | SH |  | SOLE |  | 0 | 0 | 2415 |
| VANGUARD INDEX FDS | VALUE ETF | 922908744 |  | 212785 | 1141 | SH |  | SOLE |  | 0 | 0 | 1141 |
| ISHARES TR | EXPND TEC SC ETF | 464287549 |  | 232630 | 1847 | SH |  | SOLE |  | 0 | 0 | 1847 |
| BRITISH AMERN TOB PLC | SPONSORED ADR | 110448107 |  | 308342 | 5809 | SH |  | SOLE |  | 0 | 0 | 5809 |
| PHILLIPS EDISON  CO INC | COMMON STOCK | 71844V201 |  | 877403 | 25558 | SH |  | SOLE |  | 0 | 0 | 25558 |
| ABBVIE INC | COM | 00287Y109 |  | 3591880 | 15513 | SH |  | SOLE |  | 0 | 0 | 15513 |
| SEAGATE TECHNOLOGY HLDNGS PL | ORD SHS | G7997R103 |  | 607382 | 2573 | SH |  | SOLE |  | 0 | 0 | 2573 |
| JOHNSON  JOHNSON | COM | 478160104 |  | 881362 | 4753 | SH |  | SOLE |  | 0 | 0 | 4753 |
| VANGUARD INDEX FDS | MID CAP ETF | 922908629 |  | 32141832 | 109423 | SH |  | SOLE |  | 0 | 0 | 109423 |
| ISHARES INC | CORE MSCI EMKT | 46434G103 |  | 1293123 | 19617 | SH |  | SOLE |  | 0 | 0 | 19617 |
| VANGUARD INTL EQUITY INDEX F | ALLWRLD EX US | 922042775 |  | 45430873 | 636554 | SH |  | SOLE |  | 0 | 0 | 636554 |
| SCHWAB STRATEGIC TR | US BRD MKT ETF | 808524102 |  | 580348 | 22573 | SH |  | SOLE |  | 0 | 0 | 22573 |
| ISHARES TR | RUSSELL 2000 ETF | 464287655 |  | 327856 | 1355 | SH |  | SOLE |  | 0 | 0 | 1355 |
| ISHARES TR | 0-5YR HI YL CP | 46434V407 |  | 918296 | 21208 | SH |  | SOLE |  | 0 | 0 | 21208 |
| AMER STATES WTR CO | COM | 029899101 |  | 253870 | 3462 | SH |  | SOLE |  | 0 | 0 | 3462 |
| ISHARES TR | RUS 2000 VAL ETF | 464287630 |  | 210243 | 1189 | SH |  | SOLE |  | 0 | 0 | 1189 |
| ISHARES TR | HDG MSCI EAFE | 46434V803 |  | 32653393 | 824372 | SH |  | SOLE |  | 0 | 0 | 824372 |
| ABBOTT LABS | COM | 002824100 |  | 1615182 | 12059 | SH |  | SOLE |  | 0 | 0 | 12059 |
| DBX ETF TR | XTRACK MSCI EAFE | 233051200 |  | 25887954 | 557690 | SH |  | SOLE |  | 0 | 0 | 557690 |
| DIMENSIONAL ETF TRUST | US CORE EQT MKT | 25434V104 |  | 124714312 | 2725400 | SH |  | SOLE |  | 0 | 0 | 2725400 |
| META PLATFORMS INC | CL A | 30303M102 |  | 503785 | 686 | SH |  | SOLE |  | 0 | 0 | 686 |
| JEFFERIES FINL GROUP INC | COM | 47233W109 |  | 244736 | 3741 | SH |  | SOLE |  | 0 | 0 | 3741 |
| ALPHABET INC | CAP STK CL A | 02079K305 |  | 1886456 | 7760 | SH |  | SOLE |  | 0 | 0 | 7760 |
| SPDR S 500 ETF TR | TR UNIT | 78462F103 |  | 4980055 | 7476 | SH |  | SOLE |  | 0 | 0 | 7476 |
| ISHARES TR | RUS 1000 ETF | 464287622 |  | 771332 | 2110 | SH |  | SOLE |  | 0 | 0 | 2110 |
| ISHARES TR | S 500 GRWT ETF | 464287309 |  | 1317333 | 10912 | SH |  | SOLE |  | 0 | 0 | 10912 |
| QUALCOMM INC | COM | 747525103 |  | 2132389 | 12818 | SH |  | SOLE |  | 0 | 0 | 12818 |
| VODAFONE GROUP PLC NEW | SPONSORED ADR | 92857W308 |  | 242579 | 20912 | SH |  | SOLE |  | 0 | 0 | 20912 |
| VANGUARD WORLD FD | HEALTH CAR ETF | 92204A504 |  | 366750 | 1413 | SH |  | SOLE |  | 0 | 0 | 1413 |
| ISHARES TR | US CONSM STAPLES | 464287812 |  | 467125 | 6830 | SH |  | SOLE |  | 0 | 0 | 6830 |
| APPLE INC | COM | 037833100 |  | 4765246 | 18714 | SH |  | SOLE |  | 0 | 0 | 18714 |
| AMERICAN WTR WKS CO INC NEW | COM | 030420103 |  | 214214 | 1539 | SH |  | SOLE |  | 0 | 0 | 1539 |
| CATERPILLAR INC | COM | 149123101 |  | 680416 | 1426 | SH |  | SOLE |  | 0 | 0 | 1426 |
| ISHARES TR | CORE S MCP ETF | 464287507 |  | 1692680 | 25937 | SH |  | SOLE |  | 0 | 0 | 25937 |
| VANGUARD WORLD FD | CONSUM STP ETF | 92204A207 |  | 17186668 | 80413 | SH |  | SOLE |  | 0 | 0 | 80413 |
| AT INC | COM | 00206R102 |  | 314961 | 11153 | SH |  | SOLE |  | 0 | 0 | 11153 |
| INTERNATIONAL BUSINESS MACHS | COM | 459200101 |  | 367064 | 1301 | SH |  | SOLE |  | 0 | 0 | 1301 |
| ISHARES TR | MSCI EAFE ETF | 464287465 |  | 8693217 | 93105 | SH |  | SOLE |  | 0 | 0 | 93105 |
| SUMMIT THERAPEUTICS INC | COM | 86627T108 |  | 263973 | 12777 | SH |  | SOLE |  | 0 | 0 | 12777 |
| BLACKSTONE INC | COM | 09260D107 |  | 286857 | 1679 | SH |  | SOLE |  | 0 | 0 | 1679 |

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