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10 Best ITIN Mortgage Lenders in San Francisco

This ranking identifies the ten best ITIN mortgage lenders serving San Francisco homebuyers, homeowners, and investors who lack a Social Security number. It is designed for non-SSN borrowers navigating one of the most expensive housing markets in the country. Each lender was evaluated on program transparency, California market relevance, loan limits, and flexibility for alternative-documentation borrowers.

LoanWise Editorial Team

Isometric view of San Francisco Victorian houses and modern buildings with small figures near a mortgage lending office and the Bay Bridge in the background.

San Francisco presents one of the most challenging and high-stakes homebuying environments in the United States. Median home prices consistently rank among the highest of any major metro, and jumbo loan thresholds are the norm rather than the exception across much of the Bay Area. For borrowers who lack a Social Security number but hold an Individual Taxpayer Identification Number — commonly referred to as an ITIN — accessing mortgage financing in this market requires finding lenders who are not only licensed in California but who have also built dedicated programs for non-traditional borrower documentation.

ITIN mortgages serve a significant and often underserved population: immigrants, foreign nationals, and long-term residents who file taxes, build credit histories, and contribute economically but do not qualify for conventional Fannie Mae or Freddie Mac financing. In a city as economically diverse as San Francisco, the demand for these programs is real and meaningful. The right ITIN lender can provide access to purchase financing, refinancing, and even cash-out options — tools that help borrowers build and leverage equity in a high-appreciation market.

The lenders in this ranking were evaluated based on several key factors:

  • Dedicated ITIN program availability — whether the lender publicly markets and structures a product specifically for ITIN borrowers
  • California and San Francisco market relevance — state licensing, local presence, and geographic focus on the Bay Area
  • Loan limits and LTV flexibility — critical in a high-cost market where borrowing needs routinely exceed conforming limits
  • Product breadth — support for purchase, refinance, and cash-out scenarios
  • Program transparency — publicly disclosed underwriting parameters, rates, and term structures

Whether you are a first-time homebuyer, an existing homeowner exploring refinancing options, or a real estate investor seeking to grow your portfolio in San Francisco, this guide is designed to help you identify the ITIN lenders best positioned to serve your specific needs.

#1

United Federal Credit Union

Direct ITIN mortgage program with high loan limits

Max Loan Amount

$1.5M

Max LTV

80%

Loan Terms

15 or 30 years

Term Options

2

United Federal Credit Union stands out because it publishes a dedicated ITIN mortgage program with both purchase and refinance availability. Its disclosed 15- and 30-year terms, up to $1.5 million loan amounts, and up to 80% LTV make it one of the clearest ITIN options for San Francisco borrowers.
#2

Sierra Lending Corporation

California ITIN specialist for complex borrower profiles

Minimum Loan Amount

$125,000

Fast Closing

2 weeks

States Highlighted

2

Specialty Segments

4

Sierra Lending is highly relevant in San Francisco because it explicitly specializes in ITIN, self-employed, foreign national, and jumbo mortgages in California. That combination is particularly useful in a high-balance market where flexibility and speed matter.
#3

Capital Home Mortgage California

California-focused ITIN lender for purchase and cash-out

Core Use Cases

3

State Focus

California

Borrower Type

ITIN

Metro Relevance

San Francisco

Capital Home Mortgage California positions itself directly as a California ITIN mortgage lender, which is a strong signal for relevance and product focus. Its published emphasis on purchase, refinance, and cash-out gives San Francisco borrowers multiple execution paths.
4
#4

Patron Mortgage

San Francisco-area broker with explicit ITIN support

Availability

7 days a week

NMLS

1747739

State License Presence

California

Key Local Market

San Francisco

Patron Mortgage earns a high rank for local relevance because it maintains a San Francisco location page and specifically references ITIN loan support through California-licensed lenders. This local-market positioning can be useful for Bay Area homebuyers needing hands-on broker guidance.
5
#5

Westpark Loans

California-only ITIN broker for in-state properties

States Allowed

California Only

State Focus

1

Borrower Type

ITIN

Property Scope

California properties

Westpark Loans is notably relevant because it states its ITIN program is currently structured for California properties due to licensing requirements. That state-specific focus improves confidence for San Francisco borrowers seeking compliant ITIN financing.
6
#6

NetCORE Lending

Southern California ITIN lender with digital pre-qualification

State Focus

California

Borrower Type

ITIN

Primary Delivery

Online pre-qualification

Local Base

Glendora

NetCORE Lending is attractive for borrowers who value speed and a more modern intake process, with a dedicated ITIN loan page and online pre-qualification emphasis. Its California footprint keeps it relevant for San Francisco borrowers seeking flexible nontraditional documentation paths.
7
#7

Home Central Financial

California ITIN lender with live mortgage rate visibility

30-Year Fixed Rate

6.455%

30-Year Fixed APR

6.61%

15-Year Fixed Rate

5.885%

15-Year Fixed APR

6.08%

30-Year Refinance Rate

6.580%

30-Year Refinance APR

6.73%

Home Central Financial is relevant because it directly states borrowers can qualify using an ITIN without a Social Security number and also posts live mortgage rates. That transparency can help San Francisco borrowers compare execution more efficiently.
8
#8

Redwood Credit Union

Member-focused credit union serving eligible Bay Area borrowers

Borrower ID Type

ITIN

Required Additional Document Type

Employment authorization

County Relevance

San Francisco County

Membership Model

Credit union

Redwood Credit Union is locally relevant because its ITIN mortgage program includes service territory that reaches San Francisco County. It is a useful niche option for eligible members who fit its documented borrower profile and geographic footprint.
9
#9

Francisco Williams

Southern California ITIN option with alternative documentation focus

NMLS

1858674

Published Credit Score

640

State Focus

California

Primary Use

Primary residence

Francisco Williams markets ITIN mortgage financing for California borrowers and emphasizes flexible documentation, which can help underserved applicants. It ranks lower mainly because the cited coverage appears more Southern California-centric than San Francisco-centric.
10
#10

Flagstar Bank

Scaled national lender with ITIN program credibility

Institution Type

Bank

Geographic Reach

National

State Relevance

California

Borrower Program Type

ITIN

Flagstar Bank makes the list because its national mortgage scale and established ITIN program add credibility for borrowers who prefer a larger institution. It ranks below specialized California lenders because San Francisco-specific ITIN visibility is less direct in the provided research set.

●Conclusion

Choosing the right ITIN mortgage lender in San Francisco is not simply a matter of finding any lender willing to accept an Individual Taxpayer Identification Number. Given the scale of the Bay Area housing market, borrowers should approach this decision with the same analytical rigor they would apply to any major financial commitment. The lenders in this ranking differ meaningfully in structure, program depth, and local presence — and those differences matter.

Start by aligning your loan size needs with each lender's published limits. San Francisco properties routinely require financing well above conventional conforming thresholds, making high loan ceilings and jumbo ITIN eligibility critical filters. Next, assess your documentation situation: some lenders in this list are structured as direct lenders with standardized underwriting frameworks, while others operate as brokers who place files with partner lenders — each model carries different implications for consistency, speed, and outcome predictability.

Pay close attention to LTV requirements, as ITIN programs frequently require higher down payments than conventional financing. Understanding your available equity or down payment position up front will help you quickly narrow the field. If closing speed matters — particularly in a competitive offer environment — prioritize lenders who explicitly advertise fast timelines and have the local operational capacity to deliver on that promise in the Bay Area market.

Rate transparency is another differentiator worth weighing. Lenders who publish live rates or clear APR ranges allow for more efficient comparison shopping, though it is important to confirm whether those published figures apply directly to ITIN loan scenarios or reflect broader product lines. Always request scenario-specific quotes before drawing conclusions.

Finally, consider the human element. San Francisco's real estate market moves quickly, and having a lender or broker who understands local market norms, appraisal dynamics, and the unique documentation needs of ITIN borrowers can meaningfully improve your experience and your outcome. Compare at least two to three options from this list before committing, and align your choice with the full picture of your financing strategy — not just the rate.

Keywords:Mortgage