Southern California’s housing market is more unaffordable than ever. With median home prices hovering in the high $800,000s and mortgage rates around 6–7%, most SoCal buyers find solo ownership out of reach. For example, by late 2025, only about 13–17% of households in Los Angeles or Orange County could afford a median-priced home. Even statewide, just 18% of California families have the income needed for the $869,000 median house. Incomes have not kept pace: Californians now need much higher pay or savings than before just to qualify for a mortgage.

This crisis has Californians asking “How can I afford a home in Southern California? ” One answer that’s rising in popularity is co-buying: teaming up with friends, siblings, or relatives to purchase a home together. By pooling incomes and sharing costs, co-ownership can make a house more attainable. But is it right for you? This in-depth guide explains how co-buying works in California and the pros and cons of co-buying a house in SoCal today. We’ll cover everything from mortgage rules and legal structure to real-life tips, so you can decide wisely if joint ownership is your path to homeownership in 2026.

Why Co-Buying Is Trending in SoCal

California has some of the highest housing costs in the nation. In fact, mid-tier CA homes average about $755,000, more than double the U.S. median. Coastal Southern California prices are often even higher. For example, in June 2025, the 6-county SoCal median price was about $875,000. That’s a dramatic jump from just a few years prior. Meanwhile, incomes haven’t kept up, so the share of Californians who can qualify for a home loan has fallen sharply.

Faced with this squeeze, many buyers are thinking outside the box. Co-buying, sharing a purchase with others, is no longer rare. In 2024 surveys, roughly 15% of Americans reported buying a home with a friend or family member. Nationwide, more first-time buyers now team up rather than go it alone. Southern California is no exception. As one reporter notes, “housing is incredibly expensive in the United States,” and more people are co-buying with friends and relatives to afford it.

Teaming up doubles your buying power. When two or more people join forces, mortgage lenders consider all incomes and savings together, making it possible to qualify for a larger loan. According to Zillow, an individual at the median income might afford only a quarter of the listings they would as a two-person household. In simple terms, two wallets open the door to many more homes. This “people are coming with friends” trend reflects the stark reality that solo buying simply doesn’t cut it for many Californians right now.

How Co-Buying Works in California

Basic Concept

Co-buying (also called co-ownership) means two or more people purchase a property together and share title and debt. These parties could be married partners, domestic partners, friends, siblings, or extended family. In California, you can co-own property even if you are not related or married. All co-buyers sign the mortgage and deed, putting their names on the loan and title. Everyone is equally responsible (unless you structure it otherwise) for loan payments and upkeep.

Co-buyers share the down payment and monthly costs. They pool savings for the down payment and each pays part of the mortgage, taxes, insurance, and maintenance. This makes each person’s share of costs much lower than if they bought alone. For young professionals, friends with similar goals, or family members, co-buying can achieve homeownership sooner than trying to save alone.

Mortgage and Application

In practice, co-buyers usually apply for a joint mortgage (often a single loan with all names listed). The lender underwrites all applicants as a group. This means:

• Combined income and credit: The bank looks at all buyers’ income, credit scores, and debts together. A co-buyer with high income can help someone with less income qualify. Conversely, a low credit score on one buyer can hurt all, so partners should vet each other’s finances first.
• Debt-to-income (DTI): Lenders add up everyone’s debts and income. If the overall debt is too high, the loan may be denied. Fortunately, because each person’s debts are spread across the group, a single member’s debt burden is reduced.
• Each person on the loan: All co-buyers must typically sign the mortgage documents. They all become legally responsible. If one person misses a payment, it affects all of their credit. “All co-buyers share accountability for the loan,” notes Allied Residential Mortgage.
• No special “friend mortgage”: Under U.S. rules, there’s no prohibition on non-spouses co-buying. You don’t need any special loan program; you just qualify as a group of borrowers.

Title and Ownership Structure

How you hold title in California can shape your rights. The two common structures are:

• Joint Tenancy: Each owner holds an equal share. Crucially, joint tenancy includes right of survivorship. If one owner dies, their share automatically goes to the other owner(s). (This is why married couples often use joint tenancy.)
• Tenancy in Common (TIC): Owners can hold unequal shares. For example, one person could own 60% and another 40%. There is no right of survivorship: if an owner dies, their share passes according to their will. A TIC is common when contributions differ or when friends/business partners co-own.

Which is better depends on your situation. Joint tenancy is simpler for two equals (like spouses or equal partners). TIC offers flexibility for unequal investment or more owners. Regardless, you should decide on a title structure early because it’s hard to change later.

Pros of Co-Buying with Friends or Family

1. Shared Costs and Higher Budget. The biggest advantage is financial. Two or more buyers can combine incomes and savings to cover a bigger down payment and secure a larger loan. In SoCal, that could mean affording a home in a better location or newer building. As a result, co-buyers often qualify for homes that none could buy alone. For example, a recent Zillow analysis notes that solo buyers are at a big disadvantage: the average person needs a “$17,000 raise” to afford a typical home alone. Co-buying with a friend or sibling automatically boosts affordability.
2. Lower Individual Payment. By splitting the mortgage, each person’s monthly payment is much smaller. If two friends split a $4,000/month mortgage, they each pay $2,000, which might be doable even if $4,000 is not. This also lowers each person’s debt-to-income ratio, making loan approval easier. Similarly, property taxes, insurance, and maintenance costs are shared.
3. Faster Equity Building. Buying together can help people build equity sooner. Instead of one person renting for years, two incomes go toward the mortgage, so both co-buyers become homeowners and build wealth together. For families, it allows younger relatives to achieve homeownership with parental support.
4. Emotional and Lifestyle Benefits. Beyond dollars, co-buying can be a lifestyle choice. Some people prefer having close company or splitting chores. Millennial and Gen Z buyers often cite companionship as a reason to co-buy. Rather than fearing living alone, friends can enjoy shared living and still have private space. Co-buying can create a built-in support network in your home.
5. Stronger Buying Power in Bidding. In a competitive market, two incomes can make your offer more credible to sellers and lenders. If you both qualify easily, an agent or seller sees a more secure deal. It also means a larger down payment buffer (less risk of loan denial). This can give co-buyers a slight edge in bidding wars.

Cons and Risks of Co-Buying a House

Co-buying can work wonderfully, but it also carries significant risks. Key downsides include the following:

1. Potential for Conflict. Money and property bring disagreements. Friends or siblings may have different views on budgeting, maintenance, usage, or upgrading the home. What if one wants to renovate while the other does not? Oregon real estate groups caution that “escrow won’t save you” from “relationship fallout, money disputes, or ownership confusion." Without clear agreements, any dispute can sour relationships.
2. Credit and Financial Risk. All co-owners share responsibility for the mortgage. If one person stops paying, the others must cover it or face default. This can damage credit for all co-buyers. Likewise, if one partner has a lower credit score, it can drag down loan terms for everyone. You effectively inherit each other’s financial risk.
3. Complexity of Selling or Buying Out. Later on, if circumstances change, ending co-ownership is complicated. If one owner wants to sell or move out, the others must agree. Legally, one tenant cannot force a sale of the entire property without a court partition. In practice, a co-owner who wants out would either need the others to buy their share, or they could file for a partition action, a legal process that can force a sale but is expensive and stressful. It’s not a decision to be taken lightly. (This is one reason experts strongly advise planning an exit strategy in writing before buying.)
4. Difficulty Making Decisions. Owning a home requires ongoing decisions (repairs, remodels, renting out a room, etc.). With multiple owners, you must agree on each move. If you can’t decide, you may waste money or delay necessary actions. For instance, if one wants to rent out part of the house and the other does not, this needs legal clarity in advance.
5. Unwinding the Deal. If life changes (death, divorce, moves), splitting assets can be a headache. If one owner dies, how will the others handle the inherited share? (Joint tenancy vs TIC matters here.) If an unmarried couple or partners break up, who keeps the house? Without planning, co-owners can end up in legal battles. Some experts emphasize treating co-ownership like a “financial marriage” and planning for worst-case scenarios.

Legal and Financial Steps for Co-Buyers

If you decide to pursue co-ownership, don’t skip the paperwork. The single most important step is to draft a co-ownership agreement. This is a written contract between all buyers outlining each person’s share of costs and ownership. It should cover:

• Ownership percentages: Specify who owns what percent (especially important in a TIC).
• Financial contributions: Who pays which bills (mortgage, taxes, repairs)?
• Sale or exit terms: What happens if one party wants to sell or move out? Will others have right of first refusal?
• Death or disability: If a co-owner dies or becomes disabled, what happens to their share? (Especially critical for unmarried co-owners.)
• Dispute resolution: How will disagreements be resolved (mediation, etc.)?

This agreement, combined with your title choice, forms the legal framework of your co-ownership. A real estate attorney can help draft and review it. As Sara Naheedy Law warns: “Co-buying sounds smart, but without legal clarity, it can get messy fast”.

Other key steps:

• Title structure: Decide Joint Tenancy vs Tenancy in Common vs Trust. As noted, joint tenancy has automatic inheritance; TIC allows unequal shares. For non-married friends or multiple buyers, TIC is often preferred since it lets you define shares and wills.
• Mortgage preparation: Each co-buyer should get pre-approved for a home loan individually, then consider applying together. Discuss credit issues upfront. If one person’s credit is weak, consider a cosigner or adjusting contributions.
• Financial transparency: Share credit scores, debts, and income details among yourselves early. Being open now prevents nasty surprises later.
• Home insurance and title insurance: Make sure the policy names all owners. They should also be listed as insured parties to prevent one owner from canceling coverage.
• Consult advisors: Besides an attorney, a tax advisor can explain any tax implications. Sometimes each owner can deduct their share of mortgage interest on taxes, but rules depend on your holding structure.

Tips for a Smooth Co-Buying Experience

• Communicate openly: Before signing anything, discuss goals, budgets, and future plans thoroughly. Check that your lifestyles and home expectations align.
• Set clear roles: Maybe one person handles maintenance while another pays bills on time. Put roles in writing to avoid confusion.
• Emergency fund: Agree to maintain a common emergency fund for unexpected repairs or income loss. This reduces stress if one party hits a financial snag.
• Regular check-ins: Have periodic meetings to review finances and any issues. Think of it like a board meeting for your “home business.”
• Plan for change: Life is unpredictable. Include clauses in your agreement for events like job loss, marriage/divorce, or buyouts.

Remember, even when buying with friends, it’s wise to treat the deal conservatively. Don’t overextend your budget just because two paychecks look promising. Each person should still afford their portion if circumstances change.

Buying a Home with Friends vs. Family

Co-buying with family (parents, siblings, cousins) often works because there may be higher trust and possibly more flexibility in payments. Family members might also feel more obligation to honor agreements. For example, a parent could help with a down payment or co-sign. However, mixing family and money can still strain relationships. Legal agreements are just as important with relatives.

When buying with friends, the dynamic is different. Friends enter into co-ownership by choice, so clear terms are crucial to protect the friendship. Many cities in California, like Los Angeles, have young professionals who choose “platonic co-buying” arrangements. The key is to make sure expectations (vacation uses, household rules, etc.) are spelled out.

Whether family or friend, the advantage is similar: split costs and build equity together. Just be aware that co-owning with a spouse or domestic partner has extra legal features (marital property, community property laws) that unmarried co-buyers don’t have.

Alternative Solutions to Consider

Co-buying is one strategy to afford SoCal housing, but it’s not the only one:

• House hacking: Renting out part of the home (another room or an ADU) to help pay the mortgage. Co-buyers can do this too, sharing the rental income.
• Living in less expensive areas: Some co-buyers choose inland areas (Inland Empire, high desert) where prices are lower. This often comes up as "Should I move inland instead of coastal? ”The tradeoff is commute vs price.
• Waiting it out: With prices projected to stay high but grow slowly, some buyers consider renting longer. According to Zillow and experts, prices in LA/OC are not expected to crash, maybe dip 1-2% by mid-2026. Low supply and high demand mean no quick relief. If renting and saving more money is an option, it might be worth it before a joint purchase.
• Government programs: Look for first-time buyer programs or grants. However, these usually apply per individual household, not combined co-buyers.

Final Thoughts: Is Co-Buying Right for You?

Co-buying a home in Southern California can be a smart path to homeownership in 2026, but only with careful planning. It’s a powerful way to afford more home than you could solo, sharing both down payment and loan costs. In today’s market, combining incomes can move your search from impossibility to possibility.

However, it’s also a serious commitment. As experts caution, co-buying is like a “financial marriage,” so you need the same clarity and agreements you would in a partnership. If you value solidarity and have trustworthy partners, it can unlock homeownership and even a richer living experience. But if you’re uncomfortable with the potential conflicts or legal entanglements, it might not be the right move.

Ultimately, do your homework. Analyze your budget, talk to lenders about a joint mortgage, and consult an attorney on co-ownership agreements. With the right team (like us at Jack Ma Real Estate and other advisors), you can make an informed choice. Co-buying could turn a dream of owning in SoCal into reality, or it could become a costly mistake if done poorly. Weigh the pros and cons carefully, and then act decisively on whatever path you choose.

Good luck on your home-buying journey in Southern California. With the right plan and partners, even the toughest market can be navigated step by step.

Ready to Team Up? Jack Ma Real Estate Can Help

Make Your Southern California Dream Home a Reality. Don’t face the housing crisis alone. Jack Ma Real Estate specializes in helping buyers like you navigate co-buying, joint mortgages, and shared ownership. Our expert agents can guide you through every step: from selecting the right title structure to finding lenders familiar with multi-buyer loans. We partner with attorneys and financial advisors to ensure your co-ownership agreement covers all bases.

With Jack Ma Real Estate by your side, you can:

• Find the right property suited for co-ownership (duplexes, multi-unit homes, etc.).
• Connect with trusted lenders who understand co-borrower loans.
• Draft solid agreements to protect everyone’s investment.
• Coordinate viewings and negotiations that fit multiple schedules.

Contact Jack Ma Real Estate today for a free consultation. Whether you’re pooling funds with family or friends, our team will help you create a winning plan to afford Southern California’s high prices. Don’t let rental inflation or bidding wars hold you back. Together, we’ll help make co-owning a home in SoCal possible.

Frequently Asked Questions

Q1: Can I really buy a house with my friends or family in California?

A: Yes. California law allows multiple unrelated people to co-own property and take out a mortgage together. You would all apply on the loan and share title. Just be sure to create a written co-ownership agreement covering each person’s share and responsibilities. Many Californians are doing this to cope with high prices.

Q2: What is a joint mortgage, and do both names go on it?

A: A joint mortgage means two or more people share one home loan. Yes, all co-buyers who apply will have their names on the mortgage and note. The lender evaluates the combined credit profiles of everyone on the loan. Everyone signing the loan is equally responsible for payments. This can boost your budget (two incomes) but also means if one person misses a payment it affects all their credit scores.

Q3: How do we split ownership if we contribute differently?

A: You can choose tenants in common (TIC) as your title. In a TIC, each owner can hold a different percentage. For example, if one person pays 30% of the down payment and the other 70%, their ownership shares can match those ratios. Joint tenancy, by contrast, always gives equal shares. Your co-ownership agreement should clearly state how title is held and what percentage each person owns.

Q4: What happens if one co-owner wants to sell and the other doesn’t?

A: This is a tough situation. Legally, one co-owner cannot unilaterally sell the entire property without the other’s consent. If you can’t agree, the seller would have to file a partition action in court, which forces a sale of the property. This process can be expensive and damages relationships. It’s much better to plan an exit strategy in advance: for example, agree that if someone wants out, the others have the first right to buy their share, or that the property will be sold at market value. Put this in your co-ownership agreement.

Q5: Can my unmarried partner and I buy a house together in California?

A: Absolutely. Married or not, two (or more) people can co-buy a home in California. You will just both sign the mortgage (if both incomes support it) and share the deed. Many unmarried couples do this, as well as roommates or close friends. One thing to note: without marital rights, it’s extra important to specify what happens if your relationship status changes. A co-ownership agreement (or a legally recorded document) can outline each person’s rights if you break up or if one person passes away.