Solo & Co-Buyer Guide: Buying Alone or with Partners

Buying on a single income in the Fraser Valley is tighter than buying as a couple, but it's not out of reach, the FRIVE team works with solo buyers regularly, and the math usually comes down to three levers: which city, how much FHSA and RRSP you've built up, and whether a co-signer or co-buyer is on the table. This guide covers what a realistic single-income budget looks like in 2026, how co-signing and co-buying actually differ in BC (legally and practically), and what the qualifying numbers look like at Fraser Valley price points.

1 Income
Qualifying Constraint for Solo Buyers
Guarantor
Off-Title Mortgage Support Option
Tenants in Common
Divided Ownership Shares for Partners
Co-Ownership
Legal Contract for Co-Buying Friends

The reality of buying on a single income

For single professionals in the Fraser Valley, purchasing a home on a single salary is a significant financial challenge. With benchmark condo prices hovering around $550,000 in North Surrey and Langley, and townhouses priced at $750,000 or more, the income required to pass the federal stress test is high.

Qualifying for a mortgage alone means your Gross Debt Service (GDS) ratio must fit within 32 to 39% of your gross income, and your Total Debt Service (TDS) ratio must fit within 40 to 44% (including car payments, student loans, and credit card balances).

In response, single buyers are using creative strategies to enter the market. Some buy entry-level condos in Abbotsford or Chilliwack where prices are lower. Others secure parental support to back their mortgages, and an increasing number are choosing to co-buy properties with friends or siblings. At FRIVE, we help buyers structure these single-income and shared purchases safely.

The single-income savings plan: FHSA & HBP

As a solo buyer, your savings speed is naturally limited compared to dual-income couples. This makes maximizing tax-advantaged accounts even more critical:

  • The FHSA: You can contribute up to $8,000 annually, up to a lifetime limit of $40,000. Contributions directly reduce your taxable income, saving you money on your tax return. Withdrawals for your first home are completely tax-free.
  • The RRSP HBP: You can withdraw up to $60,000 tax-free from your RRSP, which must be repaid over 15 years.

A dedicated solo buyer who maxes out both programs can assemble a **$100,000 down payment**. On a $450,000 condo in Abbotsford, this represents a 22% down payment. This enables the buyer to avoid CMHC mortgage insurance premiums, reduce their monthly mortgage principal, and qualify for lower conventional interest rates.

Parental support: Co-signer vs. Guarantor

Many first-time solo buyers rely on parents to help qualify for a mortgage. It is critical to understand the legal differences between a co-signer and a guarantor, as this choice directly impacts your BC Property Transfer Tax (PTT) exemption:

1. Co-Signer (On-Title)

A co-signer is added to the mortgage application and the property title as a co-owner.

  • Qualifying Impact: Their income and assets are added directly to yours, significantly increasing your borrowing capacity.
  • PTT Exemption Impact: Because the parent goes on the title, their percentage share of the property is subject to regular PTT (since they have owned a home before). Your share of the property remains exempt. For example, if you register as 99% owner and the parent is a 1% owner to satisfy the lender, you preserve 99% of the PTT exemption.

2. Guarantor (Off-Title)

A guarantor signs the mortgage covenant agreeing to cover payments if you default, but does not go on the property title.

  • Qualifying Impact: Their income backs the mortgage, but because they hold 0% ownership interest, they do not own the property.
  • PTT Exemption Impact: You remain the 100% owner on the title, allowing you to claim the **100% first-time buyer PTT exemption**.
  • Watchout: Not all lenders accept guarantors. Lenders typically require the primary buyer to have strong enough credit to qualify on their own merits, using the guarantor only as a safety net.
Worked example
Solo Buyer PTT Math: Co-Signer vs. Guarantor on an $800k Townhouse
Purchase Price (Willoughby Townhouse)
$800,000
Standard BC Property Transfer Tax Owed
$14,000
Option A: Parent Co-Signs (50% on-title) - Exempt Portion
50% Exemption (- $7,000)
Option A: Net PTT Paid at Closing
$7,000
Option B: Parent Guarantees (off-title) - Exempt Portion
100% Exemption (- $14,000)
Option B: Net PTT Paid at Closing
$0 (Full Exemption)

Co-buying with friends or siblings: The shared route

Co-buying, partnering with a friend, sibling, or cousin to purchase a home together, is a rapidly growing trend in BC's high-priced urban markets. While co-buying makes the purchase affordable, it is a complex legal arrangement.

Tenancy in Common is mandatory

Unlike couples who register as Joint Tenants, co-buying partners should register the title as **Tenants in Common**. This allows you to register unequal ownership percentages that match your financial contributions. If one partner contributes 70% of the down payment, they can hold a 70% share of the property.

Joint and Several Mortgage Liability

When you sign a mortgage with a co-buyer, you are legally responsible for the entire debt. If your partner loses their job and stops paying their share of the mortgage, the bank will demand the full monthly payment from you. Your personal credit rating is tied to your partner's compliance.

The Co-Ownership Agreement

You must write a legally binding **Co-Ownership Agreement** with a lawyer before writing an offer. This agreement must define:

  1. Monthly Expense Allocation: How are the mortgage, strata fees, insurance, utilities, and repairs divided?
  2. The Exit Strategy: What happens if one partner wants to move, get married, or sell their share? The contract should establish a buyout mechanism, right of first refusal, and property appraisal guidelines.
  3. Dispute Resolution: If you disagree on repairs, renovations, or listing the property, how is the dispute settled? A mediation clause prevents costly court battles.

Entry-level properties in the Fraser Valley

For solo buyers, focusing on entry-level property types is a practical way to enter the market. Older wood-frame condos in Whalley, Guildford, or Abbotsford Centre offer the lowest price points, often trading under $450,000.

While older buildings require checking for upcoming repair assessments (special levies), their lower purchase price reduces the mortgage burden and qualifying income threshold, helping you build equity that can eventually be ported to a larger home.

Questions we get

Frequently asked questions

The questions we hear most often from first-time buyers in actual FRIVE meetings.

Is it harder to qualify for a mortgage as a solo buyer under the stress test?
Yes. Qualifying on a single income is more challenging because your Gross Debt Service (GDS) and Total Debt Service (TDS) ratios are calculated against one salary rather than two. Under the federal stress test, you must qualify at the greater of your contract rate plus 2% or 5.25%. Any existing debts, such as student loans or car leases, will directly reduce your borrowing capacity.
How can a parent help a solo buyer qualify without affecting their PTT exemption?
If a parent acts as a co-signer, they go on the property title as an owner, which prorates the first-time buyer's BC Property Transfer Tax (PTT) exemption based on their registered ownership percentage. If the parent acts as a guarantor, they are legally responsible for the debt but do not hold an ownership share on the title, preserving the buyer's 100% PTT exemption. Lenders must approve guarantor status, which requires the guarantor to have exceptionally strong credit.

Sources

Where these numbers come from

  1. 1OSFI B-20 Residential Mortgage Underwriting Guidelines Office of the Superintendent of Financial Institutions (OSFI). Accessed May 30, 2026.
  2. 2First-Time Home Buyers' Program PTT Exemptions Province of British Columbia. Accessed May 30, 2026.
  3. 3Land Title Act Co-Ownership Registration Land Title and Survey Authority of British Columbia (LTSA). Accessed May 30, 2026.
  4. 4CRA Tax-Free First Home Savings Account (FHSA) Canada Revenue Agency (CRA). Accessed May 30, 2026.

Tax thresholds, program limits, and rates change. We update this page when we notice a change. Before signing anything, verify the current figure with the linked source, or ask your mortgage broker.

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