Buying a Rental Property in San Diego: What to Check First

Reviewed by Brendan McKee, Managing Broker, DRE #01882732, on October 21, 2026.

Before you buy a rental property in San Diego, check which tenant rules cover it, what the existing leases and deposits actually say, whether the rents can rise as fast as your numbers assume, and whether the building carries inspection, HOA or insurance obligations that change the math. Most of these depend on where the property is (the City of San Diego, Chula Vista, Imperial Beach, another city or the unincorporated County), when it was built, how many units it has, and who will own it.

Key takeaways

• Confirm the jurisdiction first: City of San Diego rules do not apply in other cities or the unincorporated County.
• Check whether the property is covered by the state rent cap and local just-cause rules, or exempt, and whether you as the buyer can keep any exemption.
• Existing leases bind you; get copies, a deposit accounting and the tenants' confirmation of terms.
• Compare the rent roll with the 8.2% cap before assuming rent growth.
• Buildings with three or more units and wood-supported elevated balconies or stairs need SB 721 inspections.

1. Which local rules cover the property

Start with the address, not the ZIP code or mailing name, which can cross city lines.

Coronado has its own rules; see the Coronado Rental Guide. The San Diego Tenant Protection Ordinance guide covers the City rules in detail. For neighborhood context, McKee's page on the best San Diego neighborhoods for rental property investment describes areas across the City.

2. Rent cap and just-cause status

State law (AB 1482) caps rent increases and requires just cause after 12 months for most tenancies. The City of San Diego ordinance has the same main exemptions. Check each:

• Newer construction. Housing with a certificate of occupancy issued within the previous 15 years is exempt from both the state cap (Civ. Code § 1947.12) and the City ordinance (§ 98.0703(k)). Get the certificate date from the City or County building records.
• Single-family homes and condos. Exempt only if the owner is not a REIT, a corporation or an LLC with a corporate member, and the tenant received the exact statutory notice. In the City of San Diego, the City's own notice must be in the lease for tenancies started or renewed on or after January 1, 2024 (§ 98.0703(l)). If the seller never gave the notices, the current tenancy is covered.
• Who will own it. If you plan to buy through a corporation or an LLC with a corporate member, the single-family exemption does not apply. Talk to your attorney before you choose the ownership entity.
• Owner-occupied duplexes are exempt while the owner lives in one unit.
• Section 8 tenancies are not exempt from the City ordinance.

3. Existing leases, deposits and the rent roll

When you buy with tenants in place, the leases come with it. The DRE's tenant guide says tenants with a rental agreement "have the right to remain through the end of the rental agreement under the same terms and conditions." Ask the seller for:

1. Every current lease, addendum and renewal, plus any side agreements.
2. A rent roll showing each unit's current rent, the date and amount of the last increase, and any concessions.
3. A deposit accounting. Under Civ. Code § 1950.5(j), the seller must give you a written statement of the deposits remaining, any deductions and whether deposits will be transferred to you or refunded to the tenants. If neither happens, you can become jointly liable for returning them.
4. Tenant estoppel certificates, where you can get them. California has no statute requiring residential estoppels, so this is a contract item; ask for it in the purchase agreement.

After closing, you have 15 days to give tenants your name, address and payment details under Civ. Code § 1962; rent that accrues while you are out of compliance cannot be the basis for a 3-day notice.

Then check the rent roll. For most covered tenancies, the San Diego area cap is 8.2% for increases from August 1, 2026 through July 31, 2027, measured from the lowest rent in the prior 12 months. A unit well below market may stay below market for years. As of October 2026, a state of emergency in San Diego County also means Penal Code § 396 generally limits advertised and charged rent to 10% above pre-emergency levels, stated through November 14, 2026; check whether it has been extended. The tenants in place guide covers the handover, and our San Diego property management overview explains how ongoing management works.

4. Getting a unit back

Do not assume you can move in or empty a tenant-occupied property. In the City of San Diego, owner move-in requires a lease clause allowing it, or the tenant's written agreement, for leases entered on or after June 24, 2023, and the owner or relative must stay 12 months. No-fault endings require two months' rent in relocation, or three for a tenant who is 62 or older or disabled. A sale itself is not just cause under state law.

5. Building obligations

• SB 721 balconies (all of California). Buildings with three or more multifamily units must have exterior elevated elements inspected if they are more than six feet above ground and rely substantially on wood. The first deadline was January 1, 2026; the next cycle runs to January 1, 2032. Ask the seller for the inspection report. The section does not apply to common interest developments such as condo associations. See balcony and deck inspections.
• Lead. For pre-1978 housing, landlords must give the federal lead disclosure and pamphlet at lease signing.
• Water heater bracing. The seller must certify bracing to the buyer in writing (H&S § 19211).
• Rental Unit Business Tax (City of San Diego). Imposed annually on owners of residential rental property, $50 per parcel plus $5 per unit for 1 to 10 units. The City can bill back up to 3 years, so ask whether the seller's account is current.
• Short-term rental licenses (City of San Diego) are not transferable. A buyer cannot take over a seller's license.

For buildings with several units, managing a small apartment building in San Diego covers the ongoing work.

6. HOA rules and insurance

For condos and homes in an association, read the governing documents before you commit. Under Civ. Code §§ 4740 and 4741, an HOA cannot prohibit or unreasonably restrict long-term rentals, and any rental cap cannot be below 25% of units, but it may ban rentals of 30 days or less. A rental prohibition that takes effect after you take title generally does not apply to you (§ 4740), and before renting you must give the association verification of your title date and the tenant's contact information.

Get landlord insurance quotes during escrow. If private carriers decline, the California FAIR Plan offers a named-peril dwelling policy for 1 to 4 unit rentals, without liability coverage. Earthquake coverage is a separate policy.

7. Taxes on the purchase

A purchase is a change in ownership, so the property is reassessed at market value, and supplemental tax bills follow that are not sent to your lender. The tax guide on holding rental property in an LLC covers the entity questions. This is general information, not legal or tax advice. Confirm the details for your situation with a California attorney or tax professional.

Frequently asked questions

What should I check before buying a rental property in San Diego?

Confirm the jurisdiction, check rent cap and just-cause coverage, get every lease and a deposit accounting, compare the rent roll with the 8.2% cap, ask for SB 721 reports on buildings of three or more units, read any HOA rental rules, and price insurance during escrow.

Is a property built in the last 15 years exempt from San Diego rent rules?

Housing with a certificate of occupancy issued within the previous 15 years is exempt from the state rent cap and from the City of San Diego Tenant Protection Ordinance. Because the window rolls forward, a building eventually becomes covered.

Do I have to honor the existing leases when I buy a rental?

Yes. Tenants with a lease generally keep it on the same terms through its end, and covered tenancies keep just-cause protection after that. You must give tenants your contact and payment information within 15 days.

Can I evict tenants after buying a San Diego rental so I can move in?

In the City of San Diego, leases entered on or after June 24, 2023 must include a clause allowing owner move-in, or the tenant must agree in writing, and relocation is owed unless the property is exempt.

Does buying a rental trigger a property tax reassessment?

Yes. A purchase is a change in ownership, so the property is reassessed to market value, and San Diego County sends supplemental bills that are not sent to your lender.

Next step: test the numbers

Before you write an offer, test the expected rent against the full costs. McKee Properties has managed San Diego rentals since 1982 and offers a free San Diego rental analysis on homes you own or are considering.