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What the listing price leaves out, and where your money actually goes further.
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San Diego County is one of the most expensive housing markets in the United States, with a countywide median sale price that has run well above $900,000 in recent years and coastal submarkets far above that. Budget beyond the price: closing costs typically run 2–5% of the purchase price for a buyer, property tax bills land around 1.1–1.3% of assessed value annually once local assessments are included, and newer master-planned communities add Mello-Roos special taxes and HOA dues on top. The practical affordability line runs inland and south — East County, South Bay and parts of North County inland — while anything within a few miles of the coast carries a large premium. Always confirm current figures with a local lender and the county assessor before making decisions.
| Cost | Typical range | Notes |
|---|---|---|
| Down payment | 3–20%+ of price | Conventional loans allow less than 20% with mortgage insurance |
| Buyer closing costs | Roughly 2–5% of price | Escrow, title, lender fees, prepaid taxes and insurance |
| Property tax | ~1.1–1.3% of assessed value per year | Prop 13 base rate plus local bonds and assessments |
| Mello-Roos | $0 to several thousand per year | Common in newer master-planned communities |
| HOA dues | $0 to $600+/month | Condos and planned developments |
| Homeowners insurance | Varies widely | Wildfire risk zones cost materially more |
Price per square foot roughly tracks distance from the ocean. These are the areas buyers most often land in when the coast prices them out.
South Bay
The county's second-largest city, with newer eastern master-planned neighborhoods and older, cheaper western ones. Most of the newer east side carries Mello-Roos.
Local tip: Check the Mello-Roos line on any eastern Chula Vista listing before you fall in love with the kitchen.
East County
Meaningfully cheaper per square foot with larger lots, at the cost of a hot inland summer and a longer commute to the coast.
North County inland
More house for the money, good schools in parts of San Marcos, and a real downtown in Escondido that's improved substantially.
East of downtown
Among the closest-in places where an older single-family home is still reachable for many buyers.
North County coastal
The last coastal city in the county where beach-adjacent homes trade below the La Jolla/Del Mar/Encinitas tier — though it has climbed steeply.
Community Facilities District levies that fund infrastructure in newer developments. They appear on your property tax bill, can run into the thousands annually, and last for a defined term — often decades. They are not part of the Prop 13 base rate.
Local tip: Ask for the actual tax bill on the specific parcel, not a neighborhood estimate.
Homes in and near high fire severity zones — much of East County and inland North County — face expensive premiums and, in some cases, limited availability outside the California FAIR Plan.
After you buy, the county reassesses at your purchase price and sends a one-time supplemental bill covering the difference from the prior owner's assessment. New buyers are routinely blindsided by it.
San Diego has a lot of unpermitted additions, converted garages and casitas. An unpermitted square footage problem becomes your problem at resale.
Properties in the coastal zone face an additional permitting layer for remodels and additions that inland properties don't.
In competitive submarkets, a pre-approval that's been through underwriting is a materially stronger offer than a pre-qualification letter.
California has aggressively liberalized accessory dwelling unit rules, and San Diego has its own bonus program in some areas. A lot with ADU potential carries real value — verify with the city, not the listing agent's claim.
In a high-rate environment, sellers frequently credit toward a rate buydown rather than cutting price. Run both scenarios with your lender.
It depends on the loan, but plan for a down payment plus roughly 2–5% of the purchase price in buyer closing costs. With a countywide median sale price well above $900,000 in recent years, even a low-down-payment purchase requires substantial cash reserves.
A special tax levied by a Community Facilities District to fund infrastructure in newer developments. It appears on the property tax bill, is separate from the Prop 13 base rate, can total thousands of dollars a year, and runs for a fixed term. It's common in eastern Chula Vista and newer North County communities.
The Prop 13 base rate is 1% of assessed value, but local bonds and assessments typically bring effective bills to roughly 1.1–1.3% annually — before any Mello-Roos. Assessed value resets to your purchase price when you buy.
Generally East County (El Cajon, Santee, Spring Valley, Lemon Grove), South Bay west of I-805, and inland North County around Escondido. Price per square foot rises steadily as you move toward the coast.
After a sale, the county reassesses the property at the new purchase price and issues a one-time bill covering the difference from the previous assessment for the remainder of the tax year. It arrives separately from your regular bill and often surprises new owners.
On a pure monthly-cost basis, renting is usually cheaper in San Diego at current price and rate levels; buying wins over long horizons if you stay put and values appreciate. Run the numbers against your actual timeline rather than a rule of thumb.
What renting actually costs across the county.
Prop 13, Prop 19, Mello-Roos and your actual bill.
The full relocation guide.
Why quotes swing by thousands block to block.
Add a rentable unit: costs and timelines.
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Written and fact-checked by the Sandi Spots Editorial team — San Diego residents publishing under Sleep Coast LLC. Every place we recommend has been visited in person or verified against an official source, and no business can pay for inclusion or a higher ranking. Last updated .