Clairemont ADU Cost & Builders — 2026

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Detached Clairemont ADU builds run $200K–$500K all-in ($380–$550/sq ft) once permits, SDC, utility hookups, and finishes are stacked. Compare costs, zoning, rental income, and pull 3 verified quotes below.

Cost range

$200K–$500K

Permit timeline

10–18 wks

Rent · 1BR

$1,800–$2,300

Rent · 2BR

$2,300–$2,900

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Clairemont ADU Costs by Build Type

Pricing is derived from the San Diego city average adjusted for Clairemont's typical cost tier (1.00× baseline).

Build type	2026 cost range	Notes
Detached new build	$200K–$500K	Stand-alone backyard unit, 600–1,000 sq ft
Attached addition	$170K–$425K	Bumped off existing structure
Garage conversion	$90K–$225K	Existing shell reused
Basement / interior	$110K–$275K	Where lot type permits

Clairemont ADU Rental Income (2026)

Average rents tracked from San Diego MLS, Zillow, and local rental data. ADUs typically command a 5–15% premium over comparable units due to newer construction.

Unit type	Monthly rent	Annual gross
1 bedroom	$1,800–$2,300	$22K–$28K/yr
2 bedroom	$2,300–$2,900	$28K–$35K/yr

Clairemont Zoning, HOA & Historic Notes

Community plan / overlay: Clairemont Mesa Community Plan
Permit considerations: Clairemont Mesa Community Plan. Standard ADU process; lot sizes commonly 7,000-9,000 sq ft so size caps rarely bind.
HOA situation: HOA-free single-family ranchers from the 1950s-60s. Large flat lots make Clairemont one of San Diego's easiest detached-ADU markets.

Always pull a property profile on your specific lot before designing — setbacks, height limits, and FAR can change parcel-by-parcel inside Clairemont.

Clairemont ADU FAQs

How much does an ADU cost in Clairemont, San Diego?

Clairemont ADUs typically run $200K–$500K all-in for a 600–1,000 sq ft detached unit in 2026. Costs trend in line with the San Diego city average due to standard local market conditions. Per square foot pricing is typically $380–$550.

Are there special permits or overlays for ADUs in Clairemont?

Clairemont Mesa Community Plan. Standard ADU process; lot sizes commonly 7,000-9,000 sq ft so size caps rarely bind. Always pull a property profile before designing — Clairemont's Clairemont Mesa Community Plan can change setback and height requirements lot-by-lot.

What can I rent a Clairemont ADU for?

As of 2026, Clairemont commands roughly $1,800–$2,300 for a 1-bedroom ADU and $2,300–$2,900 for a 2-bedroom. Rents lean higher with off-street parking, in-unit laundry, and walkability to transit or commercial corridors.

Are HOAs or historic districts an obstacle in Clairemont?

HOA-free single-family ranchers from the 1950s-60s. Large flat lots make Clairemont one of San Diego's easiest detached-ADU markets.

How do I get a quote from a verified Clairemont ADU builder?

Submit your lot details using the quote form on this page. We'll match you with up to 3 Clairemont-area builders who have completed projects within 5 miles. There's no cost or obligation, and quotes typically arrive within 48 hours.