Allied Gardens ADU Cost & Builders — 2026
Detached Allied Gardens ADU builds run $190K–$475K all-in ($361–$523/sq ft) once permits, SDC, utility hookups, and finishes are stacked. Compare costs, zoning, rental income, and pull 3 verified quotes below.
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Allied Gardens ADU Costs by Build Type
Pricing is derived from the San Diego city average adjusted for Allied Gardens's value cost tier (0.95× baseline).
| Build type | 2026 cost range | Notes |
|---|---|---|
| Detached new build | $190K–$475K | Stand-alone backyard unit, 600–1,000 sq ft |
| Attached addition | $162K–$404K | Bumped off existing structure |
| Garage conversion | $86K–$214K | Existing shell reused |
| Basement / interior | $105K–$261K | Where lot type permits |
Allied Gardens 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 | $1,700–$2,100 | $20K–$25K/yr |
| 2 bedroom | $2,200–$2,700 | $26K–$32K/yr |
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Allied Gardens Zoning, HOA & Historic Notes
- Community plan / overlay
- Navajo Community Plan
- Permit considerations
- Standard City of San Diego ADU process. Mostly flat lots — straightforward foundations.
- HOA situation
- Allied Gardens is HOA-free for the most part. Some 1950s tracts have CC&Rs that no longer apply post-AB 670.
Always pull a property profile on your specific lot before designing — setbacks, height limits, and FAR can change parcel-by-parcel inside Allied Gardens.
Allied Gardens ADU FAQs
How much does an ADU cost in Allied Gardens, San Diego?
Allied Gardens ADUs typically run $190K–$475K all-in for a 600–1,000 sq ft detached unit in 2026. Costs trend below the San Diego city average due to tighter lots and value-engineered finishes. Per square foot pricing is typically $380–$550.
Are there special permits or overlays for ADUs in Allied Gardens?
Standard City of San Diego ADU process. Mostly flat lots — straightforward foundations. Always pull a property profile before designing — Allied Gardens's Navajo Community Plan can change setback and height requirements lot-by-lot.
What can I rent a Allied Gardens ADU for?
As of 2026, Allied Gardens commands roughly $1,700–$2,100 for a 1-bedroom ADU and $2,200–$2,700 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 Allied Gardens?
Allied Gardens is HOA-free for the most part. Some 1950s tracts have CC&Rs that no longer apply post-AB 670.
How do I get a quote from a verified Allied Gardens ADU builder?
Submit your lot details using the quote form on this page. We'll match you with up to 3 Allied Gardens-area builders who have completed projects within 5 miles. There's no cost or obligation, and quotes typically arrive within 48 hours.
Related San Diego ADU Resources
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