For a 3,000 sq ft custom new home in the Los Angeles area, full architectural services typically run $64,000 – $181,000 — about 5%–14% of construction cost. These ranges come from the Architects List cost tool, built on Los Angeles-Long Beach-Anaheim, CA wage data from the US Bureau of Labor Statistics and construction costs from the US Census.
| Project | Architect fee | Share of construction | Construction (est.) |
|---|---|---|---|
| New custom home, 3,000 SF | $64,000 – $181,000 | 5%–14% | $833,000 – $1,745,000 |
| Whole-house renovation, 2,000 SF | $49,000 – $151,000 | 7%–22% | $333,000 – $1,163,000 |
| Addition, 600 SF | $20,000 – $59,000 | 7%–21% | $158,000 – $437,000 |
| ADU or guest house, 700 SF | $19,500 – $58,000 | 6%–18% | $175,000 – $489,000 |
| Home size | Architect fee | Design hours (approx.) |
|---|---|---|
| 2,000 sq ft | $45,000 – $128,000 | 270–750 |
| 3,000 sq ft | $64,000 – $181,000 | 380–1070 |
| 4,500 sq ft | $90,000 – $256,000 | 540–1510 |
Implied billing rate about $169/hour. Full services = design through construction administration; consultants (structural, survey, civil, energy) are extra.
For a 3,000 sq ft custom new home in the Los Angeles area, full architectural services typically run $64,000 – $181,000, about 5%–14% of construction cost. A 2,000 sq ft whole-house renovation typically runs $49,000 – $151,000. An ADU or guest house of about 700 sq ft runs $19,500 – $58,000.
Most residential architects charge a percentage of construction cost, a fixed fee broken into design phases, or hourly rates for smaller or early-stage work. Smaller projects pay a higher share of construction cost because design effort does not shrink in proportion to size.
The median architect salary in the Los Angeles-Long Beach-Anaheim, CA area is $104,170, 5% above the national median of $99,280 (BLS). Local construction costs matter as much: new single-family homes in this part of the country run a median of about $190 per sq ft (US Census).
Consultants such as structural engineers, surveyors, civil engineers and energy modelers usually bill separately, as do permit and plan-review fees charged by the building department. Ask each architect which consultants their fee includes.
Sources: US Bureau of Labor Statistics, Occupational Employment and Wage Statistics (May 2025) for Los Angeles-Long Beach-Anaheim, CA; US Census Bureau, Survey of Construction. Estimates are ranges for planning, not quotes — each architect sets their own fees.