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    Unique Geodesic Dome Office Building Title is generated by Realmo AI

    3610 Old Highway 53, Clearlake, CA 95422

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    For Sale
    $325,000

    Commercial Sale - Clearlake, CA

    Property size:
    2,800 SF
    Price / SF:
    $116/SF
    Added:
    Apr 2, 2026
    Days on Market:
    52
    Last Refresh:
    May 23 at 11:06 am

    Property Features for 3610 Old Highway 53

    General Information

    Property type
    Commercial Sale
    Property subtype
    Other
    Standard status
    Active
    APN
    039500010000
    Size
    2,800 SF

    Utilities

    Cooling system
    Central Air

    Building Details

    Year built
    1980
    Architectural style
    Other

    We can help!

    Listing Contact
    James Magliulo
    James Magliulo

    Listing agent James Magliulo License #01852966

    Listing office Country Air Properties 460 S Main ST, Lakeport, CA

    Listing date Apr 2, 2026

    MLS# LC26070676 Listing URL

    Copyright © 2026 California Regional Multiple Listing Service, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    HighLights

    • Unique Geodesic Dome Building: A distinctive property designed by Buckminster Fuller.
    • Spacious Office Space: Features 2800 sq. ft. total, including an 800 sq. ft. upper floor with bathroom, shower, office, cooking area, and storage.
    • Established Landmark: Well‑known optometry office for 30 years.
    • Convenient Location: In the heart of Clearlake, with easy access to amenities and transportation.
    • Functional Layout: Includes a reception area, multiple offices, two bathrooms, and ample storage.
    • Unique Landscaping: Stunning lava rock landscaping enhances visual appeal.

    Overview

    Located at 3610 E Hwy 53 in Clearlake, this unique Geodesic Dome Building, designed by Buckminster Fuller and constructed in 1979, offers a distinctive commercial space. An additional 1000 sq. ft. was added in 2008, bringing the total office space to 2800 square feet. The upper floor of the dome features an 800 sq. ft. area complete with a bathroom, shower, office space, cooking area, and ample storage. The downstairs area includes a second bathroom, additional offices, a reception area, and more storage space. For the past 30 years, this building has been used as an optometry office. The property features lava rock landscaping and is located in the heart of Clearlake, with convenient access to nearby stores, banks, and public transportation. This property offers a remarkable office space that stands out.
    Property Profile Location Intelligence

    Current Use by Public Records

    Dr Jack Elizares, ... Physician

    Suggested Use

    Restaurant Real Estate Agency Law Firm Building Supply Spa & Massage Center Dental Office Big Box & Wholesale Store Auto Repair Shop Hair Salon Nail Salon

    Zoning and permitted uses should be independently verified with local authorities.

    Location Insight

    • Map
    • Local Demand
    City
    Clearlake
    County
    Lake
    State
    California
    Longitude
    -122.6310977
    Latitude
    38.9600639

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    FAQs

    What type of property is this?
    Office building - Distinctive Clearlake office space with unique architectural design.
    Where is this office building located?
    The property is located at 3610 Old Highway 53 Clearlake, CA.
    What is the asking price?
    The asking price for this property is $325,000.
    What are key features of this property?
    This property features: Unique Geodesic Dome Building: A distinctive property designed by Buckminster Fuller.; Spacious Office Space: Features 2800 sq. ft. total, including an 800 sq. ft. upper floor with bathroom, shower, office, cooking area, and storage.; Established Landmark: Well‑known optometry office for 30 years.
    (707) 263-5729
    We can help!
    Listing Contact
    James Magliulo
    James Magliulo
    Real Estate License ID: 01852966
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    Realmo Value Estimations

    Realmo estimates a property’s market value using a proprietary methodology that incorporates public data and user-submitted information. This cumulative value is generated by integrating a variety of conventional and innovative methods. 

    Disclaimer

    These figures are not official appraisals and should not be used as a substitute for a valuation performed by a licensed appraiser.
    Actual market value may differ due to factors not captured in the data. Estimates are offered for informational purposes only, and users should conduct independent research before making financial or investment decisions.
    By using this feature, you acknowledge that Realmo is not responsible for actions taken based on these estimates.

    AI approach

    Realmo AI Method estimates property value using machine learning models trained on millions of comparable listings, transactions, and market signals. It analyzes property features, location intelligence data, and current market dynamics to predict the most probable market value in real time.

    Realmo CapRate Calculation

    Realmo calculates the Capitalization Rate (Cap Rate) to help estimate a property's potential return on investment. The Cap Rate is a fundamental metric in commercial real estate that measures the relationship between a property's net operating income and its market value.

    How We Calculate Cap Rate

    Cap Rate Formula:
    Cap Rate (%) = (Net Operating Income / Property Value) × 100

    Net Operating Income (NOI) Formula:
    NOI = Area × Lease Rate × (1 - Vacancy Rate) × (1 - Operating Expense Ratio)

    Components

    Net Operating Income (NOI) represents the annual income a property generates after operating expenses:

    • Area: Building square footage from property records
    • Lease Rate: Annual $/sqft based on market data for the property type and geographic location
    • Vacancy Rate: Percentage of unoccupied space based on market data for the property type and location
    • Operating Expense Ratio: Operating costs as a percentage of income, varies by property type

    Property Value is derived from:

    • Recent sale price (if available)
    • Statistical models using comparable sales
    • AI-powered valuation estimates

    Example Calculation

    For a 100,000 sqft Office Building:

    • Lease Rate: $25.00/sqft/year (market data for Office in this area)
    • Vacancy Rate: 8% (market data for Office in this area)
    • Operating Expense Ratio: 35% (typical for Office properties)
    • Property Value: $15,000,000

    Step 1: Calculate NOI

    NOI = 100,000 × $25.00 × (1 - 0.08) × (1 - 0.35)
    NOI = 100,000 × $25.00 × 0.92 × 0.65
    NOI = $1,495,000/year

    Step 2: Calculate Cap Rate

    Cap Rate = ($1,495,000 / $15,000,000) × 100
    Cap Rate = 9.97%

    Property Type Considerations

    Net Operating Income calculations vary by property type due to different operating expense ratios:

    • Office: Higher expenses (30-40%) for HVAC, utilities, maintenance
    • Retail: Moderate expenses (25-35%) for common area maintenance
    • Industrial/Warehouse: Lower expenses (15-25%) for minimal tenant services
    • Multifamily: Moderate expenses (35-45%) including property management
    • Self-Storage: Lower expenses (25-35%) due to minimal maintenance

    Market lease rates and vacancy rates are specific to each property type and geographic location, reflecting local market conditions.

    Disclaimer

    These calculations are estimates for informational purposes only and should not be used as a substitute for professional financial analysis or appraisal.

    • Cap Rate calculations depend on market data that may change over time
    • Actual operating expenses, lease rates, and vacancy rates may differ from market averages
    • Individual property conditions, lease terms, and tenant quality significantly impact actual NOI
    • Property value estimates are approximations and not official appraisals
    • Cap rates vary widely by market, property condition, and investment risk profile

    Professional Guidance Recommended: Before making any investment or financial decisions, consult with licensed appraisers, commercial real estate brokers, and financial advisors who can evaluate your specific property and circumstances.
    By using this feature, you acknowledge that Realmo is not responsible for investment decisions or actions taken based on these estimates.

    Cap approach

    Capitalization Method calculates value based on estimated net operating income (NOI) and applying a market-based capitalization rate (cap rate), we estimate what a typical investor might be willing to pay for it.

    Comparable approach

    Comparable estimate is based on recent sales of similar nearby properties, adjusted for factors like size, condition, and location.

    Relative

    Relative property class coefficient uses factors that account for typical price differences between various asset types (e.g., retail vs. industrial) to provide a more accurate market-aligned estimate.

    Geo

    Comparable Sales Method, enhanced by Geo coefficients — location-based adjustment factors that reflect differences in price levels across neighborhoods, cities, or regions ensuring a more accurate, market-sensitive valuation.

    Stat Estimate

    This method estimates value based on actual market adjusted recent (~5 years) sales of comparable properties around by location and property type.

    • Ranges - area data calculated by industry standard IQR Outlier Removal Method
    • Range-from: 75% of all similar sales ($/sqft) are above this value
    • Range-to: 75% of all similar sales ($/sqft) are below this value
    AI Estimate

    This method estimates value based on AI market estimation of comparable properties around by location and property type.

    • Ranges - area data calculated by industry standard IQR Outlier Removal Method
    • Range-from: 75% of all estimations ($/sqft) are above this value
    • Range-to: 75% of all estimations ($/sqft) are below this value
    Alternative use

    Estimate considers the property’s potential value if used for a different purpose-based on zoning, demand, and market feasibility.

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    3610 Old Highway 53, Clearlake, CA 95422
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