811 Main St, Boulder, CO 80302 Property Records

Boulder County property record for 811 Main St, Boulder, CO 80302

Property Summary

Property Type	Single Family Home
Details	1 bd · 1 ba · 565 sqft · built 1914
Lot Size	0.138 acres (6,015 sqft)
Owner	Individual Name on File
Last Sale	$315,000 (Sep 2020)
Tax Bill	$1,927 (2025)
Deeds & Mortgages	Sep 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1459-11-0-05-004`

Property Details

APN / Parcel Number

Primary APN	`1459-11-0-05-004`
Alternative APNs	`R0023833` `0023833`

Interior

Bedrooms	1 Bed
Full Baths	1 Bath
Total Rooms	2 Rooms
Stories	1 Story
Building Area	565 sqft Living Area
1st Floor Area	565 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1914
Effective Year Built	Effective 1995
Architectural Style	Ranch
Exterior Material	Logs
Construction Type	Frame
Roof Material	Asphalt
Lot Area	6,015 sqft (0.138 acres)

Exterior Amenities

Porch	Porch
Porch Area	30 sqft
Deck Area	221 sqft
Shed	1 Shed
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Heating Fuel	Electric

Location & Zoning

Account Number	R0023833
Street Address	811 MAIN ST
City	BOULDER
State	CO
Zip	80302-8763
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	H
Legal Description	LOT 6 BLK 12 GOLD HILL
Legal Range	72
Legal Township	1N
Legal Section	12
Legal Subdivision	GOLD HILL - MT
Legal Block	12
Legal Lot Number	6
Jurisdiction	BOULDER CO
Township / Civil Division	BALD MOUNTAIN
Census Block Group	2
Census Block	2030
Census Tract	13703

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic District	Within the Gold Hill Historic District listed 1989 · 38 contributing resources · NRIS 89000979

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

Source: Boulder County assessment roll, as of June 15, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on File
Mailing Address	235 SILVER CLOUD LN, BOULDER, CO 80302-9438
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Sep 11, 2020 · Amount on Record
Deed Sale	Sep 11, 2020 · Amount on Record
Prior Sale	Jan 26, 2015 · Amount on Record
Deed Document Number	20203814648
Record Updated	Sep 20, 2026

September 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Sep 11, 2020
Property Address	811 MAIN ST, BOULDER, CO 80302-8763
Document Number	0003814648
Instrument Date	Aug 28, 2020
Instrument	3814648
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	GUARDIAN TTILE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$31.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	235 SILVER CLOUD LN, BOULDER, CO 80302-9438
Investor	Possibly a Property Investor

Mortgage

Document Number	0003814649
Date	Sep 11, 2020
Instrument	3814649

Lender

Name	FLATIRONS BANK
Type	Bank

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded
Term	359 Months
Due	Aug 28, 2050

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of June 15, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$22,121 (+8.8%) Land $1,231 Building $20,890	$325,300 (-) Land $18,100 Building $307,200
2025	$1,927.00 (+25.05%)	$20,331 (-6.08%) Land $1,131 Building $19,200	$325,300 (+0.68%) Land $18,100 Building $307,200
2023	$1,541.00 (+12.48%)	$21,648 (+45.86%) Land $1,286 Building $20,362	$323,100 (+51.29%) Land $19,200 Building $303,900
2022	$1,370.00	$14,842 Land $792 Building $14,050	$213,560 Land $11,400 Building $202,160

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	7 in force
Nearby Flood Claims	3 (2013)
Claims Outside the SFHA	3 of 3
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 3 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Very High above 92% of the US · above 96% of Colorado
Wildfire Likelihood	1% annual chance
Exposure	Direct burnable vegetation at the parcel

Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.

Internet Providers

Source: FCC Broadband Data Collection, based on 59 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Starlink Satellite	280 / 30
Lumen Technologies DSL · Fiber in parts of the area	100 / 10

May also be available: AT&T, Ayva, BIF IV Intrepid HoldCo, Nedernet, Visionary Communications, Xfinity.

Cell Coverage

4G LTE (outdoors only), no 5G reported

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